A blistering eruption

It is thought that this occurs when the body develops a type IV hypersensitivity reaction to fungal protein. The fungus is in the roof of the blister and is removed when this layer peels away after the blister bursts. However this rarely cures the tinea. It slowly builds up again and a similar response occurs. Treatment options include oral griseofulvin for six weeks or topical terbinafine cream twice a day for at least a month, and then periodically to stop fungal build up. In the acute situation, if itch is a major problem a strong topical steroid cream can be used for a short time.

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