| medicines fall into how many categories | 0.36 | 0.6 | 2101 | 39 | 23 |
| how many drug categories are there | 1.21 | 0.9 | 9986 | 34 | 34 |
| how many different medicines are there | 1.09 | 0.4 | 5966 | 38 | 30 |
| three main categories of medicines | 0.86 | 0.3 | 1261 | 34 | 84 |
| different categories of medications | 1.76 | 0.4 | 3139 | 35 | 55 |
| how many types of medication are there | 1.25 | 0.4 | 8797 | 38 | 91 |
| how many types of medicine | 1.65 | 0.9 | 1992 | 26 | 66 |
| what are the 4 categories of medicines | 0.64 | 0.7 | 1112 | 38 | 37 |
| what are medication categories | 1.14 | 0.2 | 2581 | 30 | 84 |
| different categories of medicine | 1.93 | 0.6 | 1512 | 32 | 70 |
| how many different medications are there | 0.27 | 0.1 | 3270 | 40 | 93 |
| how many forms of medication are there | 1.69 | 0.4 | 627 | 38 | 1 |
| how many classes of medications are there | 0.6 | 0.1 | 6511 | 41 | 66 |
| different classifications of medicines | 0.46 | 1 | 9990 | 38 | 79 |
| categories of every drug | 1.62 | 0.8 | 8660 | 24 | 90 |
| classification of medicines includes | 0.87 | 1 | 3912 | 36 | 25 |
| different classifications of medications | 1.61 | 0.5 | 266 | 40 | 12 |
| major categories of drugs | 0.43 | 0.4 | 1256 | 25 | 1 |
