| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is codeine a control drug | 1.27 | 0.1 | 1814 | 94 |
| is codeine a controlled drug nhs | 1.84 | 0.4 | 5576 | 52 |
| codeine controlled drug schedule | 1.77 | 0.8 | 6209 | 86 |
| codeine is a drug | 1.36 | 0.3 | 7904 | 29 |
| is codeine a prescription drug | 0.55 | 0.9 | 6970 | 81 |
| codeine is which type of drug | 1.92 | 0.8 | 9756 | 57 |
| what drug type is codeine | 1.67 | 0.8 | 3986 | 17 |
| what kind of medication is codeine | 0.28 | 1 | 8118 | 34 |
| is codeine a narcotics | 1.43 | 0.6 | 8467 | 53 |
| is codeine a pro drug | 1.32 | 0.4 | 2525 | 73 |
| codeine is what class of drug | 0.7 | 0.3 | 7659 | 12 |
| what classification of drug is codeine | 1.47 | 0.8 | 6389 | 14 |
| what drug category is codeine in | 1.66 | 0.5 | 9114 | 15 |
| is codeine an over the counter drug | 0.11 | 1 | 6937 | 100 |
| codeine is otc or prescribed | 0.92 | 0.8 | 8663 | 92 |
| what is codeine used to treat | 0.19 | 0.5 | 2622 | 99 |
| codeine falls into which class of drugs | 1.73 | 0.5 | 9885 | 11 |
| is codeine an agonist | 1.11 | 0.2 | 7117 | 90 |
| is codeine still prescribed | 1.63 | 1 | 4902 | 43 |
| what medications have codeine in it | 0.86 | 0.8 | 7027 | 18 |
| what is the definition of codeine | 1.4 | 0.8 | 9839 | 100 |
| medical use of codeine | 0.58 | 0.1 | 943 | 88 |
| what kind of medicines contains codeine | 1.38 | 0.8 | 7056 | 47 |
