Overview A rash is a change which is noticeable in the texture or color of the skin. Your skin may become scaly, bumpy, itchy, or otherwise irritated. Flea bites generally located in clusters on the lower legs and feet itchy, red bump surrounded by a red halo symptoms beginning after immediately being bitten   Fifth […]

A rash is a change which is noticeable in the texture or color of the skin. Your skin may become scaly, bumpy, itchy, or otherwise irritated.

Flea bites
  • generally located in clusters on the lower legs and feet
  • itchy, red bump surrounded by a red halo
  • symptoms beginning after immediately being bitten


Fifth disease

  • headache, fatigue, low fever, sore throat, runny nose, diarrhea, and nausea
  • children are more likely to experience than adults to experience a rash
  • round, bright red rash on the cheeks
  • lacy-patterned rash on the arms, legs, and upper body that might be more visible after getting a hot shower or bath



  • skin disease which is chronic that goes through cycles of fading and relapse
  • relapses may be triggered by consuming spicy foods, alcoholic beverages, sunlight, stress, and the intestinal bacteria Helicobacter pylori
  • the four subtypes of rosacea encompass a variety of symptoms
  • symptoms which are common include facial flushing, raised, red bumps, facial redness, skin dryness, and skin sensitivity



  • common in babies and children
  • often located in the area around the mouth, chin, and nose
  • irritating rash and fluid-filled blisters that pop easily and form a honey-colored crust



  • circular-shaped scaly rashes with raised border
  • skin in the middle of the ring appears clear and healthy, and the edges of the ring may spread outward
  • itchy

Contact dermatitis

  • appears hours to days after contact with an allergen
  • has visible borders and appears where your skin touched the irritating substance
  • skin is itchy, red, scaly, or raw
  • blisters that weep, ooze, or become crusty


Allergic eczema

  • may resemble a burn
  • often found on hands and forearms
  • skin is itchy, red, scaly, or raw
  • blisters that weep, ooze, or become crusty


Hand, foot, and mouth disease

  • usually affects children under age 5
  • painful, red blisters in the mouth and on the tongue and gums
  • flat or raised red spots located on the palms of the hand and soles of the feet
  • spots may also appear on the buttocks or genital area


Diaper rash

nulllocated on areas that have contact with a diaper
  • skin looks red, wet, and irritated
  • warm to the touch



  • yellow or white scaly patches that flake off
  • affected areas may be red, itchy, greasy, or oily
  • hair loss may occur in the area with the rash



  • scaly, silvery, sharply defined skin patches
  • commonly located on the scalp, elbows, knees, and lower back
  • may be itchy or asymptomatic



  • clusters of itchy, red, fluid-filled blisters in various stages of healing all over the body
  • rash is accompanied by fever, body aches, sore throat, and loss of appetite
  • remains contagious until all blisters have crusted over


Systemic lupus erythematosus (SLE)

  • an autoimmune disease that displays a wide variety of symptoms that affect many different body systems and organs
  • a wide array of skin and mucous membrane symptoms that range from rashes to ulcers
  • classic butterfly-shaped face rash that crosses from cheek to cheek over the nose
  • rashes may appear or get worse with sun exposure



  • very painful rash that may burn, tingle, or itch, even if there are no blisters present
  • clusters of fluid-filled blisters that break easily and weep fluid
  • rash emerges in a linear stripe pattern that appears most commonly on the torso, but may occur on other parts of the body, including the face
  • may be accompanied by low fever, chills, headache, or fatigue




This condition is considered as a medical emergency. Urgent care may be required.

  • caused by bacteria or fungi entering through a crack or cut in the skin
  • red, painful, swollen skin with or without oozing that spreads quickly
  • hot and tender to the touch
  • fever, chills, and red streaking from the rash might be a sign of serious infection requiring medical attention


Drug allergy


This condition is considered as a medical emergency. Urgent care may be required.

  • mild, itchy, red rash may occur days to weeks after taking a drug
  • severe drug allergies can be life-threatening and symptoms include hives, racing heart, swelling, itching, and difficulty breathing
  • other symptoms include fever, stomach upset, and tiny purple or red dots on the skin



  • symptoms may take four to six weeks to appear
  • extremely itchy rash may be pimply, made up of tiny blisters, or scaly
  • raised, white, or flesh-toned lines



  • symptoms include fever, sore throat, red, watery eyes, loss of appetite, cough, and runny nose
  • red rash spreads from the face down the body three to five days after first symptoms appear
  • tiny red spots with blue-white centers appear inside the mouth


Tick bite

  • pain or swelling at the bite area
  • rash, burning sensation, blisters, or difficulty breathing
  • the tick often remains attached to the skin for a long time
  • bites rarely appear in groups


Seborrheic eczema

  • yellow or white scaly patches that flake off
  • affected areas may be red, itchy, greasy, or oily
  • hair loss may occur in the rash area


Scarlet fever

  • occurs at the same time as or right after a strep throat infection
  • red skin rash all over the body (but not the hands and feet)
  • rash is made up of tiny bumps that make it feel like “sandpaper”
  • bright red tongue


Kawasaki disease


This condition is considered a medical emergency. Urgent care may be required.

  • usually affects children under age 5
  • red, swollen tongue (strawberry tongue), high fever, swollen, red palms and soles of the feet, swollen lymph nodes, bloodshot eyes
  • may cause severe heart problems so consult a doctor if there’s concern
  • however, usually gets better on its own


Rashes – Causes

Contact dermatitis

One of the most common rash cause is contact dermatitis. This type of rash occurs when the skin comes into contact directly with a foreign substance that causes an adverse reaction, leading to a rash. The rash which is caused may be itchy, red, or inflamed. Possible causes of contact dermatitis may include:

  • beauty products, soaps, and laundry detergent
  • clothing dye
  • contact with chemicals in rubber, elastic, or latex
  • touching poisonous plants, such as poison oak, poison ivy, or poison sumac


Taking some medicines may also cause rashes. They can be formed as a result of:

  • an allergic reaction to the medication
  • a side effect of the medication
  • photosensitivity to the medication

Other causes

Other possible causes can include the following:

  • A rash can develop in the area of a bug bite sometimes, such as a flea bite. Tick bites are of particular concern because they can transfer disease.
  • Eczema, or atopic dermatitis, is a rash that occurs primarily in people having asthma or allergies. The rash is often reddish and itchy with a scaly texture.
  • Psoriasis is a skin condition which is common and can cause a scaly, itchy, red rash to form along the scalp, elbows, and joints.
  • Seborrheic eczema is a type of eczema that mostly affects the scalp and causes redness, scaly patches, and dandruff. It can also be occured on the ears, mouth, or nose. It is known as crib cap when babies have it.
  • Lupus erythematosus is an autoimmune disease where the rash is triggered on the cheeks and nose. This rash is also known as a “butterfly,” or malar, rash.
  • Rosacea is a chronic skin condition with a cause which is unknown. There are several types of rosacea, but all are classified by redness and rash on the face.
  • Ringworm is a fungal infection which causes a distinctive ring-shaped rash. The same fungus that causes ringworm of the body and the scalp also is the cause of jock itch and athlete’s foot.
  • Diaper rash is a common skin irritation found in infants and toddlers. It’s usually caused by sitting  longer in a dirty diaper.
  • Scabies is an infestation by tiny mites that live on the skin and burrow into your skin. It causes a bumpy, itchy rash.
  • Cellulitis is a bacterial infection of the skin. It generally appears as a red, swollen area that is painful and tender to the touch. If left being not treated, the infection causing the cellulitis can spread and become life-threatening.

Rashes in children – Causes

Rashes that develop as a result of illnesses are particularly prone in children, such as:

  • Chickenpox is a virus characterized by red, itchy blisters that forms all over the body.
  • Measles is a viral respiratory infection which is causing a rash which is widespread consisting of itchy, red bumps.
  • Scarlet fever is an infection which is caused due to group A Streptococcus bacteria that produces a toxin causing a bright red sandpaper-like rash.
  • Hand, foot, and mouth disease is a infection which is viral that can cause red lesions on the mouth and a rash on the hands and feet.
  • Fifth disease is a infection which is viral that causes a red, flat rash on the cheeks, upper arms, and legs.
  • Kawasaki disease is an uncommon but serious illness where a rash and fever is triggered in the early stages and as a complication can lead to an aneurysm of the coronary artery.
  • Impetigo is a bacterial infection which is contagious  and that causes an itchy, crusty rash, and yellow, fluid-filled sores on the face, neck, and hands.
Rashes – Care at home

Most contact rashes can be treated, but it depends on the cause. Follow these guidelines to help in easing discomfort and speed up the healing process:

  • Mild, gentle cleansers should be used instead of scented bar soaps.
  • Warm water instead of hot water should be used for washing your skin and hair.
  • Instead of rubbing the  rash pat the rash dry.
  • Let the rash breathe. If it’s possible, avoid covering the rash with clothing.
  • Stop the use of new cosmetics or lotions that may have triggered the rash.
  • Apply moisturizing lotion which are unscented to areas affected by eczema.
  • Avoid scratching the rash because it can make it worse and could lead to infection.
  • Apply an over-the-counter hydrocortisone cream to the area which is affected if the rash is very itchy and causing discomfort. Calamine lotion can also help in relieving rashes from chickenpox, poison ivy, or poison oak.
  • An oatmeal bath can be taken which can soothe the itchiness associated with rashes from eczema or psoriasis.
  • Hair and scalp should be washed regularly with dandruff shampoo if having dandruff along with a rash. Medicated dandruff shampoo is commonly available at drugstores, but the doctor can prescribe stronger types if needed.

Over-the-counter medications

Take medications like acetaminophen (Tylenol) or ibuprofen (Advil) in moderation for mild pain associated with the rash. Healthcare provider should be consulted before starting to taking these drugs, and avoid taking them for an extended period because they can have side effects. Ask the healthcare provider how long it’s safe to take them. If having a liver or kidney disease or a history of stomach ulcers then these medications might not be taken.

Rashes – Seeing the Healthcare provider

Go to the hospital immediately if  experiencing a rash along with any of the below symptoms:

  • increase in pain or discoloration in the rash area
  • tightness or itchiness in the throat
  • difficulty in breathing
  • swelling of the face or extremities
  • fever of 100.4°F (38°C) or higher
  • confusion
  • dizziness
  • severe head or neck pain
  • repeated vomiting or diarrhea

Healthcare provider should be contacted if having a rash as well as other systemic symptoms including:

  • joint pain
  • a sore throat
  • a fever slightly above 100.4°F (38°C)
  • red streaks or tender areas near the rash
  • a recent tick bite or animal bite

A physical examination and inspection will be performed by the healthcare provider for the rash. Expect to answer questions about your:

  • rash
  • medical history
  • diet
  • recent use of products or medications
  • hygiene

The healthcare provider may also:

  • check the temperature
  • order some tests, such as an allergy test or complete blood count
  • perform biopsy of the skin, which involves taking a small sample of skin tissue for analysis
  • refers to a specialist, such as a dermatologist, for further evaluation

The healthcare provider may also prescribe medication or medicated lotion for relieving the rash. With medical treatments and home care most people can treat their rashes effectively.

Follow these tips if having a rash:

  • Mild contact rashes can be soothed using home remedies.
  • Identifying the potential triggers for the rash, and avoiding them as much as possible
  • Contacting the healthcare provider if the rash doesn’t go away with home treatments and also contact them if experiencing any other symptoms in addition to the rash and suspecting to have an illness.
  • Carefully follow any treatments prescribed by the doctor. Speak with the healthcare provider if the rash is persisting or getting worse despite treatment.

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