Genital bleb is by accident the disease with examine higher rate. A few need introduce to differentiate diagnostic disease below.

1, glans wrapping is phlogistic

Tide has first red, debaucjed, but very few occurrence blister. Can have ooze liquid, wrapping oedema cannot go up break up, have purulent sex secretion sometimes. Can divide according to different pathogeny for traumatic sex glans glans of sex of phlogistic, contact glans of sex of phlogistic, infection glans of sex of bacterium of phlogistic, beads glans of phlogistic, amoeba sex glans of sex of phlogistic, trichomonad glans of sex of cell of phlogistic, oar is phlogistic etc.

2, hard chancre

For rigid ulcer, the brim is orderly.

3, clap

Also can produce glans to wrap dermatitis, but main show is urethritis of acute fester sex.

4, drug rash of fixed erythema sex

Often as a result of amine of sulphur of profess to convinced medicaments or acetanilide kind medicaments is caused. Happen at pudenda, have red, often defeat;burst;ulcerate;fester, erosion, also have recrudesce.

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