Dosage and Administration:It is important to follow your Veterinarian's prescription instructions for your pet. Though attached with no evident side effects, there can be rare instances when the medicine can inflict reactions in pets. Possible Side Effects: Though attached with no evident side effects, there can be rare instances when the medicine can inflict reactions in pets. The most common adverse reaction of cyproheptadine 4mg is drowsiness or even sedation. Medical attention would require when pet encounters excitement, lethargy, fever, problem to urinate or experiences coma. Precautions: Do not use the medicine unless prescribed by a qualified veterinarian. Though there are not many instances of adverse reactions to the medicine, care must be taken while dealing with it. Animals that are normally allergic to the drug must be excluded from this treatment. Also, medication has to be used with caution in animals suffering from glaucoma, heart diseases, prostate gland enlargement, problems in the food pipe etc. The medicine when given with certain other drugs like barbiturates, tranquilizers and monoamine oxidase inhibitors might trigger allergic reactions in the animal. To avoid such issues, inform the veterinarian if the pet is already under some kind of medication. Moreover, overdose can cause prolonged sedation in the animal. Cyproheptadine 4mg 100 count bottle. I do not receive this product or any others in exchange for this article, I do get a commission for readers clicking the buy now links which helps to differ the cost of hosting this blog and I sincerely hope this article site helps you with your search for Vet Approved Rx products.