What skin conditions cause hairloss?

Hair loss can be caused by a fungus, psoriasis, or dandruff (seborrheic dermatitis). The most common fungal infection affecting the hair is ringworm — the same thing as athlete’s foot.

What is cat pruritus?

The medical term for itching is pruritus. Itching is defined as an unpleasant sensation within the skin that provokes the desire to scratch. Itching is a sign, not a diagnosis or a specific disease.

Why do dogs scratch and lose hair?

Like people, dogs can have an allergic reaction to foods, environmental triggers such as pollen, or to parasites like fleas or mites. Flea bites are behind most dog allergies, however. Along with hair loss from licking and biting the irritated areas, signs of flea allergies include itching and redness.

What causes itchy scalp and permanent hair loss?

In addition to causing small, itchy bumps on the skin, folliculitis that affects the scalp can cause temporary hair loss. With proper treatment, the hair usually grows back. However, in rare cases, the condition can cause permanent hair loss. Lichen planopilaris is an inflammatory scalp condition thought to be due to a faulty immune system.

What causes cat to itch and lose hair?

Cheyletiella or Demodicosis mange: this is caused by the Cheyletiella mite. Symptoms include itching, scaly skin, and cat hair loss. It is treated with medication. Diagnosis is done with skin scrapings.

What causes hair loss and scratching in dogs?

Lorie was veterinarian for over 20 years and a former freelance writer for The Spruce Pets. Skin disease is the most common reason dogs visit the veterinarian, and hair loss and scratching are two of the most common manifestations of canine skin disease.

What causes thinning of hair and hair loss?

Microinflammations of the scalp are also a leading contributor to hair thinning and hair loss. They occur when the skin around your hair follicles becomes inflamed and weakens the hair root, making you more vulnerable to hereditary hair loss.

Why does my scalp itch when I have no hair?

Folliculitis is an inflammation of the hair follicles. It’s usually caused by staph bacteria or fungi. It can occur on your skin wherever hair grows, including the scalp. In addition to causing small, itchy bumps on the skin, folliculitis that affects the scalp can cause temporary hair loss. With proper treatment, the hair usually grows back.

Cheyletiella or Demodicosis mange: this is caused by the Cheyletiella mite. Symptoms include itching, scaly skin, and cat hair loss. It is treated with medication. Diagnosis is done with skin scrapings.

Can a bacterial infection cause permanent hair loss?

This infection tends to be more prevalent among people with acne as compared to those who have clear skin. While bacterial folliculitis usually heals on its own without any special treatment, more severe cases may require antibiotics. Left untreated, folliculitis can cause permanent hair loss.

Why do I have patches of hair loss on my scalp?

Lichen planopilaris is an inflammatory scalp condition thought to be due to a faulty immune system. It tends to occur in young adult women and can produce patches of hair loss along with scalp: