Acne vulgaris (patient information)
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What is Acne vulgaris?
Acne is a disease that affects the skin's oil glands. The small holes in your skin (pores) connect to oil glands under the skin. These glands make an oily substance called sebum. The pores connect to the glands by a canal called a follicle. Inside the follicles, oil carries dead skin cells to the surface of the skin. A thin hair also grows through the follicle and out to the skin. When the follicle of a skin gland clogs up, a pimple grows.
Most pimples are found on the face, neck, back, chest, and shoulders. Acne is not a serious health threat but, it can cause scars.
What are the symptoms of Acne vulgaris?
Sometimes, the hair, sebum, and skin cells clump together into a plug. The bacteria in the plug causes swelling. Then when the plug starts to break down, a pimple grows.
There are many types of pimples. The most common types are:
--Whiteheads. These are pimples that stay under the surface of the skin.
--Blackheads. These pimples rise to the skin's surface and look black. The black color is not from dirt.
--Papules. These are small pink bumps that can be tender.
--Pustules. These pimples are red at the bottom and have pus on top.
--Nodules. These are large, painful, solid pimples that are deep in the skin.
--Cysts. These deep, painful, pus-filled pimples can cause scars.
What causes Acne vulgaris?
The cause of acne is unknown. Doctors think certain factors might cause it:
--The hormone increase in teenage years (this can cause the oil glands to plug up more often)
--Hormone changes during pregnancy
--Starting or stopping birth control pills
--Heredity (if your parents had acne, you might get it, too)
--Some types of medicine
--Greasy makeup
There are many myths about what causes acne. Dirty skin and stress do not cause acne. Also, chocolate and greasy foods do not cause acne in most people.
Who is at risk for Acne vulgaris?
What are some precautions against Acne vulgaris?
Some things can make acne worse:
--Changing hormone levels in teenage girls and adult women 2 to 7 days before their period starts
--Pressure from bike helmets, backpacks, or tight collars
--Pollution and high humidity
--Squeezing or picking at pimples
--Hard scrubbing of the skin.
Here are some ways to care for skin if you have acne:
--Clean skin gently. Use a mild cleanser in the morning, evening, and after heavy workouts. Scrubbing the skin does not stop acne. It can even make the problem worse.
--Try not to touch your skin. People who squeeze, pinch, or pick their pimples can get scars or dark spots on their skin.
--Shave carefully. If you shave, you can try both electric and safety razors to see which works best. With safety razors, use a sharp blade. Also, it helps to soften your beard with soap and water before putting on shaving cream. Shave lightly and only when you have to.
--Stay out of the sun. Many acne medicines can make people more likely to sunburn. Being in the sun a lot can also make skin wrinkle and raise the risk of skin cancer.
--Choose makeup carefully. All makeup should be oil free. Look for the word “noncomedogenic” on the label. This means that the makeup will not clog up your pores. But some people still get acne even if they use these products.
When to seek urgent medical care
Treatment options
Where to find medical care for Acne vulgaris
Directions to Hospitals Treating Acne vulgaris