Both pimples and blackheads start most often in the follicles of the hair certain glands, called sebaceous glands", deposit an oily material there.
When the hair follicle becomes plugged up and this deposit collects, it forms a blemish we call a blackhead.
Pimples are small, raised areas of the skin which often have collections of pus in them. But the cause of pimples is harder to explain than that of blackheads. This is because they may be due to many conditions, including an improper diet, a glandular imbalance, or tiny infections in the skin.
Pimples may also be a sign that a more serious skin disorder is developing, or they may even be a sign of some diseased condition in the body. This is why a person should consult a doctor when he has many pimples on the body. The doctor will try to determine what brought them on. If the pimples are caused by some internal condition, then medication is applied to the pimples will not do much good and could even damage the skin permanently. Pimples should not be squeezed. This makes it possible for bacteria to get into the area.
Acne is a condition that occurs in many young people of adolescent age. Acne includes blackheads, pustules, cysts, and nodules, all of which appear together. While the cause of common acne varies from person to person, in some cases it is due to the eating of certain foods, and in others it may be due to the glands not working properly. A person with acne should consult a doctor for treatment. Mumps is a contagious disease in which the salivary glands swell up. The parotid glands, which are located below and in front of the ears, are the chief ones affected.