Introduction to Side EffectsMost 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.