All you want to know about Pimples!!for medicos and non medicos

Acne is the most common skin condition in the United States. Although it's common, accurate information about acne can be scarce. This can make it difficult to get clearer skin. The information on this site can help you understand acne and how to successfully treat it.

Why treat acne?
Myths about acne are as common as the skin problem. One common myth is that you have to let acne run its course.

Dermatologists know that letting acne runs its course is not always the best advice.

Here's why:
Without treatment, dark spots and permanent scars can appear on the skin as acne clears.
Treating acne often boosts a person’s self-esteem.
Many effective treatments are available.
More women getting acne
Not just teens have acne. A growing number of women have acne in their 30s, 40s, 50s, and beyond. Dermatologists are not sure why this is happening. But dermatologists understand that adult acne can be particularly frustrating.

OverviewSymptoms
ACNE: SIGNS AND SYMPTOMS

Acne signs
Many people think that acne is just pimples. But a person who has acne can have any of these blemishes:

Blackheads.
Whiteheads.
Papules.
Pustules (what many people call pimples).
Cysts.
Nodules.

Acne can appear on the back, chest, neck, shoulders, upper arms and buttocks.

Acne symptoms
Acne can cause more than blemishes. Studies show that people who have acne can have:

Low self-esteem: Many people who have acne say that their acne makes them feel bad about themselves. Because of their acne, they do not want to be with friends. They miss school and work. Grades can slide, and absenteeism can become a problem because of their acne.

Depression: Many people who have acne suffer from more than low self-esteem. Acne can lead to a medical condition called depression. The depression can be so bad that people think about what it would be like to commit suicide. Many studies have found that teens who believe that they have “bad” acne were likely to think about committing suicide.

Dark spots on the skin: These spots appear when the acne heals. It can take months or years for dark spots to disappear.

Scars (permanent): People who get acne cysts and nodules often see scars when the acne clears. You can prevent these scars. Be sure to see a dermatologist for treatment if you get acne early — between 8 and 12 years old. If someone in your family had acne cysts and nodules, you also should see a dermatologist if you get acne. Treating acne before cysts and nodules appear can prevent scars

Who gets acne?
If you have a bad case of acne, you may feel like you are the only one. But many people have acne. It is the most common skin problem in the United States. About 40 to 50 million Americans have acne at any one time.

Most people who have acne are teenagers or young adults, but acne can occur at any age. Newborn babies can get acne. Men and women get acne. Some women get acne when they reach middle age.

What causes acne?
Acne appears when a pore in our skin clogs. This clog begins with dead skin cells. Normally, dead skin cells rise to surface of the pore, and the body sheds the cells. When the body starts to make lots of sebum (see-bum), oil that keeps our skin from drying out, the dead skin cells can stick together inside the pore. Instead of rising to the surface, the cells become trapped inside the pore.

Sometimes bacteria that live on our skin, p. acnes, also get inside the clogged pore. Inside the pore, the bacteria have a perfect environment for multiplying very quickly. With loads of bacteria inside, the pore becomes inflamed (red and swollen). If the inflammation goes deep into the skin, an acne cyst or nodule appears.

How do dermatologists treat acne?
Today, there are many effective acne treatments. This does not mean that every acne treatment works for everyone who has acne. But it does mean that virtually every case of acne can be controlled.

People who have mild acne have a few blemishes. They may have whiteheads, blackheads, papules, and/or pustules (aka pimples). Many people can treat mild acne with products that you can buy without a prescription. A product containing benzoyl peroxide or salicylic acid often clears the skin. This does not mean that the acne will clear overnight.

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Despite the claims, acne treatment does not work overnight. At-home treatment requires 4-8 weeks to see improvement. Once acne clears, you must continue to treat the skin to prevent breakouts.

When to see a dermatologist
If you have a lot of acne, cysts, or nodules, a medicine that you can buy without a prescription may not work. If you want to see clearer skin, you should see a dermatologist. Dermatologists offer the following types of treatment:

Acne treatment that you apply to the skin: Most acne treatments are applied to the skin. Your dermatologist may call this topical treatment. There are many topical acne treatments. Some topicals help kill the bacteria. Others work on reducing the oil. The topical medicine may contain a retinoid, prescription-strength benzoyl peroxide, antibiotic, or even salicylic acid. Your dermatologist will determine what you need.

Acne treatment that works throughout the body: Medicine that works throughout the body may be necessary when you have red, swollen types of acne. This type of treatment is usually necessary to treat acne cysts and nodules. Your dermatologist may prescribe one or more of these:

Antibiotics (helps to kill bacteria and reduce inflammation).
Birth control pills and other medicine that works on hormones (can be helpful for women).
Isotretinoin (the only treatment that works on all that causes acne).

Procedures that treat acne: Your dermatologist may treat your acne with a procedure that can be performed during an office visit. These treatments include:

Lasers and other light therapies: These devices reduce the p. acnes bacteria. Your dermatologist can determine whether this type of treatment can be helpful.
Chemical peels: You cannot buy the chemical peels that dermatologists use. Dermatologists use chemical peels to treat 2 types of acne — blackheads and papules.
Acne removal: Your dermatologist may perform a procedure called “drainage and extraction” to remove a large acne cyst. This procedure helps when the cyst does not respond to medicine. It also helps ease the pain and the chance that the cyst will leave a scar. If you absolutely have to get rid of a cyst quickly, your dermatologist may inject the cyst with medicine.

( source : https://www.aad.org/public/diseases/acne-and-rosacea/acne#overview