The Depression Center  
 
 

Depression Glossary

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

qd (as on a prescription): qd (sometimes written QD or q.d.) means one a day (from the Latin quaque die).

q_h (as on a prescription): From the Latin word "quaque (once) and "h" for number of hours. So, for example, if a medicine is to be taken every 6 hours, it is written "q_h 6".

Quality of Life: An increasingly important consideration in medicine. The goals of treatment are to reduce symptoms and improve quality of life.