Most infected hair follicles heal on their own within seven to 10 days with basic self-care. The condition, called folliculitis, looks like small red or white-headed bumps around hair follicles and can show up anywhere you have hair. Mild cases rarely need prescription treatment, but knowing what to do (and what not to do) speeds healing and prevents the infection from getting worse.
What an Infected Hair Follicle Looks Like
An infected follicle typically starts as a small, tender red bump centered on a hair. It may develop a white or yellow pus-filled tip, itch, or feel warm to the touch. You might see a single bump or a cluster of them, commonly on the thighs, buttocks, neck, armpits, or beard area.
The cause matters because it changes the treatment. Most cases are bacterial, caused by staph bacteria on the skin. But folliculitis can also be fungal, which looks similar but tends to appear as uniform, itchy bumps on the chest, back, or shoulders. A third type, sometimes called hot tub rash, develops a few days after sitting in a poorly maintained hot tub or pool. If antibacterial treatments aren’t working, the infection may not be bacterial at all.
Home Treatment for Mild Cases
For a single bump or a small cluster without fever or spreading redness, home care is usually all you need.
Warm compresses are the first step. Soak a clean washcloth in warm water, wring it out, and hold it against the affected area for 10 to 15 minutes. Repeat this three to four times a day. The warmth increases blood flow to the area, helps draw pus toward the surface, and relieves pain. Use a fresh washcloth each time to avoid reintroducing bacteria.
Keep the area clean. Wash gently with a mild, fragrance-free cleanser once or twice a day. Avoid scrubbing, which can break open the bumps and spread infection to nearby follicles. Pat the skin dry with a clean towel rather than rubbing.
Don’t squeeze or pop the bumps. Squeezing pushes bacteria deeper into the skin and can turn a simple follicle infection into a deeper, more painful boil. Let the warm compresses do the work.
Over-the-counter options can help. An antibacterial wash containing benzoyl peroxide can reduce surface bacteria. If the bumps are itchy, a hydrocortisone cream applied thinly can ease inflammation. Avoid heavy ointments or petroleum-based products that can trap bacteria against the skin.
When the Infection Is Fungal
Fungal folliculitis is caused by an overgrowth of yeast that naturally lives on your skin. It’s often mistaken for acne or bacterial folliculitis, but the key difference is that antibiotics won’t help. In fact, taking antibiotics can make fungal folliculitis worse by killing off the good bacteria that normally keep yeast in check.
If your bumps are uniformly sized, persistently itchy, and concentrated on the chest, back, or upper arms, a fungal cause is worth considering. Over-the-counter antifungal creams containing ketoconazole can help mild cases. Selenium sulfide shampoo, the same kind used for dandruff, can also be applied to the affected area as a wash and left on for a few minutes before rinsing. For more stubborn cases, a healthcare provider may prescribe oral antifungal medication, which tends to be more effective than topical treatment alone.
Prescription Treatments for Bacterial Infections
If your folliculitis is widespread, keeps coming back, or hasn’t cleared after a week or two of home care, a provider will likely prescribe a topical antibiotic. The two most commonly used are mupirocin and clindamycin, both applied directly to the skin. These are effective against staph bacteria, the organism behind most cases.
For deeper or more severe infections, oral antibiotics may be necessary. This is especially true if the infection has progressed beyond the follicle itself.
How Folliculitis Can Progress
An untreated or poorly managed follicle infection can push deeper into the skin and form a boil (also called a furuncle). A boil is essentially the same infection, but it has moved past the follicle into deeper tissue and created a pocket of pus. It’s larger, more painful, and firmer than a simple folliculitis bump.
When several boils merge together, the result is a carbuncle, a deeper, multi-headed infection that often causes more significant pain and sometimes fever. Mild boils may still respond to warm compresses, but moderate to severe boils and carbuncles often need to be drained by a healthcare provider, who makes a small incision to release the trapped pus. You may also need oral or topical antibiotics afterward.
The takeaway: treating folliculitis early with warm compresses and good hygiene prevents it from becoming something that requires a procedure.
Hot Tub Folliculitis
This type appears as an itchy, bumpy rash a few days after exposure to contaminated water, usually from a hot tub or whirlpool with improper chlorine levels. The bumps often cluster in areas that were submerged or covered by a swimsuit, where water contact was prolonged.
Mild cases typically clear up in a few days without treatment. Warm compresses and keeping the skin clean are usually sufficient. If the rash worsens or you get it repeatedly, see a provider. Preventing it comes down to checking that hot tubs are properly maintained before you get in, and showering with soap immediately after.
Preventing Infected Hair Follicles
Shaving is one of the most common triggers, especially in the beard area, bikini line, and legs. The American Academy of Dermatology recommends several techniques to reduce risk:
- Shave at the end of your shower or hold a warm, damp washcloth to the area first. Soft, swollen hair is less likely to curl back into the skin.
- Always shave in the direction your hair grows. Going against the grain causes irritation and ingrown hairs. If your hair grows in multiple directions, you can train it to grow one way by brushing it gently with a toothbrush daily.
- Use a moisturizing shaving cream and a sharp blade. Replace disposable razors after five to seven shaves and store them in a dry place. Clean electric razors on the same schedule.
- Shave regularly. Shaving every two to three days gives hair less time to grow long enough to curl back into the skin.
- Cool down afterward. Rinse with warm water, then press a cool, damp washcloth to the area. Follow with a soothing aftershave product designed to reduce irritation.
Beyond shaving, wearing loose-fitting, breathable clothing helps, especially during exercise. Tight fabrics trap sweat and bacteria against follicles. Change out of sweaty workout clothes promptly, and avoid sharing towels or razors.
Signs the Infection Needs Medical Attention
Most folliculitis is a minor nuisance. But certain signs suggest the infection is spreading or deepening. Watch for redness that expands beyond the original bump, increasing pain or swelling, streaks radiating outward from the site, fever, or a bump that grows into a firm, painful lump. If your symptoms haven’t improved after two weeks of self-care, or if the infection keeps returning, a healthcare provider can determine whether you need prescription treatment or whether the cause is something other than bacteria.