CLOXACILLIN (FOR INFECTION)

Cloxacillin belongs to a class of drugs called penicillin antibiotics. It works by stopping the growth of bacteria.

Staphylococcal infections resistant to benzylpenicillin.

Use with caution in patients with allergies (especially β-lactam allergy), asthma, history of seizure disorder, kidney impairment, and in pregnant and lactating women.

Upset stomach, nausea, vomiting, diarrhea, gas, and mouth sores may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Although uncommon, you may develop a black, “hairy” tongue while taking this medication. This effect is harmless and usually goes away after treatment. Maintain good oral hygiene, and brush your tongue with a soft toothbrush twice a day. Consult your doctor or pharmacist for more information.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Precautions

Before taking cloxacillin, tell your doctor or pharmacist if you are allergic to it; or to other antibiotics including penicillin-type medications (e.g., amoxicillin, ampicillin, penicillin) or cephalosporins (e.g., cephalexin, cefuroxime); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems.

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be more sensitive to this drug.

 

Interactions

Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: fusidic acid, live bacterial vaccines, methotrexate, tetracyclines, warfarin, khat, guar gum.

Although most antibiotics are unlikely to affect hormonal birth control such as pills, patch, or ring, a few antibiotics (such as rifampin, rifabutin) can decrease their effectiveness. This could result in pregnancy. If you use hormonal birth control, ask your doctor or pharmacist for more details.

Symptoms of overdose may include: severe vomiting, persistent diarrhea. Seek immediate medical care if overdose is suspected.

Available brands:

  • Pharex Cloxacillin (Pascual Lab)
  • RiteMED Cloxacillin (RiteMED)

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