Omeprazole Magnesium + Methotrexate Interaction
Majorinteraction on record
Description
Concomitant use, especially at high dose, may elevate and prolong serum concentrations of methotrexate and hydroxymethotrexate, possibly leading to methotrexate toxicities.
Mechanism
Increased serum concentrations and prolonged exposure
Source: NLP:omeprazole magnesium