What happens if you take Benadryl without needing it?

Although online challenges may encourage it, it is not safe to take more than the recommended dosage of Benadryl. Doing so can lead to overdose and severe symptoms, including abnormal heart rhythms, hallucinations, seizures, and even death in rare cases.
Takedown request   |   View complete answer on medicalnewstoday.com


Is it OK to take Benadryl to sleep?

Although antihistamines like Benadryl will make you feel sleepy, they're not a great choice when it comes to treating insomnia. Not only can they affect your sleep quality, but they'll also become less effective very quickly, meaning you may not notice any benefits if you use them often.
Takedown request   |   View complete answer on forhims.com


Is Benadryl safe for occasional use?

The bottom line. People sometimes use antihistamines, such as diphenhydramine and doxylamine succinate, to combat insomnia. These over-the-counter medications are OK for occasional use in most people. However, they may increase the risk for dementia and Alzheimer's disease if taken long term.
Takedown request   |   View complete answer on healthline.com


When should you not take Benadryl?

Do not use diphenhydramine for longer than 2 weeks to treat sleep problems, or longer than 7 days to treat cold or allergy symptoms. This medicine can affect the results of allergy skin tests. Tell any doctor who treats you that you are using diphenhydramine.
Takedown request   |   View complete answer on everydayhealth.com


What does Benadryl do to the body?

This medication works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Its drying effects on such symptoms as watery eyes and runny nose are caused by blocking another natural substance made by your body (acetylcholine).
Takedown request   |   View complete answer on webmd.com


Why doctors are advising against Benadryl



Is Benadryl good for anxiety?

Advantages. One of the biggest advantages of using an OTC medication such as Benadryl to treat anxiety is that it is fast-acting and convenient. These qualities can be helpful if you need to reduce symptoms of mild anxiety quickly. Because Benadryl causes many people to feel drowsy, it can also help with sleep.
Takedown request   |   View complete answer on verywellmind.com


Is it harmful to take Benadryl every night?

Is it safe to take diphenhydramine every night? You should not take diphenhydramine every night. While it may be helpful during limited periods of insomnia, your body will build up a tolerance for the medication over time, and it will no longer have the desired effect.
Takedown request   |   View complete answer on drugs.com


Can Benadryl make you sleepy?

First-generation antihistamines such as diphenhydramine (Benadryl®) usually cause drowsiness because they are less likely to affect the histamine produced in the brain or have other unwanted effects in the brain.
Takedown request   |   View complete answer on allergyasthmanetwork.org


How quickly does Benadryl make you sleepy?

If you're taking diphenhydramine for short-term sleep problems, it will start to make you feel drowsy around 20 to 30 minutes after you take it. For coughs and colds, your symptoms will normally start to improve within 20 minutes.
Takedown request   |   View complete answer on nhs.uk


Can Benadryl cause anxiety?

Takeaway. One of the most common side effects of Benadryl is drowsiness. However, some people may find that taking Benadryl causes them to feel: anxious.
Takedown request   |   View complete answer on healthline.com


Does Benadryl 25 mg make you sleepy?

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 pharmacist promptly.
Takedown request   |   View complete answer on rxlist.com


What is the Tik Tok Benadryl challenge?

Physicians should be aware of the TikTok Benadryl challenge, a social media trend in which teens are encouraged to ingest higher than recommended doses of the over-the-counter allergy medicine diphenhydramine (Benadryl) in order to achieve a “high.” Teens may perceive the over-the-counter drug to be relatively safe, ...
Takedown request   |   View complete answer on bcmj.org


Does Benadryl make you gain weight?

Histamine also acts as a neurotransmitter in our brains playing a key role in wakefulness and preventing sleep, which is why Benadryl (an anti-histamine) makes you sleepy. This effect may actually one of the reasons why anti-histamines can result in weight gain.
Takedown request   |   View complete answer on obesitymedicine.org


Can Benadryl keep you awake?

Answer: Most people find that diphenhydramine (DPH), the ingredient in Benadryl and PM pain relievers, makes them drowsy. But some individuals, like you, react paradoxically to DPH and are stimulated by this normally sedating antihistamine.
Takedown request   |   View complete answer on journalnow.com


Does Benadryl raise heart rate?

Benadryl can increase your heart rate and may cause more serious heart-related side effects, such as heart rhythm problems. If you already have heart disease, taking Benadryl can make your condition worse. Talk with your doctor about whether it's safe for you to take Benadryl. Liver problems.
Takedown request   |   View complete answer on healthline.com


How much Benadryl is fatal for adults?

Death may occur within 2 hours of overdose, with a fatal dose for children estimated to be 500 mg and for adults 20 to 40 mg/kg.
Takedown request   |   View complete answer on sciencedirect.com


How long do Benadryl side effects last?

Benadryl is quickly absorbed after oral administration and peak effects are reached within one hour. The effects of diphenhydramine last from four to six hours.
Takedown request   |   View complete answer on drugs.com


Can Benadryl cause depression?

Depression. Depression isn't a side effect that typically happens in people who take Benadryl. If you have symptoms of depression while taking Benadryl, talk with your doctor. Your doctor may want to evaluate your symptoms.
Takedown request   |   View complete answer on medicalnewstoday.com


What is the 3 3 3 rule for anxiety?

Follow the 3-3-3 rule.

Then, name three sounds you hear. Finally, move three parts of your body — your ankle, fingers, or arm. Whenever you feel your brain going 100 miles per hour, this mental trick can help center your mind, bringing you back to the present moment, Chansky says.
Takedown request   |   View complete answer on adultmentalhealth.org


Is Benadryl like Xanax?

However, OTC antihistamines (i.e., Benadryl/diphenhydramine) have been recommended as a short-term solution for anxiety symptoms. While there is likely not any harm in taking an occasional OTC antihistamine as an over-the-counter Xanax alternative, the sedating side effects are not ideal for regular use.
Takedown request   |   View complete answer on thewoodsatparkside.com


Can Benadryl cause panic attacks?

Antihistamines

Antihistamines are known to cause extreme drowsiness; however, in certain people, they can cause insomnia, excitability, anxiety, restlessness, and a rapid heart rate.
Takedown request   |   View complete answer on ercare24.com


Can you get drugged with Benadryl?

The most commonly referenced date-rape drugs may be rohypnol and GBH. However, when benadryl, gravol or sleep aids are mixed with alcohol, the victim can become disoriented and even unconscious.
Takedown request   |   View complete answer on ahchealthenews.com


Can you buy Benadryl under 18?

Jan 11, 2020 · There is no age limit to buy Legal Age To Buy Benadryl Benadryl DIPHENHYDRAMINE (Brand Name: Benadryl) For infants 6 months or older only** Benadryl is an antihistamine, so it can be used for allergic reactions and allergies Following factors affect the dosage of the Benadryl Sep 14, Legal Age To Buy ...
Takedown request   |   View complete answer on folkschool.org


Can Benadryl make you psychotic?

From the Department of Psychiatry, University Hospitals of Cleveland. A patient who had taken an overdose of diphenhydramine hydrochloride showed schizophrenia-like behavior initially which changed to include features of an acute brain syndrome.
Takedown request   |   View complete answer on jamanetwork.com
Previous question
What is synthetic camphor?