Metronidazole Vaginal Gel, 1.3 % has 6 known drug interactions based on U.S. FDA drug labeling data. Of these, 1 are contraindicated combinations that should be avoided entirely. 3 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Disulfiram, Lithium, Oral Anticoagulants. Patients taking Metronidazole Vaginal Gel, 1.3 % should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 6
- Contraindicated
- 1
- Major
- 3
- Moderate
- 1
Contraindicated (1)
- Metronidazole Vaginal Gel, 1.3 % + Disulfiram— Psychotic reactions reported in alcoholic patients using disulfiram concurrently with oral metronidazole. Should not be …
Major (3)
- Metronidazole Vaginal Gel, 1.3 % + Lithium— Elevation of plasma lithium concentrations and signs of lithium toxicity reported with oral metronidazole use.
- Metronidazole Vaginal Gel, 1.3 % + Oral Anticoagulants— Prolonged anticoagulant effects reported with oral metronidazole co-administration, resulting in prothrombin time prolon…
- Metronidazole Vaginal Gel, 1.3 % + Warfarin— Prolonged anticoagulant effects and prothrombin time prolongation reported with oral metronidazole co-administration.
Moderate (1)
- Metronidazole Vaginal Gel, 1.3 % + Cimetidine— May prolong metronidazole half-life and decrease plasma clearance; no dose adjustment of metronidazole vaginal gel neces…