noun
skin rash; eruption; efflorescence
Medical term for any visible skin eruption, including rashes, spots, or lesions. Used in clinical contexts.
薬の副作用で皮疹が出た。
I developed a skin rash as a side effect of the medication.
医師は皮疹の状態を詳しく調べた。
The doctor examined the condition of the skin eruption in detail.