side effect

• Unbeabsichtigte, meist unerwünschte Folge einer Handlung, eines Medikaments, einer medizinischen Behandlung oder eines technischen Vorgangs; in der Medizin speziell eine Nebenwirkung.

A secondary, typically undesirable consequence of a drug, medical treatment, or action, especially in medical or technical contexts.

1. Unintended medical reactionB2formal

   A secondary, typically undesirable effect of a drug or medical treatment.

   Nebenwirkung

   • The medication may cause drowsiness as a side effect.
   • Nausea is a common side effect of chemotherapy.
   • Always read the label to check for possible side effects.

2. Unintended consequenceB2formal

   A secondary or indirect result of an action or situation, often negative.

   Nebenwirkung

   • One side effect of the new policy was increased paperwork.
   • The side effect of the economic boom was higher inflation.
   • A side effect of the construction was constant noise pollution.