What are the 5 types of skin lesions?

What are the different types of primary skin lesions?
  • Blisters. Blisters are skin lesions filled with a clear fluid. …
  • Macules. Macules are small spots that are typically brown, red, or white. …
  • Nodules. …
  • Papules. …
  • Pustules. …
  • Rashes. …
  • Wheals.

How many different types of rashes are there?

While there are many different types, rashes may basically be divided into two types: infectious or noninfectious. Noninfectious rashes include eczema, contact dermatitis, psoriasis, seborrheic dermatitis, drug eruptions, rosacea, hives (urticaria), dry skin (xerosis), and allergic dermatitis.

What is skin rash called?

A simple rash is called dermatitis, meaning inflammation of the skin. Contact dermatitis is caused by things your skin touches, such as: Chemicals in elastic, latex, and rubber products. Cosmetics, soaps, and detergents.

What is a papular rash?

A papule is a raised area of skin in a rash. Doctors use the term maculopapular to describe a rash with both flat and raised parts. Understanding that your rash has bumps and flat sections can help you describe it to your doctor.

What does allergic rash look like?

An itchy rash. Leathery patches that are darker than usual (hyperpigmented), typically on brown or Black skin. Dry, cracked, scaly skin, typically on white skin. Bumps and blisters, sometimes with oozing and crusting.

What are red spots called?

Petechiae are tiny spots of bleeding under the skin. They can be caused by a simple injury, straining or more serious conditions. If you have pinpoint-sized red dots under your skin that spread quickly, or petechiae plus other symptoms, seek medical attention.

What does stress rash look like?

They often look like red, pink, or flesh-colored, raised, puffy, splotches. Sometimes, they may look like bug bites, or raised red bumps.

How can you tell if a rash is serious?

If you have a rash and notice any of the following symptoms, see a board-certified dermatologist or go to the emergency room immediately:
  1. The rash is all over your body. …
  2. You have a fever with the rash. …
  3. The rash is sudden and spreads rapidly. …
  4. The rash begins to blister. …
  5. The rash is painful. …
  6. The rash is infected.

What does allergic rash look like?

An itchy rash. Leathery patches that are darker than usual (hyperpigmented), typically on brown or Black skin. Dry, cracked, scaly skin, typically on white skin. Bumps and blisters, sometimes with oozing and crusting.

What does an autoimmune rash look like?

Autoimmune rashes can look like scaly red patches, purplish bumps, or more. The appearance of autoimmune rashes will be different, depending on which autoimmune condition is triggering the skin rash. For example, cutaneous lupus may cause a scaly red patch that does not hurt or itch.

What diseases have a rash as a symptom?

Five potentially life-threatening disorders that have skin rash as the primary symptom are:
  • Pemphigus vulgaris (PV)
  • Stevens-Johnson syndrome (SJS)
  • Toxic epidermal necrolysis (TEN)
  • Toxic shock syndrome (TSS)
  • Staphylococcal scalded skin syndrome (SSS)

How long should a rash last before seeing a doctor?

Moist, cool compresses applied to the affected area can also help and also provide some instant relief. If your symptoms do not resolve after two to four weeks, if the rash is on your face or genitals, or if the rash is especially painful or widespread, it’s time to see the doctor.

Why does rashes occur suddenly?

There are a number of potential causes of rashes, including allergies, diseases, reactions, and medications. They can also be caused by bacterial, fungal, viral, or parasitic infections.

What virus causes rash?

Viruses that commonly cause exanthem rash include: Chickenpox (varicella-zoster virus). COVID-19 (coronavirus). Fifth disease (parvovirus B19).

How can you tell if a rash is fungal or bacterial?

Skin infections caused by viruses usually result in red welts or blisters that can be itchy and/or painful. Meanwhile, fungal infections usually present with a red, scaly and itchy rash with occasional pustules.