Benadryl Injection
Shifting Temps May Prime You for Spring Allergies »
"March 5, 2013 -- Spring allergy season is again off to an early start in many parts of the country, and doctors say there are some signs it may be even more miserable than usual this year.
Last year was the fourth warmest winter on re"...
Read the Shifting Temps May Prime You for Spring Allergies article »
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.
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
Additional Benadryl Injection Information
Benadryl Injection - User Reviews
Benadryl Injection User Reviews
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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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