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Benadryl

Last reviewed on RxList: 3/10/2017
Drug Description

BENADRYL® Allergy
(diphenhydramine) Tablets

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

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

For Consumers

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 effects and others may occur. Call your doctor for medical advice about...

Indications & Dosage

INDICATIONS

Benadryl® Allergy (diphenhydramine) Uses

  • temporarily relieves these symptoms due to hay fever or other upper respiratory allergies:
    • runny nose
    • sneezing
    • itchy, watery eyes
    • itching of the nose or throat
  • temporarily relieves these symptoms due to the common cold:
    • runny nose
    • sneezing

DOSAGE AND ADMINISTRATION

Directions

  • do not use more than directed (see OVERDOSE warning)

adults and children 12 years of age and over 25 mg to 50 mg (1 to 2 capsules).
children 6 to under 12 years of age 12.5 mg ** to 25 mg (1 capsule).
children under 6 years of age consult a doctor

**12.5 mg dosage strength is not available in Benadryl (diphenhydramine) ® Allergy Kapseals® Capsules.

Other information

  • store at 59° to 77°F in a dry place
  • protect from light

HOW SUPPLIED

Available in:
Ultratabs® tablets: Box of 24's, 48's, & 100's
Kapseals® capsules: Box of 24's & 48's

FDA rev date: 7/1/1997

Side Effects & Drug Interactions

SIDE EFFECTS

When using this product:

  • marked drowsiness may occur
  • avoid alcoholic drinks
  • alcohol, sedatives, and tranquilizers may increase drowsiness
  • excitability may occur, especially in children
  • be careful when driving a motor vehicle or operating machinery

DRUG INTERACTIONS

Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers.

FDA Logo

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.

Warnings & Precautions

WARNINGS

Alcohol warning: If you consume 3 or more alcoholic drinks every day, ask your doctor whether you should take acetaminophen or other pain relievers/fever reducers. Acetaminophen may cause liver damage.

PRECAUTIONS

No information provided.

Overdosage & Contraindications

OVERDOSE

Overdose warning: Taking more than the recommended dose may cause liver damage. In case of overdose, get medical help or contact a Poison Control Center right away. Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms

CONTRAINDICATIONS

No information provided.

Clinical Pharmacology

CLINICAL PHARMACOLOGY

No information provided.

Medication Guide

PATIENT INFORMATION

Do not use

Ask a doctor before use if you have

Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers

When using this product

do not use more than directed

  • marked drowsiness may occur
  • avoid alcoholic drinks
  • alcohol, sedatives, and tranquilizers may increase drowsiness
  • be careful when driving a motor vehicle or operating machinery
  • excitability may occur, especially in children

Stop use and ask a doctor if

  • redness or swelling is present
  • sore throat is severe
  • you get nervous, dizzy, or sleepless
  • new symptoms occur
  • fever gets worse or lasts more than 3 days
  • pain, cough or nasal congestion gets worse or lasts more than 5 days (children) or 7 days (adults)
  • sore throat lasts for more than 2 days, is accompanied or followed by fever, headache, rash, swelling, nausea, or vomiting
  • cough comes back or occurs with rash or headache that lasts. These could be signs of a serious condition.

If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children.

Questions?

call 1-800-524-2624 (English/Spanish), weekdays, 9 AM - 5 PM EST.

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