• October 25th, 2023

What is acne and how is it treated?


Acne is a very common skin condition that causes pimples. Most often, pimples appear on the face, but they can also appear on other parts of the body. The most common cause is clogged pores. Teenagers and young adults are the ones who most often get acne, but it can also occur in adulthood for many people. However, there are treatments available for both acne and the scars left behind by pimples.

The dermatologists on the Digital Clinics platform have proven experience in evaluating, diagnosing, and treating skin conditions. If you are experiencing the conditions described in this article, don’t let things get out of hand. It’s very easy to schedule an online consultation with one of our dermatologists.

What is acne?

Acne is a common skin condition in which the skin’s pores become clogged. Blocked pores cause blackheads, whiteheads, and other types of pimples. Pimples are bumps on the skin that are filled with pus, and are sometimes painful. The medical term for this condition is acne vulgaris.

 What are the types of acne?

There are several types of acne, including:

Fungal acne (pityrosporum folliculitis)

Fungal acne occurs when yeast builds up in your hair follicles.

Cystic acne

Cystic acne causes deep, pus-filled pimples and nodules. These can cause scarring.

 Hormonal acne

Hormonal acne affects adults who have an overproduction of sebum that clogs their pores.

 Nodular acne

Nodular acne is a severe form of acne that causes pimples on the surface of the skin and tender, nodular bumps under the skin.

All of these forms of acne can affect your self-esteem, and both cystic acne and nodular acne can lead to permanent skin damage in the form of scars. It's best to seek help from a dermatologist so they can determine the best treatment option for you.

Who does acne affect?

Acne usually affects everyone at some point in their lives. It's most common among teenagers and young adults who are going through hormonal changes, but acne can also occur in adulthood. Adult acne is more common in women. You may be at a higher risk of developing acne if you have a family history of acne (genetics). 

How common is acne?

If you have acne, know that you're not alone. Acne is the most common skin condition that people face. It's estimated that 80% of people between the ages of 11 and 30 will have at least some mild form of acne in their lifetime.

Where on the body does acne appear?

The most common places where acne develops are:

  • Face.
  • Forehead.
  • Chest.
  • Shoulders.
  • Upper back.

Oil glands are found all over the body, but the common locations for acne are where the glands are most active.

Symptoms and causes

What are the symptoms of acne?

Acne symptoms include:

 Pimples (pustules)

 Pus-filled bumps (papules).

 Papules

 Small, discolored bumps, often reddish-purple or darker than the natural skin tone.

 Blackheads

 Clogged pores with a black top.

 Whiteheads

 Clogged pores with a white top.

 Nodules

 Large, painful bumps under the skin.

 Cysts

 Painful, fluid-filled bumps (pus) under the skin.

Acne can be mild and cause a few occasional pimples, or it can be moderate and cause inflammatory papules. Severe acne causes nodules and cysts.

What causes acne?

 Clogged pores or hair follicles cause acne. Hair follicles are small tubes that hold a strand of hair. There are several glands that drain into hair follicles. When there is too much sebum in a hair follicle, it becomes clogged. Pores can become clogged with:

  • Sebum: An oily substance that provides a protective barrier for the skin.
  • Bacteria: Small amounts of bacteria naturally live on your skin. If you have too much bacteria, they can clog your pores.
  • Dead skin cells: Skin cells fall off to make room for new cells to grow. When your skin sheds dead skin cells, they can get stuck in your hair follicles.

When pores become clogged, the substances block the hair follicle, creating a pimple. This triggers inflammation, which you feel as pain and swelling. You can also see inflammation through skin discoloration, such as redness around a pimple.

 Acne Triggers

 Certain things in your environment contribute to acne or can worsen an acne breakout, including:

  •  Wearing clothing and headgear, such as hats and sports helmets.
  • Air pollution and certain weather conditions, especially high humidity.
  • Using oily or greasy personal care products, such as heavy lotions and creams
  • Spending time in an area where you routinely come into contact with grease, such as working at a restaurant with frying oil.
  • Stress, which increases the hormone cortisol.
  • A side effect of a medication.
  • Picking pimples.

Foods that cause acne

Some studies link certain foods and diets to acne, such as:

  •  Skim milk.
  •  Whey protein.
  • Diets high in sugar.

While diets high in sugar can lead to acne breakouts, chocolate is not directly linked to acne.

 To reduce your risk of acne, choose a balanced, nutritious diet with plenty of fresh fruits and vegetables, especially those rich in vitamin C and beta-carotene, which help reduce inflammation.

Hormones and Acne

 Acne is largely a hormonal condition driven by the androgen hormone (testosterone). This usually becomes active during the teenage and young adult years. You may also notice that acne forms during menstruation as a result of hormonal activity. Sensitivity to this hormone – combined with surface bacteria on the skin and substances released by the body’s glands – can lead to acne.

 Diagnosis and tests

 How is acne diagnosed?

 A dermatologist can diagnose acne during a skin exam. In a dermatology consultation, your doctor will closely examine your skin to learn more about your symptoms. In addition, your doctor may ask about risk factors for acne, such as:

  •  Are you stressed?
  •  Do you have a family history of acne?
  • Do you notice breakouts during your menstrual cycle?
  •  What medications are you currently taking?

 Who treats acne?

A dermatologist can diagnose and treat acne. 

How severe can acne become?

Dermatologists classify acne by severity:

  • Grade 1 (mild): Mostly whiteheads and blackheads, with a few papules and pustules.
  • Grade 2 (moderate or pustular acne): Multiple papules and pustules, especially on the face.
  • Grade 3 (moderately severe or nodulocystic acne): Numerous papules and pustules, along with occasional inflamed nodules. Your back and chest may also be affected.
  •  Grade 4 (severe nodulocystic acne): Numerous large, painful, and inflamed pustules and nodules.

Acne Treatment

How is acne treated?

 There are several ways to treat acne. Each type of treatment varies depending on your age, the type of acne, and its severity. A dermatologist may recommend taking oral medications, using topical medications, or using drug therapies to treat your skin. The goal of acne treatment is to stop new pimples from forming and to heal existing blemishes on your skin.

How do I treat acne at home?

If you have acne, you can start a home skin care routine by:

  • Washing your skin at least once a day with warm (not hot) water and a gentle cleanser. Cleansers are over-the-counter skin care products that help cleanse your skin.
  • Wash your skin after exercising or sweating.
  • Avoid using skin care products with alcohol, astringents, toners, and exfoliants, which can irritate your skin.
  • Remove your makeup at the end of the day or before going to bed.
  • Choose a non-greasy moisturizer to apply to your skin after cleansing.
  • Avoid popping your pimples. Allow your skin to heal naturally to prevent scarring.

If your home skin care routine isn't effective in treating your acne, see a dermatologist.

Acne Prevention

How can I prevent acne?

You can’t completely prevent acne, especially during hormonal changes, but you can reduce your risk of developing acne by:

  • Washing your face daily with warm water and a facial cleanser.
  • Using a non-greasy moisturizer.
  • Wearing “noncomedogenic” makeup and removing makeup at the end of each day.
  • Keeping your hands off your face.

How does acne affect my mental health?

Acne can cause mental health problems because it affects your appearance and self-esteem. Often, acne develops out of control because your hormones are the cause. This can cause stress, which can influence future breakouts. Acne can be a challenge for teens and young adults. If your acne makes you feel anxious or prevents you from participating in social activities with friends and family, talk to a dermatologist or a mental health professional (psychotherapist).

If you are facing this problem, we recommend that you consult one of our dermatologists here, who have proven experience in treating this type of condition.


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