Flagyl can increase the level of eplerenone in your blood, perhaps raising your risk of side effects of eplerenone. Your healthcare provider may need to adjust your eplerenone dosage.
Flagyl can increase the level of lithium in your blood, increasing your risk for lithium toxicity. Your healthcare provider should measure the level of lithium in your blood a few days after you start Flagyl, as your lithium dosage may need to be adjusted.
Flagyl can increase the level of maraviroc in your blood, perhaps raising your risk of side effects of maraviroc. Your healthcare provider may need to adjust your maraviroc dosage.
Oral Typhoid Vaccine
Antibiotics (including Flagyl) may decrease the effectiveness of the oral typhoid vaccine. If you have taken Flagyl recently or are currently taking Flagyl, your oral typhoid vaccine may need to be postponed for at least a day after taking Flagyl.
Flagyl can increase the level of ranolazine in your blood, increasing your risk of serious side effects. These medications should not be taken together.
There have been reports that combining Flagyl with warfarin may increase the risk of bleeding. If you take these medications together, your healthcare provider may need to monitor you more closely.
It is possible that not all Flagyl drug interactions were discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about any specific drug interactions with Flagyl that may apply to you.