Psoriasis is a long-term skin condition. Patches of skin become red, dry, and rough, and tiny pieces can flake off.

Psoriasispsoriasis(乾癬) is a long-term skin condition是一種長期的皮膚狀況。Patches of skin一片一片的皮膚 become red, dry, and rough會變紅、變乾、變粗糙, and tiny pieces can flake off還會有小碎屑剝落。

It often shows on the elbows, knees, or scalp, though it can appear in other places too. You cannot catch it from another person — it is not an infection.

It often shows on the elbows, knees, or scalp它常常出現在手肘、膝蓋或頭皮, though it can appear in other places too不過其他地方也可能出現。You cannot catch it from another person你不會從別人身上被傳染 — it is not an infection它不是一種感染。

In those spots the skin is growing too fast. It can come and go: some weeks look almost clear, then a flare-up arrives.

In those spots在那些部位, the skin is growing too fast皮膚生長得太快。It can come and go它可能時好時壞: some weeks look almost clear有些星期看起來幾乎好了, then a flare-up arrives接著又發作起來。

Cold dry air, stress, a cut, or some medicines can make it worse.

Cold dry air, stress, a cut, or some medicines冷乾的空氣、壓力、傷口，或某些藥物 can make it worse都可能讓它惡化。

Doctors cannot usually wipe it away for good, but creams and other treatments can calm it. People with psoriasis sometimes feel embarrassed; it helps to know it is medical, not dirty.

Doctors醫生 cannot usually wipe it away for good通常沒辦法把它徹底根治, but creams and other treatments can calm it不過藥膏和其他治療可以讓它緩和下來。People with psoriasis有psoriasis的人 sometimes feel embarrassed有時候會覺得不好意思; it helps to know it is medical, not dirty如果知道這是醫學問題，不是不乾淨，會比較好過一點。