Side Effects

Side Effects are secondary, typically undesirable effects of a drug or medical treatment.[1]

Introduction to Side Effects

Most side effects are undesirable secondary effects experienced when using a drug or medication, some potentially dangerous or life-threatening. However, some side effects sometimes produce unexpected and potentially beneficial effects or unexpected. Examples of this are:
  • Minoxidil: Created as and anti-hypertension medication and vasodilator. However it was discovered that it could be used in the treatment of alopecia or hair loss.
  • Bupropion: Originally as a NDRI and antidepressant, was discovered to antagonize the nicotine receptors, effectively blocking the effects of cigarette and tobacco products. Has been marketed as Zyban for smoking cessation.


  1. ^New Oxford American Dictionary

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