与“禁忌症”相对，是指适合于某种治疗措施的疾病indication

• 治疗用药也必须有适应症，随意用药往往会造成皮肤伤害。

  Indications must be present for treatment with medication; taking medication as one pleases can often cause skin damage.

• 凡食疗均有一定对象和适应症。

  All diet therapies have certain objectives and indications.