Causes of skin rash

A skin rash happens when your skin gets inflamed or swollen. They might make your skin red, scaly, or cause lumps and blisters. They can also sting or itch. There are several causes for this condition – some cause an instant rash, while others require time. Listed below are some frequent reasons:

1. Uric acid

When excessive amounts of uric acid in the blood cause crystals to grow and collect in and around a joint, a rash may appear on the skin of the affected area. This can also result in the development of gout. Among the signs and symptoms are:

• A rash that appears as little dots on the skin’s surface.
• Joint pain, soreness, and swelling are all symptoms of gout.
• Joint discomfort that lasted for many weeks following the response

2. Bites and stings 

A rash can be caused by a variety of insects that bite or sting you. Although the severity of the response will vary based on the individual and the animal, the following signs are frequently observed:

• a rash and redness of the skin
• itching
• pain
• Inflammation at the location of the bite or sting, which may be confined to the bite or sting or more widespread

3. Dermatitis neglecta

Dermatitis neglect occurs when people do not clean themselves properly. It resembles other allergy diseases. Symptoms include scaly areas of skin with:

• sweat and moisture
• dirt
• viruses and bacteria

4. Flea bites 

Fleas are small jumping insects that can be found in the home’s textiles and on people’s clothing. They have a relatively short reproductive cycle and may quickly establish themselves in a new environment.

• Flea bites on people are frequently visible as red dots.
• It is possible for the skin to become inflamed and uncomfortable.
• Scratching might result in the development of secondary infections.

5. Dermatomyositis

Dermatomyositis causes muscular weakness and rashes. The rash is red and spotty or bluish-purple in appearance and occurs in:

• back and shoulders
• knuckles
• palms and fingers
• eye area

6. Histoplasmosis

Histoplasmosis is a lung fungal infection. It might cause pneumonia-like symptoms or no symptoms at all.

• rash
• rib discomfort
• lower leg red bumps

7. Adult-onset  Still’s

Adult-onset Inflammatory illness that often affects adults in their 30s. Symptoms:

• Pink rash that affects the chest and thighs and fades fast.
• Pain in the knees, wrists, and ankles.
• Leaky gut or enlarged spleen.

8. Accidental soap poisoning

Some soaps have harsh chemicals. They can cause significant harm if swallowed or breathed. Among the signs:

• skin chemical burns
• throat, lip, and tongue swelling
• molecular oxygen

9. Addisonian crisis

It is an uncommon and possibly deadly disease when the adrenal glands stop functioning properly. Symptoms:

• skin responses (rashes)
• low blood pressure
• fever, chills, and sweating

10. Drug allergy

Some people are allergic to prescription medicines. The body’s immune system treats the drug as a virus. Symptoms vary by person and medication, but can include:

• hives and rashes
• Skin or eye itch
• Swelling

11. Fungus

The human body has certain fungi that grow naturally on it. Symptoms vary depending on the illness, but include:

• a round red rash with elevated borders
• skin cracking, peeling in the affected region
• itching, chafing or burning in the affected region

12. Dermatitis

Touch dermatitis develops when the skin comes into contact with an irritant. Symptoms:

• a stinging, red rash
• swollen skin
• stinging
• abrasion

13. Dengue

Mosquitoes spread dengue disease, commonly known as breakbone fever. The disease is moderate to severe. Among the signs:

• A flat, red rash covers much of the body at first.
• Then a secondary rash like measles emerges.
• achy joints and muscles

14. Typhoid

Typhoid is caused by bacteria. It spreads fast through contact with contaminated feces. Untreated, 25% of cases result in death. Among the signs:

• Rose-colored patches on the neck and belly.
• Fever – 104°F.
• Diarrhea with constipation.

15. Hand, foot, and mouth

• Hand, foot, and mouth disease is a viral infection in children. Symptoms:
• Raised, non-itchy red blisters on the hands and feet.
• Appetite loss
• Throat, tongue, and mouth ulcers

16. HIV infection

The virus is highly high in the blood in the early stages of HIV since the immune system hasn’t started fighting it. A rash with the following characteristics appears early:

• mostly affects the head
• tiny red spots, flat or raised
• not itchy at all

17. Chickenpox

The varicella-zoster virus causes chickenpox. It hurts, but most individuals get over it in a few weeks. Symptoms:

• Initially over the face and torso, an itchy rash of tiny red dots
• envelops the body
• Blisters form on top of spots.
• After 48 hours, the blisters dry up and cloud.

18. Dermatitis stasis 

Stasis dermatitis is sometimes referred to as varicose eczema in some circles. As a result of impaired circulation, it most often affects the lower legs and is a painful condition. Among the signs and symptoms are:

• Irritated, dry skin covering varicose veins
• Skin that is red, puffy, and painful, and that may leak or crust over
• Legs that are heavy and hurting after standing for a long period of time

19. Measles

It is caused by the rubeola virus, which makes it a very infectious condition. Among the signs and symptoms are:

• a rash that is reddish-brown in color
• In the mouth, there are tiny grayish-white dots with bluish-white centers.
• coughing up dust

20. Ringworm

Despite its name, ringworm is really caused by a fungus. The top layer of the skin, the scalp, and the nails are all affected by the fungal infection. Symptoms vary depending on where the infection has occurred, however, they might include:

• An itchy, red rash in rings that is occasionally somewhat elevated
• scaly skin patches on the surface of the skin
• Hair near spots falls out in clumps

21. Rheumatic fever 

This condition is caused by a streptococcal infection, such as Strep throat. Rheumatic fever is an inflammatory response to the illness. It most often affects youngsters between the ages of 5 and 15. Among the signs and symptoms are:

• tiny, non-painful lumps under the skin
• a rash on the skin that is red
• tonsils that are enlarged

22. Eczema

Eczema is one of the most prevalent skin disorders that people suffer from. It is common for it to manifest itself in childhood. The symptoms of eczema vary depending on the kind of eczema and the age of the person suffering from it, however, they commonly include:

• dry, scaly areas of skin on the body
• a rash that is extremely irritating
• skin that is cracked and rough

In what circumstances should you consult your doctor regarding rashes?

If the rash does not go after trying home remedies, contact your healthcare practitioner. Please call them if you are having any other symptoms in addition to your rash and believe you may be suffering from a medical condition. For those who don’t already have a doctor, you can use the Healthline FindCare service to locate one in your area.

If you have a rash that is accompanied by any of the following symptoms, you should go to the hospital very away:

• discomfort or discoloration in the rash area that is becoming more severe
• Having trouble breathing
• Face or extremity swelling is a medical term that refers to swelling of the face or extremities.
• A temperature of 100.4°F (38°C) or above is considered high.
• confusion
• dizziness
• severe headaches or neck discomfort
• vomiting or diarrhea on a regular basis

Please consult with your healthcare practitioner if you are experiencing a rash along with additional systemic symptoms such as:

• arthritic joint discomfort
• a scratchy throat
• a temperature that is slightly higher than 100.4°F (38°C)
• Red streaks or sensitive regions near the rash are signs of a rash.
• a tick bite or an animal bite that has occurred recently

Reference

www.webmd.com/skin-problems-and-treatments

www.NHS.UK/conditions/rashes-babies-and-children/

www.prevention.com/health/health-conditions

https://covid.joinzoe.com/us-post/skin-rash-covid