Qué hacer si tienes un pelo encarnado infectado

Why do we get ingrown hairs?

An ingrown hair happens when people shave or remove hair, and the new one grows and curls back into the skin. Instead of growing from the follicle through the skin, the hair grows inwards.

There are several reasons why this happens. Sometimes dead skin clogs a follicle and forces the hair inwards, or the end of a cut hair can pierce your skin and begin to grow the wrong way.

Ingrown hairs mainly happen on parts of the body where you shave - such as the face and neck, legs, pubic region and armpits. If you shave regularly, you're more likely to get ingrown and infected ingrown hairs¹. This is because shaving and waxing sharpen hair that can then get trapped in the skin. People with coarse or curly hair are also more prone to ingrown hairs, as these hair types tend to curl back rather than outwards.

Ingrown hair swelling and redness

How to tell if your ingrown hair is infected?

An ingrown hair looks like an everyday spot or skin bump, varying in size and redness, and it may have swelling. Most ingrown hairs go away on their own if they're left alone and have time to heal. An infected ingrown hair looks similar, but there tends to be more swelling, redness and signs of pus.

Infected ingrown hairs can also be sore to touch. Mild infections are less noticeable and usually clear up without treatment. If you have a more serious infection that doesn't clear up in a few days or worsens, you should contact your doctor.

What's the difference between ingrown hairs and infected ingrown hairs?

How long does an ingrown hair infection last?

Ingrown hairs tend to cure themselves in a few days but this can take longer if you pick, scratch, or interfere with the healing process in any other way.

Infected ingrown hairs take a bit longer to heal as your body is busy helping the ingrown hair exit the skin while fighting the infection. But you should see signs of improvement after a few days.

Put into yellow box: It’s important that you don’t miss any signs of a severe infection. Speak to your doctor if you have redness that is spreading, the swelling is increasing, your pain is getting worse, or you develop a fever, as these are all signs of a worsening infection.

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Urticaria

The medical name for hives is urticaria. Hives are itchy red or white bumps on the skin that look like a nettle rash. Hives are caused by a release of histamine; sometimes this is due to a a physical stimulus. If this is the case, the condition is called inducible urticaria or physical urticaria. Examples of physical factors which can trigger hives include pressure, friction, allergies, sweating, cold, heat, sunlight and water. Treatments include avoiding the trigger (where possible), and using antihistamines. Urticaria can be called acute (short-lived episode) or chronic (persisting).

por la Dra. Philippa Vincent, MRCGP

Should you pop an infected ingrown hair?

You should treat ingrown hairs with caution. Do not pop them - especially those with a pus-filled head as it can lead to infection and scarring. If you have an infected ingrown hair, picking at it risks spreading and worsening the infection.

Infected ingrown hair treatment

Regular ingrown hairs or mildly infected ingrown hairs can be left alone until the condition resolves. It also helps if you don't shave the area or try any other type of hair removal method. However, speak to your doctor if you experience any pain, swelling, heat or feverish symptoms around an ingrown hair.

Tratamiento médico

If an ingrown hair becomes infected, your doctor may treat it by:

• Prescribing antibiotic medication or creams if you develop more severe ingrown hair issues such as cysts or folliculitis.

• Giving you a steroid cream if swelling or irritation occurs.

• Removing the hair with a surgical blade or sterile needle.

• Sending you to the emergency department in hospital if the infection is spreading or there is an abscess that needs lancing.

Remedios caseros

There are ways you can treat infected ingrown hairs at home to help heal and soothe the affected area.

Entre ellas figuran:

• Keeping the area clean by using small circular motions around the area and surrounding skin to prevent worse or prolonged infection.

• Applying anti-bacterial ointment such as tea tree oil to help the infection and ensure it doesn't get worse.

• Using over-the-counter products to relieve skin irritation and itching.

How to prevent ingrown hairs

Knowing how to treat and prevent ingrown hairs helps you avoid the hassle it causes and more severe concerns like an infection.

You can prevent ingrown hairs when shaving by:

• Using warm water or shaving cream/gel to wet your skin when shaving.

• Removing dead skin cells or moisturising if your skin is dry before shaving.

• Not shaving too close to your skin.

• Shaving in the direction your hair is growing.

• Using a sharp razor and rinse after every stroke.

• Using aftershave or lotion to soothe and clean the area.

• Using alternative hair removal methods such as laser hair removal, chemical hair removal, or electric clippers.

You can't guarantee that these methods will prevent ingrown hairs, but they may reduce the likelihood of them developing and improve your skin's health overall.

Para saber más

1. Alexis et al: Folliculitis Keloidalis Nuchae and Pseudofolliculitis Barbae: Are Prevention and Effective Treatment Within Reach?