Common causes of red bumps skin are insect bites, dry skin, contact dermatitis such as poison ivy , contact irritants such as chemicals in soaps, synthetic fabric, wool, atopic dermatitis rashes. It is commonly found in the folds of the skin, on babies back. They can also happen because of any deficiency in pregnant women and in children or due to allergies to some food. It is usually found on the surface of them skin, sometimes like pustules such as folliculitis and impetigo. Always consult your doctor for the treatment, if the rashes persist, unlike the minor rashes that disappear within a few days. Drugs such as antibiotics (penicillin, sulfonamides), gold, griseofulvin, isoniazid, opiates, phenothiazines, or vitamin A are commonly used, REMEMBER to use these drugs consulting your doctor before. For persistent or severe itching, consult your doctor before it worsens and spreads to other areas for a precise diagnosis and specific treatment instructions.

Red bumps skin may be red and scaly with small raised bumps, which may leak. These bumps may also be called as called hyperkeratosis polaris, when your hair follicles are clogged by brief buildup in the upper layer of skin. Typically, these bumps occur in areas where your skin contacts your clothing, such as the upper outer arm and the outer thigh. It is treatable with regular scrubbing and often hydrocortisone cream. You can even try over-the-counter hydrocortisone creams. If the red bumps are large you probably also need an antibiotic. Antibiotics come as solutions for the skin or as pills.

However, before you go to the doctor, take the following steps to deal with the itch:
· Avoid scratching or rubbing the itchy areas.
· Keep fingernails short to avoid skin scratches from any inadvertent scratching and infecting the other parts of the skin.
· Family members or friends may be able to help by calling attention to your scratching.
· Wear cool, light, loose bedclothes, such as cotton.
· Avoid wearing rough and synthetic clothing, particularly nylon and wool, over the itchy area.
· Take lukewarm baths using little or no soap and rinsing thoroughly.
· Try skin-soothing oatmeal, cornstarch or powdered gram bath.
· Apply a soothing moisturizing lotion after bathing to soften and cool the skin. Apply cold compresses to an itchy area.
· Avoid prolonged exposure to excessive heat and humidity. Keep yourself occupied with some task so that your mind is distracted from itching.
· Try over-the-counter oral antihistamines such as diphenhydramine (Benadryl). Try over-the-counter hydrocortisone cream.