Avandia drug interactions with other medications, such as certain seizure medications, rifampin, and ritonavir, can potentially lead to problems. Some of these drug interactions can either increase or decrease the amount of Avandia in your blood, potentially increasing your risk of side effects or decreasing the effectiveness of Avandia.
Taking Avandia with atanazavir can increase the level of Avandia in your blood, increasing your risk of side effects.
Your healthcare provider may need to decrease your dose of Avandia.
Certain Seizure Medications
Taking Avandia with certain seizure medications can decrease the level of Avandia in your blood, perhaps making it less effective. Your healthcare provider may need to increase your dose of Avandia.