| IRON DEXTRAN | 2 NDC codes |
| Iron, Folate | 1 NDC codes |
| iron, folic acid, cyanocobalamin, ascorbic acid, and docusate sodium | 1 NDC codes |
| IRON, FOLIC ACID, VITAMIN/MINERAL SUPPLEMENT | 1 NDC codes |
| iron sucrose | 6 NDC codes |
| Iron Sucrose | 20 NDC codes |
| IRON SUCROSE | 3 NDC codes |
| Iron Sucrose Complex | 3 NDC codes |
| Iron Sucrose Complex Solution | 1 NDC codes |
| Iron sucrose liquid | 1 NDC codes |
| Irregular Pulse Drops | 1 NDC codes |
| IS5MN 70% Lactose 200 30% | 1 NDC codes |
| IS5MN 80% Lactose 200 20% | 1 NDC codes |
| IS5MN 90% Lactose 200 10% | 1 NDC codes |
| isatuximab | 5 NDC codes |
| ISATUXIMAB | 1 NDC codes |
| isatuximab-irfc | 1 NDC codes |
| isavuconazonium sulfate | 6 NDC codes |
| Isavuconazonium sulfate | 3 NDC codes |
| Isavuconazonium Sulfate | 1 NDC codes |
| ISAVUCONAZONIUM SULFATE | 3 NDC codes |
| ISAVUCONAZONIUM SULFATE (KYO) | 1 NDC codes |
| ishancare anti-fungal treatment | 1 NDC codes |
| iShancare Anti-itch Cream | 2 NDC codes |
| ishancare athletes foot Cream | 1 NDC codes |
| iShancare Baby Eczema Cream | 2 NDC codes |
| iShanCare Balanitis Cleansing | 2 NDC codes |
| ishancare bed and pressure sore | 1 NDC codes |
| ishancare diabetic wound and sores cream | 1 NDC codes |
| iShanCare Folliculitis Cleansing | 2 NDC codes |
| iShanCare Hemorrhoid Cream | 3 NDC codes |
| ishancare jock itch treatment | 1 NDC codes |
| iShanCare Ringworm Cleansing | 1 NDC codes |
| iShancare ringworm treatment | 1 NDC codes |
| iShancare Seborrheic Dermatitis Cream | 1 NDC codes |
| iShanCare Vaginal Antibacterial Gel | 1 NDC codes |
| ishancare wound care ointment | 1 NDC codes |
| ISLATRAVIR MONOHYDRATE | 1 NDC codes |
| isocarboxazid | 1 NDC codes |
| Isocarboxazid | 1 NDC codes |
| Isoconazole Nitrate | 1 NDC codes |
| Isoflupredone Acetate | 1 NDC codes |
| isoflurane | 1 NDC codes |
| Isoflurane | 12 NDC codes |
| ISOLEUCINE, LEUCINE, LYSINE ACETATE, METHIONINE, PHENYLALANINE, THREONINE, TRYPTOPHAN, VALINE, ALANINE, ARGININE, ASPARTIC ACID, GLUTAMIC ACID, GLYCINE, HISTIDINE, PROLINE, SERINE, TAURINE, and TYROSINE | 2 NDC codes |
| ISOLEUCINE, LEUCINE, LYSINE ACETATE, METHIONINE, PHENYLALANINE, THREONINE, TRYPTOPHAN, VALINE, ALANINE, ARGININE, ASPARTIC ACID, GLUTAMIC ACID, HISTIDINE, PROLINE, SERINE, N-ACETYLTYROSINE, and GLYCINE | 2 NDC codes |
| ISOLEUCINE, LEUCINE, LYSINE ACETATE, METHIONINE, PHENYLALANINE, THREONINE, TRYPTOPHAN, VALINE, CYSTEINE HYDROCHLORIDE, HISTIDINE, TYROSINE, N-ACETYL-TYROSINE, ALANINE, ARGININE, PROLINE, SERINE, GLYCINE, ASPARTIC ACID, GLUTAMIC ACID, and TAURINE | 1 NDC codes |
| isoniazid | 18 NDC codes |
| Isoniazid | 16 NDC codes |
| ISONIAZID | 3 NDC codes |