Ichthyosis Immunization Schedule Impacted wisdom tooth Impetigo Increased Appetite Incubation Periods of Communicable Diseases Indigestion Infant Jaundice Infectious Arthritis Infectious Mononucleosis Infective Endocarditis Infertility - Male Infertility in female Inflammatory Bowel Disease Influenza Ingrown Toenail Injuries to the scalp- face Injuries trauma Injury to Neck Insect Bites and Stings Insomnia Intestinal Obstruction Intrauterine Growth Retardation Iritis Irritable Bowel Syndrome Ischemic Heart Disease (Ischemic Cardiomyopathy) Itchy Skin (Pruritus)