DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Oral thrush due to steroids. Close-up of the tongue of a 21 year old woman with thrush (candidiasis). The back of the tongue is covered in white patches of Candida albicans, a yeast- like fungus. Candida albicans is a normal inhabitant of the mouth, but it is usually kept under control by bacteria present in these areas. In this case the patient was taking inhaled steroids for the prevention of asthma attacks. The steroids have lowered resistance in the mouth to allow thrush to take over. Rinsing the mouth after using an inhaler is thought to reduce the risk of infection. Treatment of thrush is with antifungal drugs.
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