Other Medications That React With Doxycycline

Carbamazepine
Carbamazepine may decrease the level of doxycycline in the blood, perhaps making it less effective. Check with your healthcare provider before taking doxycycline with carbamazepine.
 
Eplerenone
Doxycycline may increase the level of eplerenone in the blood, perhaps increasing the risk of side effects of eplerenone. Check with your healthcare provider before taking these medications together.
 
Fentanyl
Doxycycline may increase the level of fentanyl in the blood, perhaps increasing the risk of fentanyl side effects. Check with your healthcare provider before taking these medications together.
 
Maraviroc
Doxycycline may increase the level of maraviroc in the blood, perhaps increasing the risk of side effects of maraviroc. Check with your healthcare provider before taking these medications together.
 
Oral Typhoid Vaccine
Doxycycline may decrease the effectiveness of the oral typhoid vaccine. If you have taken doxycycline recently or are currently taking doxycycline, your oral typhoid vaccine may need to be postponed for at least a day after finishing doxycycline.
 
Penicillins
Doxycycline may make penicillin antibiotics less effective. Check with your healthcare provider before combining doxycycline with a penicillin medication.
 
Phenytoin
Phenytoin may decrease the level of doxycycline in the blood, perhaps making it less effective. Check with your healthcare provider before taking doxycycline with phenytoin.
 
Quinapril
Quinapril may decrease the absorption of doxycycline, perhaps making it less effective. Separate your doses of doxycycline and quinapril by as much time as possible (at least two hours).

Doxycycline Antibiotic Information

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