Meclizine Dosage Dor Dogs. The dosage can however vary depending on the severity of the condition, weight, and size of the dog. 1.5 to 6 hours) for the tablet dosage form.

In fact, meclizine is the active ingredient in another dramamine product, dramamine less drowsy formula. The dosage is 25mg per day for dogs and is not weight related. The dramamine dose depends on the dog’s weight.