Diphenhydramine is an antihistamine used in the treatment of allergies, insect bites or stings and other causes of itching. It is also used for its sedative and antiemetic effects in the treatment of motion sickness and travel anxiety. It is also used for its antitussive effect.
Not established.
The most common adverse effects of diphenhydramine are sedation, lethargy, vomiting, diarrhea and lack of appetite.
Intramuscularly, subcutaneously, externally
Large ruminants: 3.0 – 6.0ml
Horses: 1.0 – 5.0ml
Small ruminants: 0.5 – 0.8ml
Dogs: 0.1 – 0.4ml
For meat – 1 day after the last administration of the preparation.
For milk – 1 day after the last administration of the preparation.
Store below 25ºC, in a cool and dry place, and protect from light.
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