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Diphenhydramine Uses, Dosage & Side Effects

6.20.2017 | James Laird

Diphenhydramine is an antihistamine used to treat sneezing, runny nose, itching, hives and other symptoms of allergies and the common cold. Includes.

Usual Adult Dose of Diphenhydramine for Motion Sickness:

Diphenhydramine is also used to treat motion sickness, to induce sleep, and to treat certain symptoms of Parkinson's disease.

See also: Side effects (in more detail).

pounding heartbeats or fluttering in your chest;

Greater than or equal to 6 to less than 12 years: 12.5 to 25 mg orally every 4 to 6 hours, not to exceed 150 mg/24 hours. Greater than or equal to 2 to less than 6 years: 6.25 mg orally every 4 to 6 hours, not to exceed 37.5 mg/24 hours.

Diphenhydramine Oral Uses, Side Effects, Interactions, Pictures

5.19.2017 | Brianna Miers

Find patient medical information for Diphenhydramine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user.

This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Avoid alcoholic beverages.

The dosage is based on your age, medical condition, and response to treatment. There are many brands and forms of diphenhydramine available. Read the dosing instructions carefully for each product because the amount of diphenhydramine may be different between products.


4.18.2017 | John Carrington

Diphenhydramine is an antihistamine mainly used to treat allergies. It is also used for insomnia, symptoms of the common cold, tremor in parkinsonism, and.

Procter & Gamble markets an over-the-counter formulation of diphenhydramine as a sleep-aid under the brand "ZzzQuil". In 2014, this product had annual sales of over $120 million, and had a 29.3% share of the $411 million sleep-aid market category.

The most prominent side effect is sedation. A typical dose creates driving impairment equivalent to a blood-alcohol level of 0.10 which is higher than the 0.08 limit of most drunk driving laws.

Diphenhydramine is not recommended for patients older than 60 or children under the age of six, unless a physician is consulted.

Diphenhydramine MedlinePlus Drug Information

12.26.2017 | James Laird

Diphenhydramine: learn about side effects, dosage, special precautions, and more on MedlinePlus.

When diphenhydramine is used to treat motion sickness, it is usually taken 30 minutes before departure and, if needed, before meals and at bedtime. When diphenhydramine is used for the relief of allergies, cold, and cough symptoms, it is usually taken every 4 to 6 hours. When diphenhydramine is used to treat insomnia it is taken at bedtime (30 minutes before planned sleep). When diphenhydramine is used to treat abnormal movements, it is usually taken three times a day at first and then taken 4 times a day.

Diphenhydramine, Benadryl Drug Side Effects and Dosing

11.25.2017 | Victoria Hoggarth

Explains the medication diphenhydramine (Benadryl), a drug used for the relief of nasal and non-nasal symptoms of various allergic conditions such as.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Diphenhydramine also may cause.

Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

Diphenhydramine commonly can cause:

home / allergies center / allergies a-z list / diphenhydramine index / diphenhydramine, benadryl drug monograph.

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Benadryl, Sominex, Unisom, Nytol, and several others.

Use the pill identifier tool on RxList.

What is diphenhydramine, and how does it work (mechanism of action)?

Cause of Eustachian tube dysfunction or blockage include:

Multiple Sclerosis Causes, Symptoms and Treatment.

What brand names are available for diphenhydramine?

Read more: Allergies Quiz: Test Your Medical IQ.

Canker sores are a common complaint, and are small ulcers on the inside of the mouth.