Apothecary Abbreviations

Question 1

Minim

Answer 1

Abbreviated m

Approximately the size of one drop. 1cc=16m on some syringes.

Question 2

Dram

Answer 2

Abbreviated dr

A liquid measure slightly less than a household teaspoon. 1dr=4ml

Question 3

Grain

Answer 3

Abbreviated gr

60mg=1 gr except with acetaminophen and aspirin where 65mg=1gr

Question 4

Drop

Answer 4

Abbreviated gtt

A liquid measure that was based on a drop of water
1gtt=1m
This term is used in ordering eye medications