According to reports submitted by families nationwide, Gardasil side effects have been linked to a number of health problems, including: Autoimmune Diseases POTS (Postural Orthostatic Tachycardia Syndrome) Premature Ovarian Failure Premature Menopause Polycystic Ovary Syndrome (PCOS) Idiopathic Thrombocytopenic Purpura (ITP) Irregular Heartbeat/Tachycardia Lupus Neurologic Disorder Brain Fog or Chronic Inability to Concentrate Chronic Fatigue Chronic Pain Severe Headaches Difficulty Sleeping Fibromyalgia Nerve Damage Menstrual Disorders/Problems Gastrointestinal Issues (food intolerances, nausea, vomiting)