A harmless medicine or procedure -which has no physiological effect- that is prescribed for its positive psychological effects on patients.

A diuretic that works by blocking or reducing the naturally occurring levels of the protein carbonic anhydrase.  Used to treat glaucoma, epilepsy, headaches and fluid retention.

An analgesic (painkiller) drug used to treat minor to moderate pains (headaches, arthritis, etc.) and also to reduce fever. Brand Name: Tylenol