Why can't some people take Benadryl?

09-24-2020 FDA Drug Safety Communication

The U.S. Food and Drug Administration (FDA) is warning that taking higher than recommended doses of the common over-the-counter (OTC) allergy medicine diphenhydramine (Benadryl) can lead to serious heart problems, seizures, coma, or even death.

Why is Benadryl not suitable for over 65s?

Because age-related changes occur in the cholinergic system, there is concern that strong anticholinergic effects may lead to a decline in cognitive function or even precipitate delirium in older adults. Diphenhydramine can have significant cognitive and performance-related adverse effects even in younger patients.

Why should elderly not take Benadryl?

Benadryl (diphenhydramine) and hydroxyzine are common examples of anticholinergic medications that are not cleared as well from the system in older people. This can lead to confusion, dry mouth, and constipation.

Can you take Benadryl if you take blood pressure medicine?

Answer. According to the drug interaction checker, Benadryl can increase the effects of diltiazem, which could cause your blood pressure to drop too much. It advises close monitoring of blood pressure if they are taken together. Ideally, I would say to check with your doctor before taking the Benadryl.

Why doctors are advising against Benadryl

Does Benadryl interact with any other medications?

A total of 413 drugs are known to interact with Benadryl (diphenhydramine), categorized as 12 major, 399 moderate, and 2 minor interactions.

Does Benadryl raise BP?

Official Answer. Increased blood pressure is not a typical side effect of diphenhydramine, a first-generation antihistamine that lowers the effects of histamines in your body. However, in rare cases, the drug may cause hypotension, or decreased blood pressure.

What is the safest antihistamine for seniors?

Loratadine, cetrizine, and fexofenadine all have excellent safety records. Their cardiovascular safety has been demonstrated in drug-interaction studies, elevated-dose studies, and clinical trials. These three antihistamines have also been shown safe in special populations, including pediatric and elderly patients.

Can Benadryl cause low blood pressure?

Benadryl may cause a drop in blood pressure which may cause symptoms such as dizziness and increase your risk of falls.

Can you take antihistamines if you have high blood pressure?

Antihistamines are the most common medication for allergies. Most of them seem to be safe if you have high blood pressure -- but again, ask to make sure. Don't take decongestants unless your doctor tells you otherwise. They may raise your blood pressure.

At what age should you not take Benadryl?

Benadryl is not usually safe for infants under 2 years. People should not give cough and cold products, particularly those containing diphenhydramine, to infants or very young children.

What is the safest sleep aid for seniors?

In the elderly, nonbenzodiazepines such as zolpidem, eszopiclone, zaleplon, and ramelteon are safer and better tolerated than tricyclic antidepressants, antihistamines, and benzodiazepines. Pharmacotherapy should be recommended only after sleep hygiene is addressed, however.

Can Benadryl lead to dementia?

Common anticholinergic drugs like Benadryl linked to increased dementia risk. A report published in JAMA Internal Medicine several years ago highlighted a link between long-term use of anticholinergic medications like Benadryl and dementia.

Can Benadryl make anxiety worse?

Most people experience side effects of drowsiness and sedation on Benadryl. For some people, Benadryl can have the opposite effect. Instead of feeling sleepy, you may experience excitation and agitation, which might make anxiety symptoms feel worse.

Can you take Benadryl if you have Covid?

BENADRYL^® products are only indicated to treat allergy symptoms, they are not symptomatic treatments for infectious diseases such as COVID-19.

Is Benadryl good for anxiety?

Benadryl is not intended for long-term use, and while it may reduce anxiety symptoms in some individuals, the risks outweigh the benefits. Although it might provide temporary sleepiness, these effects don't last with regular use.

Why does Benadryl make my heart race?

A decongestant eases congestion by constricting the blood vessels in your nasal passages. This dries up nasal mucus. But these medications can also abnormally stimulate the heart and blood vessels throughout the body. “This can cause an increase in blood pressure and heart rate, or skipped beats.

What does Benadryl do to your heart?

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.

Can heart patients take Benadryl?

Antihistamines, which are commonly used to treat symptoms such as a runny nose or sneezing, are generally safe for patients with abnormal heart conditions. However, the FDA has warned that antihistamines taken in conjunction with some high blood pressure medications may cause a spike in blood pressure.

Can Over 65s take antihistamines?

Medications generally well tolerated by the elderly are second generation antihistamines, intra-nasal anti-inflammatory agents, leukotriene modifiers and iprapropium nasal spray. Rhinitis is a common and bothersome condition in the elderly.

Is Zyrtec safer than Benadryl?

The CSACI says that the newer antihistamines are safer, less-sedating, and more effective. They state that Benadryl is associated with significant side effects like sedation, poor sleep, and motor impairment, potentially leading to accidents and death, and should only be used as a last resort.

Should older people take antihistamines?

Avoid First-Generation Antihistamines

Certain antihistamines, the class of drug most commonly prescribed to treat allergies, can be dangerous for seniors.

Is Benadryl hard on your liver?

Despite widespread use over many decades, diphenhydramine has not been linked to liver test abnormalities or to clinically apparent liver injury. The reason for its safety may relate its short half-life and limited duration of use. Likelihood score: E (unlikely to be a cause of clinically apparent liver injury).

Is it OK 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.

How do you flush Benadryl out of your system?

Hydration: The more water you drink, the quicker diphenhydramine is flushed from the system. Metabolism: Everyone's body metabolizes or breaks down drugs and similar substances at a different rate. The faster your drug metabolism is, the less time diphenhydramine stays in your system.