I'm 36 weeks pregnant and have an itchy rash on my arms and thighs. i also itch under my belly where my pants sit..

PUPPP: This rash is quite possibly called "pruritic urticarial papules and pustules in pregnancy" or puppp in short. It is a common benign rash during pregnancy. See your obgyn if it continues to bother you for potential medications you can take.

Pupp rash: Sounds like the "rash of pregnancy". Many women get an itchy red rash for no known reason. Your OB can make recommendations such as epsom baths and even benadryl (diphenhydramine).

See internist: Rashes can be caused by many things. I would recommend that you see your physician and/or OB to evaluate the rash and order appropriate treatment if required. Attempts at self-diagnosis usually fall short.

Many possibilities: Rashes and itching during pregnancy can be pregnancy specific or totally unrelated to pregnancy. If the rash is persistent (longer than a week) or rapidly getting worse or is associated with other symptoms such as fever contact your gynecologist or see a dermatologist.

Pupp?: Call your OB or dermatologist. Pregnant women can rashes due to infections and allergic reactions. However, puritic urticarial papules and plaques of pregnancy (pupp) is a common cause of rashes in late pregnancy.

PUPPP: This rash is quite possibly called "pruritic urticarial papules and pustules in pregnancy" or puppp in short. It is a common benign rash during pregnancy. See your obgyn if it continues to bother you for potential medications you can take.