The symptoms of yeast infection (candidiasis) vary depending on where the infection is located.
Vaginal yeast infections cause itching or burning sensations of the vagina and labia, abnormal vaginal discharges that are white and either watery or thick, swelling and redness of the vulva and painful urination and sexual intercourse.
Among the signs of yeast infections in the mouth, known as Thrush, are redness or soreness, white patches inside the cheeks and on the tongue, and tiny cracks at the corners of the mouth. An infection is in the esophagus may cause difficulty swallowing.
The symptoms of candidiasis on the skin include patches oozing clear fluid, pimples, a rash and itching or burning sensations.
Candidiasis infecting the male penis causes a painful rash or scaling on the underside. Under the nails it causes a buildup of pus, swelling and a white or yellowish nail that separates from the nail bed.