What are the most common causes of rashes?Answer from 4 sources
All about rashes: the most common causes and treatment options
- Heat rash. If you can’t take the heat, well, your skin might show it.
- Eczema. If you’ve got dry, itchy skin that won’t quit, you might be suffering from
Common Causes of Underarm Rash
- Fungal Infection.
- Contact Dermatitis.
- Seborrheic Dermatitis.
- Hidradenitis Suppurativa.
- Heat Rash and Sweat Rash.
- Underarm Shaving.
- Deodorants and Antiperspirants.
57 possible causes of rash
- Bites and stings. Many insects can cause a rash through a bite or sting.
- Flea bites. Fleas are tiny jumping insects that can live in fabrics within the home.
- Fifth disease. Also known as erythema infectiosum and...
Other possible causes of rashes include the following:
- A rash can sometimes develop in the area of a bug bite, such as a flea bite.
- Eczema, or atopic dermatitis, is a rash that primarily occurs in people with asthma or allergies.
People also ask
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Aug 13, 2018 · Contact dermatitis Contact dermatitis is one of the most common causes of rashes. This type of rash occurs when the skin comes into direct contact with a foreign substance that causes an adverse...
Common rashes include COVID-19 rash, eczema, poison ivy, hives, and athlete's foot. Infections that cause rashes may be fungal, bacterial, parasitic, or viral. Over-the-counter products may be helpful treatments for many skin rashes. Rashes lasting more than a few days that are unexplained should be evaluated by a doctor.
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Sep 28, 2019 · Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune system disorders and medications. One of the most common skin disorders that causes a rash is atopic dermatitis (ay-TOP-ik dur-muh-TI-tis), also known as eczema. Atopic dermatitis is an ongoing (chronic) condition that makes skin red and itchy.
Oct 28, 2016 · Most doctors know the common causes of a rash, but diagnosis by probability alone can lead to misdiagnosis. Experts rely on precisely observing and describing the rash morphology (shape, color, size, etc) and localization. For example, plaques with white scale at the elbows suggest psoriasis.
- Bites and stings. Many insects can cause a rash through a bite or sting. Although the reaction will vary depending on the person and the animal, symptoms often include
- Flea bites. Fleas are tiny jumping insects that can live in fabrics within the home. They have a very fast breeding cycle and can take over a home very rapidly.
- Fifth disease. Also known as erythema infectiosum and slapped cheek syndrome, fifth disease is caused by the parvovirus B19. One of the symptoms is a rash, which appears in three stages
- Impetigo. Impetigo is a highly contagious skin infection that most commonly affects children. The first sign is normally a patch of red, itchy skin.
- What Is It?
- Expected Duration
- When to Call A Professional
- Further Information
A rash is a temporary eruption or discoloration of the skin and is often inflamed or swollen. Rashes come in many forms and levels of severity, and they last for different amounts of time. Some common causes of rashes include: 1. Infections — This broad category covers a wide range of illnesses, including: 1. Viral infections, such as measles, rubella, roseola, fifth disease, varicella zoster, herpes or shingles 1. Bacterial infections, such as impetigo, scarlet fever or Lyme disease 1. 1. Fu...
Although rash is easily recognized, all rashes are not the same. Rashes vary in their appearance, timing, location or distribution, and duration. In general, rashes can be described as: 1. Macular — Flat, red spots 2. Papular — Small, raised, solid bumps 3. Macular and papular — A combination 4. Papulosquamous — A combination of papules and scaly areas 5. Vesicular — Small, raised, fluid-filled blisters Additional signs and symptoms that sometimes accompany rashes include: 1. Fever 2. Swollen...
Your doctor will ask you about your medical history, including your history of allergies and your work history, to check for possible exposure to chemical irritants or to people with infections. Your doctor also may ask specific questions about your rash, including: 1. When it began — Did the rash appear after you ate a new food, tried a new skin care product or took a new medication? 2. Location and pattern — Does the rash affect only sun-exposed areas or only areas in direct contact with gl...
How long a rash lasts depends on its cause. However, most rashes usually disappear within a few days. For example, the rash of a roseola viral infection usually lasts 1 to 2 days, whereas the rash of measles disappears within 6 to 7 days. Rashes caused by an antibiotic allergy may last 3 to 14 days, whereas diaper rash almost always clears up within 1 week (if diapers are changed frequently).Rashes resulting from lupus or dermatomyositis may last for an extended period of time.
Prevention depends on the cause of the rash: 1. Infections — Check that you and your children are up-to-date in your routine immunizations. Wash your hands frequently, bathe regularly and avoid sharing clothing or personal grooming items with other people. To prevent Lyme disease, wear light-colored clothing that contrasts with the dark tick and covers most of your skin when you go into the woods. Use approved tick repellents. Be aware that you are more likely to be exposed to ticks in areas...
Treatment depends on the cause of the rash: 1. Infections — Bacterial infections are treated with antibiotics. Fungal infections are treated with antifungal medications. Many viral infections that cause rash will go away within several days and require no medication. Less often, antiviral drugs are necessary. 2. Allergic reactions — A severe allergic reaction is a life-threatening medical emergency. It must be treated immediately with epinephrine, a medication that opens narrowed airways and...
Seek immediate medical attention if you begin to have difficulty breathing or develop hives, a fever, a fast pulse, confusion or nausea. These could be signs of a life-threatening allergic reaction. Always consult your doctor promptly if a rash: 1. Worsens 2. Lasts longer than one week 3. Shows signs of local infection (oozing, redness or swelling of the skin) 4. Occurs together with fever, chills, swollen glands or other symptoms of infection (sore throat, cough, headache, nasal congestion,...
The outlook for most rashes is excellent, especially after the cause has been identified accurately. In severe allergic reactions, a patient can die within minutes without immediate medical treatment. With proper treatment, recovery usually is complete. However, the patient remains at risk of future severe reactions if he or she is exposed to the same allergy-producing agent. For this reason, a prescription for a self-injection pen containing epinephrine for emergencies usually is recommended...
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- Atopic Dermatitis (Eczema) Atopic dermatitis, more commonly known as eczema, frequently occurs in young children, although it may start in young adults, and can continue into adult life.
- Urticaria (Hives) and Angioedema (Swelling) Urticaria, commonly referred to as hives, is an itchy rash that can occur at any age. This rash appears as raised red bumps of various shapes and sizes and typically lasts for only minutes to hours.
- Contact Dermatitis. Contact dermatitis is caused by direct skin contact with a substance that causes a rash-like reaction. People react to a variety of chemicals, including cosmetics, hair dye, metals, topical medications, and dental materials.
Sep 28, 2019 · This rash (herald patch) may spread as small patches to other parts of the back, chest and neck. The rash may form a pattern on the back that resembles a Christmas tree. Pityriasis rosea usually goes away without treatment in four to 10 weeks, but it can last months. Medicated lotions may lessen itchiness and speed the disappearance of the rash.