home > drugs a-z list > benadryl (diphenhydramine) drug center > benadryl (diphenhydramine) drug

Recommended Topic Related To:

Benadryl

Scabies facts

  • Scabies is an itchy, highly contagious skin condition caused by an infestation by the itch mite Sarcoptes scabiei.
  • Direct skin-to-skin contact is the mode of transmission.
  • A severe and relentless itch is the predominant symptom of scabies.
  • Sexual contact is the most common form of transmission among sexually active young people, and scabies has been considered by many to be a sexually transmitted disease (STD).
  • Scabies produces a skin rash composed of small red bumps and blisters and affects specific areas of the body.
  • Treatment includes oral or topical scabicidal drugs.

What is scabies?

Scabies is an itchy, highly contagious skin disease caused by an infestation by the itch mite Sarcoptes scabiei. Mites are small eight-legged parasites (in contrast to insects, which have six legs). They are tiny, just 1/3 millimeter long, and burrow into the sk...

Benadryl

font size

BENADRYL® Allergy
(diphenhydramine)

DRUG DESCRIPTION

Benadryl® Allergy contains the histamine-blocker diphenhydramine. This product relieves: runny nose; sneezing; itchy, watery eyes; itchy throat.

Ingredient

Active ingredient
(in each capsule)
Purpose
Diphenhydramine HCl 25 mg Antihistamine

Inactive ingredients

candelilla wax, colloidal silicone dioxide, crospovidone, hypromellose, microcrystalline cellulose, polyethylene glycol, providone, pregelatinized starch, starch, stearic acid, titanium dioxide, and talc

What are the possible side effects of diphenhydramine?

Stop taking diphenhydramine and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

Other, less serious side effects may be more likely to occur. Continue to take diphenhydramine and talk to your doctor if you experience

  • sleepiness, fatigue, or dizziness;
  • headache;
  • dry mouth; or
  • difficulty urinating or an enlarged prostate.

This is not a complete list of side...

Read All Potential Side Effects and See Pictures of Benadryl »

What are the precautions when taking diphenhydramine (Benadryl)?

Before taking diphenhydramine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: breathing problems (e.g., asthma, emphysema), glaucoma, heart problems, high blood pressure, liver disease, mental/mood changes, seizures, stomach problems (e.g., ulcers, obstruction), an overactive thyroid gland, difficulty urinating (e.g., due to an enlarged prostate gland).

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...

Read All Potential Precautions of Benadryl »

* Effects seen on total nasal symptoms with Benadryl® Allergy (diphenhydramine) 50 mg 3 times daily. Use as directed.

What are the possible side effects of diphenhydramine?

Stop taking diphenhydramine and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

Other, less serious side effects may be more likely to occur. Continue to take diphenhydramine and talk to your doctor if you experience

  • sleepiness, fatigue, or dizziness;
  • headache;
  • dry mouth; or
  • difficulty urinating or an enlarged prostate.

This is not a complete list of side...

Read All Potential Side Effects and See Pictures of Benadryl »

What are the precautions when taking diphenhydramine (Benadryl)?

Before taking diphenhydramine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: breathing problems (e.g., asthma, emphysema), glaucoma, heart problems, high blood pressure, liver disease, mental/mood changes, seizures, stomach problems (e.g., ulcers, obstruction), an overactive thyroid gland, difficulty urinating (e.g., due to an enlarged prostate gland).

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...

Read All Potential Precautions of Benadryl »

Last reviewed on RxList: 11/13/2007
This monograph has been modified to include the generic and brand name in many instances.

Benadryl - User Reviews

Benadryl User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Benadryl sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

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.


Allergies & Asthma

Improve treatments & prevent attacks.