Skin rash

Causes

Dermatitis It is further of two types –contact dermatitis and atopic dermatitis.

Contact dermatitis

It is a common cause of skin rash that refers to an allergic reaction on the skin when it comes in contact with an allergen, like chemicals in cosmetics, soaps, detergents or dyes in clothing, alcohol-based lotions and elastic, rubber products.

Atopic dermatitis

Commonly seen in persons having other allergies and asthma, a skin rash appears which is red, dry, and itchy.

Due to certain medicines

A skin rash may appear either as a side effect or an allergic reaction to medicines. Some examples include antibiotics, NSAIDs (non-steroidal anti-inflamatory drugs), anti-seizure drugs.

Infections

Fungal infections 

Ringworm, candida infection

WZV

Herpes Zoster/shingles which is a painful blistered skin condition caused by varicella zoster virus

Chickenpox

A viral infection caused by Varicella Zoster virus that leads to a rash with fluid-filled blisters on the skin

Measles

A viral infection caused by a virus of Paramyxovirus family leading to widespread skin rashes

Hand foot and mouth disease

It is a viral infection occurring in young children resulting in rashes on hands and feet along with sores in the mouth.

Impetigo

A superficial skin infection caused by Staphylococcus bacteria.

Hives

Itchy, raised bumps (wheals) on skin usually caused by an allergic reaction

Seborrheic dermatitis

Red, inflamed skin covered by flakes or scales majorly on the scalp but may also involve areas like eyelashes, eyebrows, area behind ears

Scabies

Highly contagious skin condition caused by mite Sarcoptes Scabiei

Psoriasis

An autoimmune skin disorder in which red inflamed patches appear on the skin covered with silvery-white scales

Acne rosacea

Skin condition characterized by redness, flushing of the face and small pus-filled bumps

Food allergy

Eating certain specific foods like eggs, peanuts, milk, fish may trigger a skin rash.

SLE

An autoimmune disease that causes joint pain, rash, fever, severe fatigue and organ damage

Heat rash (prickly heat)

It causes tiny bumps on the skin caused from trapped sweat on the skin

Stings and insect bites

Cellulitis: Serious bacterial infection in the deep layers of the skin

Certain kinds of fever

Typhoid fever, dengue fever

In children, some reasons for skin rashes are as follows:

Diaper rash: A skin rash on the baby’s bottom in the diaper area