Potential Gilenya side effects may include: Abdominal pain, Actinic keratosis, Alopecia, Asthenia, Back pain, Blurred vision, Bradycardia, Cough, Decreased lung function, Diarrhea, Dyspnea, First-degree atrioventricular block, Headache, Herpes virus infection, Herpes zoster infection, Hypertension, Increased gamma-glutamyl transfer, Increased serum alanine aminotransferase, Increased serum aspartate transaminase, Increased serum triglycerides, Influenza, Leukopenia, Lymphocytopenia, Migraine, Nausea, Second-degree atrioventricular block, Sinusitis Dr. Sheehy (BSc Molecular Biology, PharmD) works a clinical pharmacist specializing in cardiology, oncology, and ambulatory care. He’s a board-certified pharmacotherapy specialist (BCPS), and his experience working one-on-one with patients to fine tune their medication and therapy plans for optimal results makes him a valuable subject matter expert for our pharmacy.Read More....