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Diphenhydramine hydrochloride
Diphenhydramine hydrochloride (Benadryl)
Diphenhydramine hydrochloride
(dye-fen-
HY-drah-meen)
Pregnancy Category: B
Allerdryl
AllerMax
AllerMax Allergy & Cough Formula
Banophen Caplets
Benadryl
Benadryl Allergy
Benadryl Allergy Ultratabs
Benadryl Dye-Free Allergy
Benadryl Dye-Free Allergy Liqui Gels
Diphen AF
Diphen Cough
Diphenhist
Genahist
Hyrexin-50
Nytol
Nytol Extra Strength
PMS-Diphenhydramine
Scheinpharm Diphenhydramine
Scot-Tussin DM
Siladryl
Tusstat
(OTC and Rx).
Sleep-Aids: Dormin
Miles Nervine
Nighttime Sleep Aid
Nytol
Sleep-eze 3
Sleep-Eze D
Sleepwell 2-nite
Sominex
(OTC)
Classification:
Antihistamine, ethanolamine-type; antiemetic
See Also:
See also
Antihistamines
[,
Antiemetics
][, and
Antiparkinson Drugs
][.
]
Action/Kinetics:
High sedative, anticholinergic, and antiemetic effects.
Uses:
Hypersensitivity reactions, motion sickness (PO only), parkinsonism, nighttime sleep aid (PO only), antitussive (syrup only).
Contraindications:
Topically to treat chickenpox, poison ivy, or sunburn. Topically on large areas of the body or on blistered or oozing skin.
How Supplied:
Balm: 2%;
Capsule: 25 mg, 50 mg;
Chew Tablet: 12.5 mg;
Cream: 2%;
Elixir: 12.5 mg/5 mL;
Injection: 10 mg/mL, 50 mg/mL;
Liquid: 6.25 mg/5 mL, 12.5 mg/5 mL, 50 mg/15 mL;
Lotion: 0.5%;
Spray: 1%, 2%;
Syrup: 12.5 mg/5 mL;
Tablet: 25 mg, 50 mg
Dosage
?Capsules, Chewable Tablets, Elixir, Liquid, Syrup, Tablets
Antihistamine, antiemetic, antimotion sickness, parkinsonism.
Adults: 25-50 mg t.i.d.-q.i.d.;
pediatric, over 10 kg: 12.5-25 mg t.i.d.-q.i.d. (or 5 mg/kg/day not to exceed 300 mg/day or 150 mg/m
2/day).
Sleep aid.
Adults and children over 12 years: 50 mg at bedtime.
Antitussive (Syrup only).
Adults: 25 mg q 4 hr, not to exceed 100 mg/day;
pediatric, 6-12 years: 12.5-25 mg q 4 hr, not to exceed 50 mg/day;
pediatric, 2-6 years: 6.25 mg q 4 hr, not to exceed 25 mg/day.
?IV, Deep IM
Parkinsonism.
Adults: 10-50 mg up to 100 mg if needed (not to exceed 400 mg/day);
pediatric: 1.25 mg/kg (or 37.5 mg/m
2) q.i.d., not to exceed a total of 300 mg/day. |
