Myth: All antibiotics reduce the effectiveness of birth control pills. Fact: Most prescription antibiotics and oral contraceptives come with safety inserts that warn of certain drugs that can compromise the effectiveness of oral contraceptives. Research has revealed that one drug, Rifampin, may interfere with birth control.
There are several types of cysts on head: Dermoid Cyst. Dermoid cysts, known as pilar cysts, are congenital type of cysts that contain hair, fluid, teeth or sweat glands. Dermoid cysts can be located on or in the skin and usually occur on the face, lower back, inside the skull or in the ovaries.
Epidermoid cysts (one of the main types of cyst) are commonly found on the face, neck, chest, shoulders or skin around the genitals. These cysts affect young and middle-aged adults, and are especially common in people with acne. They don't usually run in families. Some cysts form around the hair follicles.