What is dicloxacillin used for? Dicloxacillin is an antibiotic that is commonly used for bacterial infections caused by certain bacteria. Dicloxacillin may not be appropriate for all infections.

Researchers have found an association between treatment with the antibiotic dicloxacillin and a decrease in international normalized ratio (INR; a measure of blood coagulation) levels among ...

Among patients taking phenprocoumon (n = 64), average INR levels were 2.6 before exposure to dicloxacillin compared with 2.3 after exposure, an average decrease of 0.3.