Skin rash is a change of the human skin which affects its color, appearance, or texture. A rash may be localized in one part of the body, or affect all the skin. Rashes may cause the skin to change color, itch, become warm, bumpy, chapped, dry, cracked or blistered, swell, and may be painful. The causes, and therefore.
Possible Causes of a Rash

Diaper Rash
- near the diaper area
- skin looks red and irritated
- warm to the touch

Bites and Stings
- heat, redness, and swelling at the site of the bite
- pain in the bite area or in muscles
- itching, numbness, and tingling

Fungal Infection
- itching, swelling, peeling, and cracking of the skin
- may start as a reddish, itchy, scaly rash

Flea Bites
- usually located on the lower legs and feet
- itchy, red bump surrounded by a red halo
- symptoms begin immediately after being bitten

Fifth Disease
- headache, fatigue, low fever, sore throat, and nausea
- children are more likely to experience a rash
- rash will appear on the cheeks, then the arms, legs, and trunk

Impetigo
- common in children
- itchy rash and fluid-filled blisters that pop easily
- swollen lymph nodes

Shingles
- itchy, red patches with fluid-filled blisters that break easily
- rash that wraps around the spine and torso
- rash on the face and ears
- may be accompanied by fever, chills, headache, or fatigue

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

Allergic Eczema
- itching, burning sensation
- warm, tender, scaly, raw, or thickened skin
- inflammation

Hay Fever
- itchiness and red patches on the skin
- welts with defined edges
- turns white when pressed

Scarlet Fever
- follows strep throat infection
- small red bumps
- feels like sandpaper

Drug Allergy
- slight rash
- fever
- breathing difficulties

Rheumatic Fever
- complication of strep throat or scarlet fever
- small, painless bumps under the skin
- slightly raised, ragged rash

Infectious Mononucleosis
- rare, but usually appears on the arms or trunk
- may appear after treatment with ampicillin or amoxicillin

Ringworm of the Body (Tinea Corporis)
- ring or circular-shaped rashes
- skin in the middle of the ring appears healthy
- itchy

Measles
- commonly develops at the head then spreads to the rest of the body
- red, itchy bumps
- white spots in the mouth

Candidiasis of the Skin
- usually occurs in skin folds (armpits, between fingers)
- can be white or red
- progresses to cracked and sore skin

Stasis Dermatitis and Ulcers
- skin appears thin and itches
- in later stages skin hardens and thickens
- an ulcer forms in the final stage

German Measles (Rubella)
- pink rash that starts on the face and spreads downward
- headache
- mild fever
- muscle pain

Sepsis
- appears in severe sepsis
- patches of discolored skin
- problems breathing

Atypical Pneumonia
- rash (mycoplasma)
- cough
- fever, muscle aches

Lyme Disease
- central red spot surrounded by a clear spot with an area of redness at the edge
- may be warm to the touch
- isn’t painful or itchy

West Nile Virus Infection (West Nile Fever)
- spread by infected mosquitoes
- appears on chest, stomach, or back
- accompanied by flu-like symptoms

Cellulitis
- bacteria enter through a crack or cut in the skin
- red, sore, with swelling that spreads quickly
- hot and tender to the touch

Erysipelas
- red, swollen, warm, painful area of skin with raised edge
- blisters on the affected area
- generally feeling unwell

MRSA (Staph) Infection
- red, fluid-filled, and painful to the touch
- may resemble an infected spider bite
- yellow or white center with a central head

Chickenpox
- clusters of red, fluid-filled blisters all over the body
- fever
- sore throat

Reye’s Syndrome
- prolonged vomiting
- drowsiness
- rapid breathing

Addisonian Crisis (Acute Adrenal Crisis)
- rash
- nausea
- vomiting

Chemical Burns
- blackened or dead skin
- irritation, redness, or burning at the affected area
- numbness or pain at the affected area

Diphtheria
- thick, gray coating on your throat and tonsils
- bluish skin
- sore throat

Systemic Lupus Erythematosus
- symmetrical rash on cheeks and nose in the shape of a butterfly
- hair loss
- painful or swollen joints

Colorado Tick Fever
- skin pain with faint rash
- sudden fever
- chills

Toxic Shock Syndrome
- usually occurs after using tampons or having surgery
- sudden fever
- skin rash and redness of eyes, mouth, or throat

Trichinosis
- rash may appear in the later stages of this condition
- muscle aches and pains
- swelling in eyes and face

Accidental Poisoning by Soap Products
- rashes only occur if the soap has come into contact with your hands
- irritation, small holes, or burns on the top layer of your skin

Acute HIV Infection
- flat, red area covered with bumps
- general “unwell” feeling
- swollen lymph nodes

Adult-Onset Still’s Disease
- fever accompanied by a rash
- sore throat
- swollen and tender joints

Hand, Foot, and Mouth Disease
- usually affects children under age 5
- painful, red blisters in the mouth and on the tongue and gums
- a red, painful rash on the hands and soles of the feet

Juvenile Rheumatoid Arthritis
- Know the signs of this autoimmune disease often accompanied by a rash
- affects children under 16 years old
- warm and swollen joints

Acrodermatitis
- affects children between the ages of 6 and 12
- itchy, red blisters usually on the arms, thighs, and buttocks
- blisters may turn purple and fill with fluid

Histoplasmosis
- caused by inhaling the spores found in the droppings of bats and birds
- symptoms show up 10 days after exposure
- red bumps on your legs

Hookworm Infections
- mainly affects people in developing countries in the tropic and subtropic
- infection starts with itchiness and a small rash
- abdominal pain

Kawasaki Disease
- usually affects children under age 5
- red, swollen tongue (strawberry tongue)
- bloodshot eyes

Syphilis
- small, painless sore that appears where the bacteria entered the body
- a rash that doesn’t itch may appear on the palms of the hands and the soles of the feet

Systemic Gonococcal Infection
- pus-filled skin rash with pink/red spots
- pain or swelling in the joints
- pain in the wrist or heel tendons

Typhus
- transmitted by flea, mite, or tick bites
- headache, high fever, chills
- rash

Dermatomyositis
- red or violet rash on the face, chest, nails, or elbows
- muscle weakness that starts in the neck, arms, or hips
- most commonly affects people between the ages of 5 and 15, or 40 and 60

Graft vs. Host Disease
- dark patches or darkening of the skin
- red, itching skin
- dry, irritated eyes

Ichthyosis Vulgaris
- polygon-shaped scales in the skin
- dry or thickened skin
- flaky scalp

Pemphigoid
- a red rash appears, followed by fluid-filled blisters
- the blisters are thick and do not rupture easily
- ruptured blisters are sensitive and painful

Sarcoidosis
- sores
- raised scars
- hair loss

Dengue Fever
- transmitted by mosquito bites
- rash follows sudden fever
- mild bruising on the skin

Phenylketonuria
- eczema
- seizures
- breath, skin, or urine that smells musty

Polio
- flu-like symptoms
- muscle stiffness, weakness, and spasms
- problems breathing or sleeping

Porphyrias
- extreme skin sensitivity to light
- changes in skin pigmentation
- erratic behavior related to sun exposure

Ebola Virus and Disease
- diarrhea, muscle and stomach pain
- fever, headache
- unexplained bleeding or bruising

SARS (Severe Acute Respiratory Syndrome)
- rash
- diarrhea, problems breathing, dry cough
- confusion
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