Dicloxacillin

Generic name: dicloxacillin [ dye-klox-a-SIL-in ]
Brand names: Dycill, Dynapen
Dosage form: oral capsule (250 mg; 500 mg)
Drug class:Penicillinase resistant penicillins

Medically reviewed by Drugs.com on Sep 9, 2021. Written by Cerner Multum.

What is dicloxacillin?

Dicloxacillin is a penicillin antibiotic that fights bacteria in your body.

Dicloxacillin is used to treat many different types of infections caused by bacteria such as bronchitis, pneumonia, or staphylococcal (also called "staph") infections.

Dicloxacillin may also be used for purposes not listed in this medication guide.

Warnings

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Before taking this medicine

You should not use dicloxacillin if you are allergic to dicloxacillin or to any other penicillin antibiotic, such as:

• amoxicillin;

• ampicillin;

• carbenicillin;

• oxacillin; or

• penicillin.

To make sure dicloxacillin is safe for you, tell your doctor if you have:

• asthma;

• a stomach illness (nausea, vomiting, digestive problems);

• liver diseas...