Non-itchy red bumps on the legs can be caused by a variety of factors. Various skin conditions or infections can produce a non-itchy rash, as can some types of skin irritation. While non-itchy red bumps are most often harmless, consulting a health care professional about their appearance and cause is wise to rule out contagious conditions or underlying health problems.
Causes
Rashes affecting the legs are often caused by various forms of eczema or dermatitis, according to DermNet NZ. Shaving can cause skin irritation, commonly called razor rash, and ingrown hairs, both of which can produce red bumps on the legs. Folliculitis, as explained by MayoClinic.com, occurs when hair follicles become infected, producing small bumps on the skin, and the American Academy of Dermatology says that keratosis pilaris, a benign skin condition, can be the source of red bumps on the legs.
Symptoms
Non-itchy red bumps on the legs can appear in small clusters, as a widespread rash, or present themselves individually, depending upon the underlying cause. Bumps caused by shaving, skin irritation, eczema, dermatitis, keratosis pilaris or severely dry skin often present as a widespread rash. Ingrown hairs can appear individually, creating just one bump, or in patches, creating clusters of them, and folliculitis causes red bumps to form around hair follicles.
Treatments
Skin conditions, such as eczema, dermatitis, and keratosis pilaris, often improve to some degree with regular application of moisturizers. Topical steroids or antibiotics may be prescribed for eczema or dermatitis, and keratosis pilaris is often treated with retinoids or mild chemical peels. Folliculitis often clears on its own, but stubborn cases may require antibiotics or other prescription medications to resolve. Ingrown hairs or razor rash can be cleared up by avoiding shaving and waxing. MayoCinic.com recommends laser hair removal as an alternative, as it removes the hair follicle.
Prevention
Red bumps due to skin conditions or dryness may be prevented by changing your skin care routine. The American Academy of Dermatology recommends using a mild, fragrance free soap or cleanser that contains moisturizers; taking short, five- to 10-minute showers or baths; avoiding hot water, which can dry skin excessively; and applying moisturizing creams or lotions immediately after bathing.
Considerations
While non-itchy red bumps on the legs are not typically dangerous to health, under certain circumstances it may be necessary to consult a health care professional. Any signs of skin infection, such as swelling, oozing of pus or fluid, or skin that feels hot to the touch, should be evaluated by your doctor. Consult your physician if bumps spread, appear repeatedly in the same areas or do not respond to self care measures.
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