Active Ingredient: Diphenhydramine
For this indication, competent medicine agencies globally authorize below treatments:
For:
Oral, between 25 milligrams diphenhydramine and 50 milligrams diphenhydramine, 3 to 4 times daily.
25 mg – 50 mg three or four times daily. Maximum daily dosage not to exceed 300 mg.
For:
Regimen A: Oral, between 12.5 milligrams diphenhydramine and 25 milligrams diphenhydramine, 3 to 4 times daily. The maximum allowed total dose is 300 milligrams diphenhydramine daily.
Regimen B: Oral, 5 milligrams diphenhydramine per kilogram of body weight, divided daily.
Regimen C: Oral, 150 milligrams diphenhydramine per square meter of body surface, divided daily.
12.5 mg – 25 mg three to four times daily. Maximum daily dosage not to exceed 300 mg.
For physicians who wish to calculate the dose on the basis of body weight or surface area, the recommended dosage is 5 mg/kg/24 hours or 150 mg/m²/24 hours.
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