
Periactin is the brand name of the drug cyproheptadine, a prescription medication recommended to allergy sufferers as well as patients diagnosed with a cold. It is a histamine blocker that controls allergy and cold symptoms. Symptoms that are managed with the use of Periactin include sneezing, watery eyes, hives, coughing and itching. Follow the directions of your doctor implicitly when using Periactin.

Cyproheptadine is an antihistamine used in the treatment of allergies and asthma. It may also be used to stimulate the appetite of cats. Consult your veterinarian if your pet experiences excitement, seizures, lethargy, coma, increased heart rate, inability to urinate, or fever while being treated with cyproheptadine.

Periactin can also be used to treat allergy symptoms. The symptoms it is known for treating in regards to inhalant allergies such as ragweed and pollen are watery, itchy eyes, hives and rashes.

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