Ciprofloxacin Hydrochloride has 10 known drug interactions based on U.S. FDA drug labeling data. Of these, 2 are contraindicated combinations that should be avoided entirely. 5 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Ciprofloxacin, Tizanidine, Glibenclamide. Patients taking Ciprofloxacin Hydrochloride 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
- 10
- Contraindicated
- 2
- Major
- 5
- Moderate
- 3
Contraindicated (2)
- Ciprofloxacin Hydrochloride + Ciprofloxacin— Drug Interactions Ciprofloxacin is an inhibitor of human cytochrome P450 1A2 (CYP1A2) mediated metabolism. Co-administr…
- Ciprofloxacin Hydrochloride + Tizanidine— Concomitant administration is contraindicated due to potentiation of hypotensive and sedative effects of tizanidine.
Major (5)
- Ciprofloxacin Hydrochloride + Glibenclamide— Concomitant use potentiates glucose-lowering effect, with severe hypoglycemia and fatalities reported. Monitor blood glu…
- Ciprofloxacin Hydrochloride + Glimepiride— Concomitant use potentiates glucose-lowering effect, with severe hypoglycemia and fatalities reported. Monitor blood glu…
- Ciprofloxacin Hydrochloride + Phenytoin— Altered serum levels of phenytoin (increased and decreased) requiring monitoring to avoid loss of seizure control or ove…
- Ciprofloxacin Hydrochloride + Theophylline— Concurrent administration may result in increased risk of CNS or other adverse reactions due to increased plasma exposur…
- Ciprofloxacin Hydrochloride + Warfarin— Systemic quinolone administration enhances the effects of the oral anticoagulant warfarin and its derivatives.
Moderate (3)
- Ciprofloxacin Hydrochloride + Caffeine— Systemic quinolones including ciprofloxacin interfere with the metabolism of caffeine.
- Ciprofloxacin Hydrochloride + Cyclosporine— Transient elevations in serum creatinine may occur. Monitor renal function and serum creatinine.
- Ciprofloxacin Hydrochloride + Methotrexate— Ciprofloxacin may inhibit methotrexate elimination. Use with caution and monitor therapy.