Side effects of cyproheptadine include increased appetite and sometimes tranquilization. (marvistavet.com)
Appetite stimulants such as cyproheptadine (Periactin ®) at 5 - 20 mg one to two times a day and mirtazapine. (cspca.com)
A drug trial using a common dose of the serotonin antagonist cyproheptadine did not reduce airway eosinophilia (abnormally high amounts of eosinophils are found in asthma patients) compared with placebo; although overall airway hyperreactivity was not significantly reduced with treatment, individual cats (2 of 6) did have decreased airway hyperresponsiveness or less of an allergic response. (stevedalepetworld.com)