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Benadryl Injection

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Benadryl Injection

SIDE EFFECTS

The most frequent adverse reactions are underscored.

General: Urticaria, drug rash, anaphylactic shock, photosensitivity, excessive perspiration, chills, dryness of mouth, nose, and throat

Cardiovascular System: Hypotension, headache, palpitations, tachycardia, extrasystoles

Hematologic System: Hemolytic anemia, thrombocytopenia, agranulocytosis

Nervous System: Sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesia, blurred vision, diplopia, vertigo, tinnitus, acute labyrinthitis, neuritis, convulsions

GI System: Epigastric distress, anorexia, nausea, vomiting, diarrhea, constipation

GU System: Urinary frequency, difficult urination, urinary retention, early menses

Respiratory System: Thickening of bronchial secretions, tightness of chest or throat and wheezing, nasal stuffiness

Read the Benadryl Injection (diphenhydramine injection) Side Effects Center for a complete guide to possible side effects

DRUG INTERACTIONS

Diphenhydramine hydrochloride has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc).

MAO inhibitors prolong and intensify the anticholinergic (drying) effects of antihistamines.

Read the Benadryl Injection Drug Interactions Center for a complete guide to possible interactions

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.

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Benadryl Injection - User Reviews

Benadryl Injection User Reviews

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Here is a collection of user reviews for the medication Benadryl Injection 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.


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