The labia are the skin folds that frame the entrance to the vagina. In toddler girls, this skin is not protected by hair and the sweat glands are not full developed. This creates increased exposure to urine and feces that may cause a rash. Inspection of the rash for location, color and distribution can lead you to learning the cause of the lesion. Discuss your toddler's labial rash with her pediatrician, who can provide professional diagnosis and advice on treatment and prevention. Never administer medication to your toddler without doctor's approval.
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Diaper rash is also known as dermatitis or inflamed skin. The rash will be covered by the diaper area and it will present as red, inflamed skin; a severe case may have some blistering of the skin. The labia may be involved as diaper rash is commonly caused by wet diapers, diarrhea or a change in bowel habits. Treating this diaper rash at home involves keeping the diaper area clean and dry.
The most common type of bacterial infection to involve the labia is streptococcal vulvovaginitis. This may appear after a throat infection or from a dermatitis around the anus. The vulva, which includes the labia, may appear red, swollen and painful with a mucus-type discharge. Your pediatrician can diagnose this rash by taking a swab of the skin; the rash is typically treated with oral penicillin, amoxycillin or cephalexin, pediatric dermatologist Gayle Fischer explains.
A cause of rash at the labia is miliaria rubra. This is also known as called heat rash or prickly heat rash and is common in hot and humid conditions. The diaper area is a common location for this to occur as it is frequently damp. The rash presents as small, itchy blisters in the folds of the body and is commonly seen on the labia. Treatment consists of keeping the area clean and dry.
The manifestation of pinworm may also cause intense itching and a rash on the labia. The rash may appear as red and raised and may present in patches. Itchiness will also be present around the anus, as this is where the female pinworms migrate to lay their eggs. Examination by your daughter's pediatrician will confirm the diagnosis. Treatment consists of medication, typically mebendazole, which kills the adult pinworms. To break the cycle of re-infestation, a repeat dose is given after two weeks.