Abyvita Syrup is a type of syrup that contains Cyproheptadine and Multivitamins as active ingredients. The are used for seasonal allergic rhinitis, vasomotor rhinitis, allergic conjunctivitis due to inhaling toxins and foods. It as well, can be used for allergic reactions to blood or plasma and lastly physiological stress. The syrup works by blocking the action of histamine (a chemical found in cells, causing symptoms of allergies such as runny nose and sneezing). When consuming Abyvita Syrup, the following are possible side-effects they may occur from the constituting ingredients, drowsiness, poor coordination, rashes, nausea, diarrhea, and vomiting.