Dear Alice, I've experimented with the abuse of Benadryl on a few occasions now and have been absolutely blown off to another world, I was just curious as to what the side affects, long or short-term, can look like, and what the dangers are of abusing this drug (acetaminophen free).Apr 9, 2020 · Diphenhydramine, brand name Benadryl ®, is one of the oldest and most frequently used over-the-counter medications for children. However, many better options are now widely available, all of which are faster acting, longer lasting, with less side effects. Antihistamines counteract the effect of histamine throughout the body, and treat a range ... Oct 9, 2018 · Many older adults may take sleeping pills because pain, nerve problems or other health issues are keeping them up at night, she says. For these people, a sleeping pill is standing in the way of ... Official answer. Diphenhydramine can be used as a short-term sleep aid to help ease occasional sleep problems. Older adults, children under age 16 and pregnant women should avoid taking diphenhydramine, as the risks to these groups may outweigh the benefits. Diphenhydramine should not be taken as a treatment for chronic insomnia. Long-Term Side Effects of Diphenhydramine Abuse. Continued diphenhydramine use can cause long-term adverse side effects that result in permanent damage. Not only will prolonged use cause harm, but it can lead to other aspects such as dependence on the medication. Common long-term side effects of prolonged diphenhydramine use include: Dependence. Apr 6, 2023 · Dizziness. Feeling nervous and excitable. Not able to sleep. Feeling sleepy. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https ... May 8, 2019 · Answer. While Benadryl ( diphenhydramine) can safely be used once in a while as a sleep aid, long-term use is not recommended for multiple reasons. Even the intermittent use of Benadryl for sleep isn't generally recommended if you are elderly (over 65). Studies show that the elderly population doesn't metabolize Benadryl as quickly and are far ... Effects of Long-Term Diphenhydramine Use The information regarding the effects of prolonged Benadryl use is once again not known, as prospective studies analyzing its prolonged use do not exist. There are some exceptions to the above statement, however, the following are related to the long-term use of any antihistamine medication and ...It can sometimes cause a decrease in memory, confusion, and thinking issues. These side effects are more common in elders. In addition, taking Benadryl long-term might increase the risk of dementia. People aged> 65 who took medications such as Benadryl daily for over three years had an increased risk of dementia.• Common side effects of montelukast include upper respiratory infection, fever, headache, sore throat, cough, stomach pain, diarrhea, earache or ear infection, flu, runny nose, and sinus infection. Yes, certain side effects are possible after using Benadryl long term. For example, long-term use of Benadryl may cause: an increased risk of dementia; withdrawal symptoms after the drug is stopped* However, keep in mind that doctors typically don’t recommend taking Benadryl as a long-term treatment.The symptoms you have noticed are very likely the result of long-term heavy antihistamine use. Antihistamines tend to dry up the nose, which is why they are so effective in humans with allergic rhinitis, but the way they do that is by making the secretions thicker. In dogs, we are not worried much about a runny nose, but we are concerned about ...Diphenhydramine (Benadryl) is a common over-the-counter allergy medication. It’s part of a class of drugs called anticholinergics that research has linked to dementia in older people.May 25, 2023 · Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes. Not able to pass urine or change in how much urine is passed. A very bad skin reaction ( Stevens-Johnson syndrome / toxic epidermal necrolysis) may happen. Applies to diphenhydramine: compounding powder, injectable solution, oral capsule, oral disintegrating strip, oral liquid, oral tablet, oral tablet chewable, oral tablet disintegrating. General The most commonly reported side effects included somnolence, dizziness, and incoordination.Potential Kidney Risks. Yes, long-term use of Benadryl can put strain on the kidneys, as it can build up in the system. This can cause toxicity and potentially lead to kidney damage. It's important to be aware of the potential side effects of long-term use and to consult a doctor if any symptoms arise.Nov 14, 2022 · A 2017 study revealed that 10% of adults aged 18-45 use OTC sleep aids while 17.5% of people 65 years and older do. Most over-the-counter options are considered safe when used occasionally—as long as the medication is compatible with any medical conditions you have and other medications you take. But when taken night after night, trouble can ... Jan 6, 2023 · Diphenhydramine is a common ingredient in sleeping aids; it is also used to treat allergies. While effective, the risk of serious diphenhydramine side effects—including confusion, dizziness, urinary retention, and liver or kidney issues—is increased in people age 65 and older. Long-term use of Benadryl can also lead to constipation and confusion. Interactions. Benadryl containing diphenhydramine can interact with alcohol as both are central nervous system (CNS) depressants. Side effects such as drowsiness and dizziness may be enhanced when taking alcohol with diphenhydramine. While it may work to help you fall asleep for a few days, long-term use of Benadryl as a sleep-aid likely isn't effective and is associated with several side effects like next-day drowsiness. Additionally, the long-term use of drugs like Benadryl in those 65 years old and over is linked with an increased risk of dementia.Dizziness. Feeling nervous and excitable. Not able to sleep. Feeling sleepy. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https ...Jun 14, 2023 · The symptoms you have noticed are very likely the result of long-term heavy antihistamine use. Antihistamines tend to dry up the nose, which is why they are so effective in humans with allergic rhinitis, but the way they do that is by making the secretions thicker. In dogs, we are not worried much about a runny nose, but we are concerned about ... While there are cases of misuse and abuse, withdrawal symptoms from Benadryl are rare, even with long term use. Nevertheless, Benadryl has strong anticholinergic effects, and there have been reports of 'anticholinergic withdrawal' in some individuals taking Benadryl for extended periods of time. Potential symptoms include:Oct 3, 2022 · Adults and children ≥12 years of age receiving conventional or orally disintegrating tablets: Headache, somnolence, fatigue, dry mouth. Fixed combination loratadine (the active ingredient contained in Claritin) pseudoephedrine sulfate preparations: Insomnia, dry mouth, headache, somnolence, nervousness, dizziness, fatigue. hoarseness. lack or loss of strength. pain in the lower back or side. swelling of the hands, feet, or lower legs. trembling or shaking. Common side effects that do require medical attention ...Taking an over-the-counter sleep aid with diphenhydramine once in a while is generally not going to cause problems, other than a possible hangover the next day. Older people, however, can get confused when taking diphenhydramine because it also blocks a brain chemical called acetylcholine, which plays a big role in attention and short-term memory.Besides having side effects including drowsiness, confusion, and urinary retention, a new study shows that frequent, long-term use of older antihistamines are associated with an increased risk of ...Benadryl can cause some children to be hyperactive. OTC cough and cold medicine should not be given to children under the age of 4. Research has shown that these products do not work in children younger than 6 years old and can have serious side effects.• Common side effects of montelukast include upper respiratory infection, fever, headache, sore throat, cough, stomach pain, diarrhea, earache or ear infection, flu, runny nose, and sinus infection.January 19, 2022. By Harvard Health Publishing Staff. A report published in JAMA Internal Medicine several years ago highlighted a link between long-term use of anticholinergic medications like Benadryl and dementia. While this study and other observational studies have also found this association, it doesn't prove that these drugs cause dementia.Experts say skip antihistamines. Dana Benson. 713-798-8267. Houston, TX - Jun 28, 2021. Share this article. For people who take an antihistamine such as Benadryl for a cold or allergies, drowsiness is often a welcome side effect. But a Baylor College of Medicine sleep expert cautions against turning to this type of medication as a sleep aid.Jul 7, 2022 · Advertisement constipation. blurred vision. memory problems and dementia (especially in seniors) anxiety. dependence. What are the side effects of taking Benadryl every night? SIDE EFFECTS: Drowsiness, dizziness, constipation, stomach upset, blurred vision, or dry mouth/nose/throat may occur. If any of these effects persist or worsen, tell your doctor or pharmacistRead More → Sep 4, 2023 · Impaired concentration. Memory difficulties. Anxiety. Stomach disturbances. Nausea and vomiting. A dry mouth. Constipation. Liver problems, etc. In certain people, a paradoxical reaction to diphenhydramine is possible, meaning that the drug causes different symptoms than the intended ones. Some dosage forms listed on this page may not apply to the brand name Benadryl Allergy. Summary. More frequent side effects include: sedated state and thickening of bronchial secretions. Continue reading for a comprehensive list of adverse effects. Applies to diphenhydramine: oral capsules and tablets, parenteral injection. Side effects include:Jan 24, 2018 · Taking an over-the-counter sleep aid with diphenhydramine once in a while is generally not going to cause problems, other than a possible hangover the next day. Older people, however, can get confused when taking diphenhydramine because it also blocks a brain chemical called acetylcholine, which plays a big role in attention and short-term memory. There is evidence that the use of diphenhydramine among older adults or the elderly may result in serious side effects. This holds true esp. if you are older than age 65. The older a person becomes, the greater the risk of adverse effects. Benadryl is listed as potentially Inappropriate Medication in Older Adults ( also known as Beers criteria)Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes. Not able to pass urine or change in how much urine is passed. A very bad skin reaction ( Stevens-Johnson syndrome / toxic epidermal necrolysis) may happen.Diphenhydramine is a type of medicine called an antihistamine. It is used in some allergy and sleep medicines. Overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose. This article is for information only. DO NOT use it to treat or manage an actual overdose.You may take an antihistamine every day to keep long-term allergy symptoms under control. Types of antihistamines. Second-generation antihistamine. If you take an antihistamine frequently or daily, your health care provider may recommend a second-generation antihistamine as they are less likely to cause side effects like sleepiness and fatigue ...Long-Term Side Effects of Diphenhydramine Abuse. Continued diphenhydramine use can cause long-term adverse side effects that result in permanent damage. Not only will prolonged use cause harm, but it can lead to other aspects such as dependence on the medication. Common long-term side effects of prolonged diphenhydramine use include: Dependence. Diphenhydramine blocks the effects of histamine in your brain and this reduces symptoms. It enters the brain in large quantities and this can make you feel drowsy. Diphenhydramine also blocks the effects of another chemical called acetylcholine. This can help a cough or runny nose but can also cause side effects such as a dry mouth and dry nose.Jul 5, 2023 · Benadryl is an antihistamine that can be used to treat allergic reactions, relieve motion sickness, as a sleep aid, and relieve some symptoms of Parkinson's disease. Sedation is a common side effect. 5. Tips. Benadryl may be taken with or without food. Take exactly as directed. Diphenhydramine blocks the effects of histamine in your brain and this reduces symptoms. It enters the brain in large quantities and this can make you feel drowsy. Diphenhydramine also blocks the effects of another chemical called acetylcholine. This can help a cough or runny nose but can also cause side effects such as a dry mouth and dry nose. Apr 8, 2022 · People who take too much Benadryl start to experience many of the medication’s side effects. These can include mild symptoms, such as dry mouth, constipation, and tiredness. Usually, the more Benadryl a person takes, the worse these side effects become. In more severe Benadryl overdose cases, symptoms like seizures, irregular heartbeats, and ... Dec 1, 2022 · Section snippets Sedation. The sedation associated with diphenhydramine is one of the most acknowledged effects of this medication. Indeed, it is frequently used as a medication to treat insomnia. 3 The sedative effect of diphenhydramine is related to its easy penetration of the blood-brain barrier. 4 In the brain, diphenhydramine interferes with H 1 receptors, which causes drowsiness and ... When corrected based on the number of drugs with anticholinergic effects an individual was taking, the odds ratio for cognitive impairment was 1.46 with a p value of .0181. However, overall the authors conclude that their data did not support the hypothesis that the use of anticholinergic medications increased the risk of alzheimer’s dementia ...Benadryl dosage for dogs. The correct dosage of diphenhydramine for dogs depends on their weight. A small dog will need much less than a big dog to receive the same positive effects. According to ...Adults and children ≥12 years of age receiving conventional or orally disintegrating tablets: Headache, somnolence, fatigue, dry mouth. Fixed combination loratadine (the active ingredient contained in Claritin) pseudoephedrine sulfate preparations: Insomnia, dry mouth, headache, somnolence, nervousness, dizziness, fatigue.Diphenhydramine or : Benadryl (diphenhydramine) may cause sedation the next day (due to its long half-life), decreased alertness, diminished cognitive function, delirium, ... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help. 5k views Reviewed >2 years ago. Potential Kidney Risks. Yes, long-term use of Benadryl can put strain on the kidneys, as it can build up in the system. This can cause toxicity and potentially lead to kidney damage. It's important to be aware of the potential side effects of long-term use and to consult a doctor if any symptoms arise.Applies to diphenhydramine: compounding powder, injectable solution, oral capsule, oral disintegrating strip, oral liquid, oral tablet, oral tablet chewable, oral tablet disintegrating. General The most commonly reported side effects included somnolence, dizziness, and incoordination.Jan 24, 2018 · Taking an over-the-counter sleep aid with diphenhydramine once in a while is generally not going to cause problems, other than a possible hangover the next day. Older people, however, can get confused when taking diphenhydramine because it also blocks a brain chemical called acetylcholine, which plays a big role in attention and short-term memory. Apr 11, 2018 · Benadryl is a first-generation antihistamine, meaning it is one of the earlier drugs developed in this category of medications. First-generation antihistamines, like Benadryl, are often noted for their sedative side effects as they have the ability to travel to your brain (i.e. crosses the blood-brain barrier), which is why they can make you ... Oct 3, 2022 · Adults and children ≥12 years of age receiving conventional or orally disintegrating tablets: Headache, somnolence, fatigue, dry mouth. Fixed combination loratadine (the active ingredient contained in Claritin) pseudoephedrine sulfate preparations: Insomnia, dry mouth, headache, somnolence, nervousness, dizziness, fatigue. Diphenhydramine is contraindicated in premature infants and neonates, as well as people who are breastfeeding. It is a pregnancy Category B drug. Diphenhydramine has additive effects with alcohol and other CNS depressants. Monoamine oxidase inhibitors prolong and intensify the anticholinergic effect of antihistamines. OverdoseDiphenhydramine blocks the effects of histamine in your brain and this reduces symptoms. It enters the brain in large quantities and this can make you feel drowsy. Diphenhydramine also blocks the effects of another chemical called acetylcholine. This can help a cough or runny nose but can also cause side effects such as a dry mouth and dry nose. Hives. Swelling and inflammation. Redness. Runny nose and eyes. Coughing. Sneezing. Anaphylactic reaction. One of the side effects of Benadryl is drowsiness, which can help to calm anxious dogs ...Apr 9, 2020 · Diphenhydramine, brand name Benadryl ®, is one of the oldest and most frequently used over-the-counter medications for children. However, many better options are now widely available, all of which are faster acting, longer lasting, with less side effects. Antihistamines counteract the effect of histamine throughout the body, and treat a range ... Long-term use of Benadryl can also lead to constipation and confusion. Interactions. Benadryl containing diphenhydramine can interact with alcohol as both are central nervous system (CNS) depressants. Side effects such as drowsiness and dizziness may be enhanced when taking alcohol with diphenhydramine.Apr 8, 2022 · People who take too much Benadryl start to experience many of the medication’s side effects. These can include mild symptoms, such as dry mouth, constipation, and tiredness. Usually, the more Benadryl a person takes, the worse these side effects become. In more severe Benadryl overdose cases, symptoms like seizures, irregular heartbeats, and ... Inhaled corticosteroids are often used daily as part of treatment for asthma caused or complicated by reactions to airborne allergy triggers (allergens). Side effects are generally minor and can include mouth and throat irritation and oral yeast infections. Some inhalers combine corticosteroids with long-acting bronchodilators.Aug 1, 2023 · skin rash. swollen joints. stomach discomfort, upset or pain. tender swollen glands in neck. tremor. unusual excitement, nervousness, restlessness, or irritability. vomiting. Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Diphenhydramine or : Benadryl (diphenhydramine) may cause sedation the next day (due to its long half-life), decreased alertness, diminished cognitive function, delirium, ... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help. 5k views Reviewed >2 years ago.Side effects of antihistamines that make you drowsy can include: sleepiness (drowsiness) and reduced co-ordination, reaction speed and judgement – do not drive or use machinery after taking these antihistamines. dry mouth. blurred vision. difficulty peeing. Side effects of non-drowsy antihistamines can include: headache. Yes, certain side effects may be possible with long-term use of Benadryl. However, doctors usually don’t recommend Benadryl for long-term use. Instead, they typically advise short-term use of the drug to ease certain symptoms. The drug’s label information* for Benadryl does not specify any long-term side effects for this drug.Jun 15, 2016 · IV administration of 50 mg of DPH resulted in immediate improvement of tremor, rigidity, tachycardia, and eye versions. The patient was started on oral DPH 50 mg 4 times a day and the dose was reduced by 25% every 3 days. Oral clonidine 0.1 mg 3 times a day and a weekly 0.1 mg transdermal patch was added to mitigate sympathetic side effects. Uses Diphenhydramine is an antihistamine used to relieve symptoms of allergy, hay fever, and the common cold. These symptoms include rash, itching, watery eyes, itchy eyes /nose/throat, cough,... Addiction and Misuse. Another cause of overdose is an addiction to Diphenhydramine. Patients can become addicted to Benadryl after taking it for an extended period or when it is used for recreational purposes. Side effects of Diphenhydramine overdose often cause long-term damage, which can be fatal to patients ingesting it.Nov 24, 2022 · But it has quite a long list of possible side effects. In fact, the Canadian Society of Allergy and Clinical Immunology has given serious warnings about them, even for people. The organization issued a 2019 position statement about Benadryl. They advised against the drug because of the high risk of side effects and overdose. They said the drug ... The main long-term side effects of Plaquenil are eye-related. ... To manage your symptoms, they may suggest an over-the-counter antihistamine you take by mouth, such as Benadryl (diphenhydramine ...Effects of Long-Term Diphenhydramine Use The information regarding the effects of prolonged Benadryl use is once again not known, as prospective studies analyzing its prolonged use do not exist. There are some exceptions to the above statement, however, the following are related to the long-term use of any antihistamine medication and ...Diphenhydramine is a common ingredient in sleeping aids; it is also used to treat allergies. While effective, the risk of serious diphenhydramine side effects—including confusion, dizziness, urinary retention, and liver or kidney issues—is increased in people age 65 and older.In the drug realm, antihistamines such as diphenhydramine (Benadryl), chlorpheniramine (Chlor-Trimeton), cetirizine (Zyrtec), and loratadine (Claritin) can help with a stuffy nose are safe for the heart. Nasal sprays deliver a decongestant right where you need it. In theory, this should minimize cardiovascular effects.Apr 9, 2020 · Diphenhydramine, brand name Benadryl ®, is one of the oldest and most frequently used over-the-counter medications for children. However, many better options are now widely available, all of which are faster acting, longer lasting, with less side effects. Antihistamines counteract the effect of histamine throughout the body, and treat a range ... • Common side effects of montelukast include upper respiratory infection, fever, headache, sore throat, cough, stomach pain, diarrhea, earache or ear infection, flu, runny nose, and sinus infection.• Common side effects of montelukast include upper respiratory infection, fever, headache, sore throat, cough, stomach pain, diarrhea, earache or ear infection, flu, runny nose, and sinus infection.May 17, 2019 · Diphenhydramine, which is the active ingredient in ZzzQuil, can cause side effects in some people. The most common side effects of diphenhydramine include: drowsiness. dizziness. loss of ... Benadryl may cause blurred vision and may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly. Drinking alcohol can increase certain side effects of diphenhydramine. Ask a doctor or pharmacist before using any other cold, cough, allergy, or sleep medicine.Benadryl dosage for dogs. The correct dosage of diphenhydramine for dogs depends on their weight. A small dog will need much less than a big dog to receive the same positive effects. According to ...feeling of warmth, redness of the face, neck, arms and occasionally, upper chest. large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs. shortness of breath, difficult or labored breathing. Some side effects may occur that usually do not need medical attention.Yeah, look at r/dph.Datura is even worse. It's like dph, but way more likely to kill you or make you go blind. Shadow people and spiders and having full conversations with people who don't exist usually only happens in the 400+ category. Between 150mg and there, it's usually just having to piss but being unable to, dysphoria/fear, beWhile it may work to help you fall asleep for a few days, long-term use of Benadryl as a sleep-aid likely isn't effective and is associated with several side effects like next-day drowsiness. Additionally, the long-term use of drugs like Benadryl in those 65 years old and over is linked with an increased risk of dementia.
May 7, 2021 · There is evidence that the use of diphenhydramine among older adults or the elderly may result in serious side effects. This holds true esp. if you are older than age 65. The older a person becomes, the greater the risk of adverse effects. Benadryl is listed as potentially Inappropriate Medication in Older Adults ( also known as Beers criteria) . Ghsa softball rankings 2022 2023
Common Benadryl (diphenhydramine) side effects include drowsiness, dizziness, and blurry vision. Dry mouth and constipation are common, as well. Serious Benadryl side effects include a greater risk of falls — especially if you are an older adult — and potential long-term memory problems.Long-term use of Benadryl can also lead to constipation and confusion. Interactions. Benadryl containing diphenhydramine can interact with alcohol as both are central nervous system (CNS) depressants. Side effects such as drowsiness and dizziness may be enhanced when taking alcohol with diphenhydramine. Overdosing on diphenhydramine (Benadryl) can also lead to more serious side effects like severe confusion, seizures, low blood pressure, involuntary muscle spasms, hallucinations (seeing things that aren't there), and heart rhythm problems. In fact, the FDA released a warning to avoid high doses of diphenhydramine.The most common side effect is drowsiness, causing mild disorientation or dementia. An elderly person may fall asleep during normal activities. This sedating effect can cause unsteadiness. A person over 60 should get up slowly from a sitting or prone position to avoid fainting. If you take an anti-anxiety drug, it is not advisable to use ...Examples of Viagra’s more commonly reported side effects include: headache. flushing (temporary warmth, redness, or deepening of skin color) stuffy nose. indigestion (upset stomach) mild vision ...Answer (1 of 2): Here is one long term study: “These drugs are called anticholinergics, among them the first-generation antihistamines that are now marketed as sleep aids.Diphenhydramine or : Benadryl (diphenhydramine) may cause sedation the next day (due to its long half-life), decreased alertness, diminished cognitive function, delirium, ... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help. 5k views Reviewed >2 years ago.“Atarax (hydroxyzine) and Benadryl (diphenhydramine) were routinely administered in the chemotherapy I received for breast cancer. After 5 months of chemo, I attributed my loss of mental function to a condition I read about called “chemo brain” — and chalked it up as another price paid in side affects for the benefit of staying alive.feeling of warmth, redness of the face, neck, arms and occasionally, upper chest. large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs. shortness of breath, difficult or labored breathing. Some side effects may occur that usually do not need medical attention.skin rash. swollen joints. stomach discomfort, upset or pain. tender swollen glands in neck. tremor. unusual excitement, nervousness, restlessness, or irritability. vomiting. Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.Diphenhydramine or : Benadryl (diphenhydramine) may cause sedation the next day (due to its long half-life), decreased alertness, diminished cognitive function, delirium, ... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help. 5k views Reviewed >2 years ago.hoarseness. lack or loss of strength. pain in the lower back or side. swelling of the hands, feet, or lower legs. trembling or shaking. Common side effects that do require medical attention ...May 19, 2022 · Yes, certain side effects are possible after using Benadryl long term. For example, long-term use of Benadryl may cause: an increased risk of dementia; withdrawal symptoms after the drug is stopped* However, keep in mind that doctors typically don’t recommend taking Benadryl as a long-term treatment. Benadryl is an antihistamine that can be used to treat allergic reactions, relieve motion sickness, as a sleep aid, and relieve some symptoms of Parkinson's disease. Sedation is a common side effect. 5. Tips. Benadryl may be taken with or without food. Take exactly as directed.Oct 6, 2015 · Caution should be exercised for long-term use of Benadryl (diphenhydramine), an antihistamine and a non-benzodiazepine sedative-hypnotic, because of the association of increased risk for dementia. Jul 5, 2023 · Benadryl is an antihistamine that can be used to treat allergic reactions, relieve motion sickness, as a sleep aid, and relieve some symptoms of Parkinson's disease. Sedation is a common side effect. 5. Tips. Benadryl may be taken with or without food. Take exactly as directed. Nov 15, 2017 · Asthma. Car Sickness. Insomnia. Motion sickness. Reactions to Vaccines. Because one of the common side effect of Benadryl in dogs is drowsiness, your vet may use it to alleviate dog anxiety, particularly associated with traveling and motion sickness that may occur during plane rides or car trips. Sep 4, 2023 · Impaired concentration. Memory difficulties. Anxiety. Stomach disturbances. Nausea and vomiting. A dry mouth. Constipation. Liver problems, etc. In certain people, a paradoxical reaction to diphenhydramine is possible, meaning that the drug causes different symptoms than the intended ones. The Major Antihistamine Effects of Diphenhydramine Prevents Histamine-Mediated: constriction of respiratory smooth muscle. rapid vasodilation in blood vessels. increased capillary permeability and subsequent edema. sensations of itching, pain, and “flare” formation. increase in heart rate and strength of contraction.Benadryl and Depression. Although there is no direct effect of Benadryl on depression, regular and daily use of Benadryl does result in severe depression in the individual. It is believed to be helpful only for the short term, however, long term use of Benadryl results in certain depressive symptoms in the individual.feeling of warmth, redness of the face, neck, arms and occasionally, upper chest. large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs. shortness of breath, difficult or labored breathing. Some side effects may occur that usually do not need medical attention..