Infectious Diseases of Hair and Scalp

Infectious Diseases of Hair and Scalp

Hair can be affected by various kinds of infectious diseases. These include Impetigo, scabies, and folliculitis. Fortunately, there are some treatment options available for these diseases. If you have an infection, contact a trichologist for help. These professionals specialize in treating hair and scalp problems.


Folliculitis is an infectious disease of the hair that has many symptoms. While mild cases of folliculitis will resolve on their own, more severe cases may require medication to treat the underlying bacterial infection. Treatment for folliculitis may include the use of antibiotics or antifungal medications, or it may include self-care techniques like bathing and applying body wash containing chlorhexidine. Regardless of treatment, the infection may recur, so it’s important to seek a diagnosis and follow the instructions provided by your doctor.

Folliculitis has three main types. One type is Eosinophilic, which usually causes a ring-shaped eruption on the scalp. The other form is Pseudomonas aeruginosa-related folliculitis, which can lead to pustules and larger papules.

Bacterial folliculitis is the most common type. It’s caused by a type of bacteria called Staphylococcus aureus. The bacteria may cause the skin to break out in painful blisters, and oral antibiotics are usually prescribed to treat the infection. Antibiotic ointment is also an effective treatment for this type of folliculitis.

Aside from antibiotics, folliculitis can also be treated with laser therapy. Laser therapy works by killing the hair follicles, which is an effective treatment for the underlying condition. It may be necessary to undergo several treatments in order to see results. Changing your lifestyle and changing your habits is one of the best ways to prevent folliculitis. A good hygiene routine involves taking a warm bath, changing clothes often, and using clean washcloths or towels while bathing.

Symptoms of folliculitis can be mild or severe, and it can affect hair follicles on the legs, arms, and neck. It may be accompanied by a fever or a skin rash. For more serious cases, people should see a dermatologist. They may need treatment or surgery. When the infection is not severe, folliculitis will go away on its own.

The underlying cause of folliculitis is not clear, but trauma, perspiration, and friction may lead to an infection. It may also be caused by a fungal, bacterial, or parasitic agent. Bacterial folliculitis is typically caused by Staphylococcus aureus, and Pseudomonas aeruginosa can also cause it. Other causes of folliculitis include poor hygiene or underlying medical conditions.


Impetigo is a common infection of the scalp, which can spread to other parts of the body. Symptoms include sores and blisters that burst. Symptoms can range from mild to severe, and they depend on the type of impetigo. The disease often begins with a small blister and spreads rapidly. Blisters usually appear on the face and extremities and contain yellow or cloudy fluid. When the blisters break, they form crusty sores. Most cases heal without scarring, but some may have a deeper infection that leaves scars. All types of impetigo are highly contagious, making it vital to visit a doctor if you experience any of these symptoms.

Most cases of impetigo are caused by the bacteria Staphylococcus aureus. This bacterium causes impetigo by triggering the release of toxins into the body’s bloodstream. It is particularly dangerous to children, the elderly, and those with weakened immune systems. Although impetigo is more common in tropical climates, it can occur in all climates.

Once impetigo has been diagnosed, treatment options include taking antibiotics and staying home until the infection is clear. Infected people should also wash their hands frequently and avoid sharing linens or towels. When applying antibiotic ointments to infected areas, people should wear gloves. They should also keep their nails short to prevent infection from spreading.

People with impetigo typically have red, fluid-filled blisters on their skin. These sores can be painful. Symptoms of impetigo usually begin one to three days after contact with an infected person. However, the symptoms may vary from one person to another.

Impetigo is an infection caused by bacteria that live on the skin. In some people, these bacteria are present on the skin for a lifetime. They may grow on the nose, armpit, genitals, or hands. Even a small break in the skin may allow the bacteria to reproduce and cause an infection.

Proper personal hygiene and frequent hand washing are the best ways to prevent impetigo from spreading. Whenever you cough or sneeze, cover your mouth with a tissue. You should also avoid touching your infected area. Scratching it will spread the infection. Remember to always wash your hands with soap and water. You should also wash your clothes and linens regularly.


Scabies is a contagious hair and skin infection that can spread from one person to another. It is spread by the presence of tiny mites called Sarcoptes scabiei that burrow into the skin. These mites lay eggs inside tiny tunnels and cause small itchy bumps. These bumps are triggered by a hypersensitive reaction to the mites. Treatment for scabies usually involves applying a cream to the affected area. This cream is left on for eight to 14 hours and then washed off. Treatment for scabies may also include taking oral medication or pills to relieve the itching. In some cases, treatment may require two to three days.

A doctor can diagnose scabies by examining the affected area. If the affected area is irritated and crusted with dead skin, a sample of the irritated skin can reveal the presence of mites under a microscope. Scabies can also cause serious infections such as abscesses and septicaemia. Scabies-associated infections are associated with a high risk of developing kidney disease. In rare cases, the condition may cause permanent damage to the kidneys.

The disease can be very contagious, especially among the elderly and immunocompromised individuals. People with HIV may also be at a higher risk for scabies. Patients with a weakened immune system may find treatment difficult or ineffective. The affected area may be crusted or scaly, and treatment may not penetrate the crusted surface. The symptoms may resemble eczema or psoriasis.

When one person in a family has scabies, the other members of the household should also be treated. This is to prevent the spread of the disease. Scabies is an infectious disease of the hair and skin that is spread from person to person through skin to skin contact. People with scabies are encouraged to practice proper personal hygiene and use a mild anti-insect cream. The best treatment for scabies is prevention and education.

People with scabies can experience intense itching and a rash. Continuous scratching can lead to sores and an infection. In this case, a doctor may prescribe antibiotics to treat the infection. Patients can also see the mite burrow tracks on the affected skin, which are often raised or discolored.

Black piedra

Black piedra is a fungus that affects the scalp and hair, causing unsightly brown nodules that can be as small as a single strand of hair. These nodules are not harmful and are usually harmless. However, they are spread through poor personal hygiene, sharing combs, bands, and clips, and by sharing hair care products. This infection can be curable with proper care and treatment, but management is difficult without a multi-professional approach.

A black piedra nodule contains spores and tightly packed hyphae. The nodules are circumferential around the hair shaft. In contrast, white piedra nodules contain loosely packed hyphae and are often associated with peripheral bacteria. In some cases, it is difficult to distinguish between these two types.

Infection with black piedra is spread through the use of infected combs and pillowcases. It can also be spread through the use of plant oil in hair. The best way to avoid spreading the infection is to completely shave the head. Treatment also includes counseling for proper scalp hygiene.

There are a few home remedies for black piedra. Topical antifungal agents, such as 2% ketoconazole shampoo, are effective. In addition, non-surfactant leave-on lotions can help. Oral terbinafine has also been used successfully to treat the infection.

Treatment of white piedra and black piedra is similar to treatment for infections in the scalp and pubic hair. Typically, patients should shave the affected areas, apply anti-fungal agents, and clean all clothing and bedding. In some cases, oral terbinafine is used as a treatment for black piedra if topical treatments have failed.

White piedra is caused by Trichosporon spp. and is characterized by loose adhesion on the hair shafts. It usually affects scalp hair, and can be distinguished by trichoscopy and DME under 10% KOH. A positive diagnosis is important to treat the disease.

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