Epiven Drug Interactions



Novell Pharma


Averroes Pharma
Full Prescribing Info
Drug Interactions
No interaction between gabapentin and phenobarbital, phenytoin, valproic acid, or carbamazepine has been observed. Gabapentin steady-state pharmacokinetics are similar for healthy subjects and patients with epilepsy receiving these antiepileptic agents.
Coadministration of gabapentin with oral contraceptives containing norethindrone and/or ethinyl estradiol, does not influence the steady-state pharmacokinetics of either component.
Renal excretion of gabapentin is unaltered by probenecid.
The absorption of gabapentin from the gastrointestinal tract is reduced by antacids containing aluminium with magnesium; it is recommended that gabapentin is taken at least 2 hours after any such antacid. Morphine has been reported to reduce the clearance of gabapentin; patients receiving both drugs should be monitored for signs of CNS depression and doses should be reduced accordingly. Cimetidine has also been reported to reduce the renal clearance of gabapentin but licensed product information does not consider this to be of clinical importance.
Concurrent use of gabapentin and the following may result in reduced anticonvulsant effectiveness: Ginkgo, Evening Primrose, Ketorolac.
Concurrent use of gabapentin and hydrocodone may result in decreased bioavailability of hydrocodone.
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