Signs and symptoms of candidiasis vary depending on the area affected.[17] Most candidal infections result in minimal complications such as redness, itching, and discomfort, though complications may be severe or even fatal if left untreated in certain populations. In healthy (immunocompetent) persons, candidiasis is usually a localized infection of the skin, fingernails or toenails (onychomycosis), or mucosal membranes, including the oral cavity and pharynx (thrush), esophagus, and the genitalia (vagina, penis, etc.);[18][19][20] less commonly in healthy individuals, the gastrointestinal tract,[21][22][23] urinary tract,[21] and respiratory tract[21] are sites of candida infection.
To reduce the risk of candidiasis in your baby’s diaper area, keep the skin as clean and dry as possible, changing diapers frequently. Fungal infections (thrush or vaginitis) often follow courses of antibacterials. To avoid this, it is important to use antibiotics only when  necessary. Oral nystatin and fluconazole are often used to prevent candidiasis in children with weakened immune systems.
Thrush is usually whitish oral, velvety lesions that appear on the tongue and mouth. Underneath the whitish material lies the red tissue which bleeds easily. The size and number of lesions can increase slowly in untreated cases. Thrush may be widespread (to involve large parts of tongue, mouth’s roof and inside of cheeks) and may mimic oral ulcers. These white patches cannot be rubbed off like bits of milk.
Most women will get a vaginal yeast infection at some point in their life. Symptoms of vaginal yeast infections include burning, itching, and thick, white discharge. Yeast infections are easy to treat, but it is important to see your doctor or nurse if you think you have an infection. Yeast infection symptoms are similar to other vaginal infections and sexually transmitted infections (STIs). If you have a more serious infection, and not a yeast infection, it can lead to major health problems.
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