Brand names: Amoxil
4 interactions on record
7.1 Probenecid Probenecid decreases the renal tubular secretion of Amoxicillin. Concurrent use of Amoxicillin and probenecid may result in increased and prolonged blood levels of Amoxicillin. 7.2 Oral Anticoagulants Abnormal prolongation of prothrombin time (increased international normalized ratio [INR]) has been reported in patients receiving Amoxicillin and oral anticoagulants.
Source: FDA drug label - amoxicillin oral susp
7.6 Effects on Laboratory Tests High urine concentrations of ampicillin may result in false-positive reactions when testing for the presence of glucose in urine using CLINITEST® (manufactured by Miles, Inc.), Benedict’s Solution, or Fehling’s Solution. Following administration of ampicillin or Amoxicillin to pregnant women, a transient decrease in plasma concentration of total conjugated estriol, estriol-glucuronide, conjugated estrone, and estradiol has been noted.
Source: FDA drug label - amoxicillin oral susp
7.5 Other Antibacterials Chloramphenicol, macrolides, sulfonamides, and tetracyclines may interfere with the bactericidal effects of penicillin.
Source: FDA drug label - amoxicillin oral susp
7.4 Oral Contraceptives Amoxicillin may affect the gut flora, leading to lower estrogen reabsorption and reduced efficacy of combined oral estrogen/progesterone contraceptives.
Source: FDA drug label - amoxicillin oral susp