Side effect

/sˈaɪd ɪfˈɛkt/

[noun]

Side effect

[NOUN]

a result of a situation or action that was not meant to happen

synonyms : fallout

a secondary effect of any drug or medicine, usually an undesirable one

Examples

1. The pharmacist explained the side effects of the medication.

2. Some medications can have side effects, so read the instructions carefully

3. The side effects of a medication may be worse than the symptoms of the illness it was intended to treat, showing how the cure is worse than the disease.

4. All medications have side effects.