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Diphenhydramine Coupon - Diphenhydramine 25mg capsule

Generic Benadryl, Unisom, Zzzquil, Diphenhist

Diphenhydramine is an antihistamine used to treat symptoms of seasonal allergies including sneezing, runny nose, and itching or watering eyes. It is also used as an over-the-counter sleep aid. It works by blocking the action of histamine which causes allergic symptoms; it also often causes drowsiness and sedation. Brand names include Benadryl for allergies and ZzzQuil and Unisom for sleep aids. It is available over-the-counter. The lowest GoodRx price for the most common version of diphenhydramine is around $1.95, 72% off the average retail price of $7.09. Compare antihistamines.
Diphenhydramine Coupon - Diphenhydramine 25mg capsule

Savings Alert: Diphenhydramine is available over-the-counter. You can use GoodRx coupons to save, but you will need to present a doctor’s prescription and purchase at the pharmacy counter. Learn More

Diphenhydramine Latest News

Get the latest updates on this drug from the GoodRx medical team

The 3 Most Common Causes of Drug Allergies — and How Treat Them

Benita Lee - June 20, 2018

Has your doctor ever asked if you’re allergic to any drugs? Luckily for most people, medicine allergies are not that common. But for the few who do have them, allergic reactions can be extremely dangerous. Here’s what you need to know about drug allergies before you start a new medication.

What are drug allergies?

When we talk about allergic reactions to drugs, we’re not talking about side effects. Side effects are the known common risks listed on the drug’s labeling. See More

8 Types of Medications that Can Cause Weight Gain as a Side Effect

Benita Lee - June 18, 2018

An unexpected increase in weight can be concerning for anyone. But it’s an unfortunate side effect of many common medications. Insulin, blood pressure medications, antidepressants, and even migraine medications can all cause weight gain, and some may even worsen the health conditions they’re trying to treat.

Sudden weight gain is never a reason to stop your medication without seeing your doctor first. See More

7 Medications that Cause Nightmares and Disturbing Dreams

Dr. Sharon Orrange - June 05, 2018

Antidepressants, blood pressure drugs, and allergy medicines are some of the many popular medications that can affect your dreams, and not always in a good way.

Medications that influence the neurotransmitters in our brain — those same chemicals that affect our mood and alertness — often come with the reported side effect of causing disturbing dreams and nightmares. While nightmares occur in only 1–5% of folks using these medications, here is the list of the most common offenders. See More

New Study Finds that Some Drugs May Raise Dementia Risk — as Many as 20 Years Later

Tori Marsh - May 16, 2018

Turns out, taking a certain kind of drug today is associated with an increased chance of dementia as many as 20 years from now, according to a new study.

The study looked at people who had taken anticholinergic drugs that are frequently prescribed for depression, urinary incontinence, overactive bladder, asthma, Parkinson’s disease, and allergies. People who had taken drugs from specific classes of anticholinergics had as much as a 30% greater likelihood of being diagnosed with dementia later in life. See More

Here’s What You Need To Know About Your Meds If You’re 65 Or Older

Katie Mui - February 06, 2018

As we get older, our bodies start turning on us. Our blood pressure begins to rise, joints develop arthritis, and arteries start clogging up. We end up taking more and more medications. Some 90% of people over the age of 65 take at least one medication per week, and 40% take five or more. 1 in 6 people in this age group will inevitably experience a harmful side effect of a drug they are taking regularly. See More

These 15 Medications Can Cause a False Positive on Drug Tests

Dr. Sharon Orrange - November 15, 2016

We hear “false positive” as a defense from professional athletes all the time when it comes to drug screens—but unexpected results on drug tests really do happen.

A urine drug screen tests for the presence of certain illegal drugs and prescription medications. You may be more likely to be tested when applying for a job than when playing professional sports, but you could also be affected by a false positive. See More

Allergy Season Is In Full Bloom: How You Can Treat Your Allergies Without a Prescription

Roni Shye - July 15, 2015

With all the flowers and trees blooming this spring and summer, seasonal allergies are at their peak as well. Whether you experience allergic symptoms every year around this time, or if this is your first year, you already know they can be quite a nuisance!

Trees, weeds, grasses, or blooming flowers can release pollen into the air, which in turn can cause hay fever. Hay fever or allergic rhinitis are fancy terms for your typical seasonal allergy symptoms. See More

Dry Mouth: Are Your Medications to Blame?

Dr. Sharon Orrange - May 19, 2015

Dry mouth isn’t just an annoyance, it can lead to serious dental issues. Xerostomia is the medical term for dry mouth and when it happens, you’ll want to know what’s causing it.

Risk factors for dry mouth include medications, mouth breathing, older age, and a history of radiation therapy in cancer patients. Medical conditions that contribute to dry mouth include Sjögren’s syndrome, diabetes, and anxiety disorders, and these can be easily ruled out by your doctor. See More

Is Your Medication Making You Tired?

Dr. Sharon Orrange - June 10, 2014

One in ten visits to a primary care doctor is for fatigue. While certainly not the only cause, your medications can be the culprit for making you sleepy. Here are the players you need to know about.

Beta blockers. These are medications used for high blood pressure, migraine prevention, control of heart rate in atrial fibrillation, and they improve mortality after heart attack. Ok, now for the downside. They can make you sleepy. See More

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