What Drugs Interact With Fioricet?
What Drugs Interact With Fioricet? What drugs interact with Fioricet? Some products that may interact with this drug include: darunavir, sodium oxybate, isoniazid, ketoconazole, levoketoconazole, lithium, phenothiazines (such as chlorpromazine). This drug can speed up the removal of other drugs from your body by affecting certain liver enzymes. What drugs interact with butalbital? Benadryl (diphenhydramine)