| Nazwa handlowa | Nazwa międzynarodowa |
| Ibufen | IBUPROFENUM |
| Ibumetin retard | IBUPROFENUM |
| Ibuprofen | IBUPROFENUM |
| Ibuprom | IBUPROFENUM |
| Ibusan 200 | IBUPROFENUM |
| Ibusan 400 | IBUPROFENUM |
| Ibustrin | INDOBUFENUM |
| Ibutop | IBUPROFENUM |
| Ideos | CALCII CARBONAS + CO |
| Ifapidin | TICLOPIDINI HYDROCHL |
| Imipramin | IMIPRAMINI HYDROCHLO |
| Imodium | LOPERAMIDI HYDROCHLO |
| Imovax Polio | POLIOMYELITIS, TRIVA |
| Indapen | INDAPAMIDUM |
| Indapsan | INDAPAMIDUM |
| Indobufen | INDOBUFENUM |
| Indocid | INDOMETACINUM |
| Infanrix DTPa | DIPHTHERIA-TETANUS-P |
| Insulin Ultratard HM | INSULIN |
| Insuman Rapid | INSULIN |
| Intal | NATRII CROMOGLICAS |
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| Spis leków na litere: I. Znaleziono 34 leków             | |