Cloxacillin

Last updated 25 Nov 2025 | 09:34 AM (UTC)

Cloxacillin Uses

Cloxacillin is used in the treatment of bacterial infections.

How Cloxacillin works

Cloxacillin is an antibiotic. It kills bacteria by preventing them from forming their own protective covering (cell wall) which is needed for them to survive.

Common side effects of Cloxacillin

Rash, Injection site reactions (pain, swelling, redness), Vomiting, Allergic reaction, Nausea, Diarrhea

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Medicine brands for Cloxacillin

Osper Formulations Pvt Ltd

Biochem Pharmaceutical Industries

Novo Medi Sciences Pvt Ltd

₹167 to ₹330

2 variant(s)

Neoclox

Neon Laboratories Ltd

₹9 to ₹24

3 variant(s)

Expert advice for Cloxacillin

You have been prescribed Cloxacillin for the treatment of bacterial infections.
It is given by an injection into a vein or muscle, or via a drip into a vein.
Finish the prescribed course, even if you start to feel better. Stopping it early may make the infection come back and harder to treat.
Diarrhea may occur as a side effect but should stop when your course is complete. Inform your doctor if it doesn't stop or if you find blood in your stools.
Inform your doctor immediately if you develop an itchy rash, swelling of the face, throat or tongue or breathing difficulties while taking this medicine.
You have been prescribed Cloxacillin for the treatment of bacterial infections.
It is given by an injection into a vein or muscle, or via a drip into a vein.
Finish the prescribed course, even if you start to feel better. Stopping it early may make the infection come back and harder to treat.
Diarrhea may occur as a side effect but should stop when your course is complete. Inform your doctor if it doesn't stop or if you find blood in your stools.
Inform your doctor immediately if you develop an itchy rash, swelling of the face, throat or tongue or breathing difficulties while taking this medicine.

Frequently asked questions for Cloxacillin

Q. Can Cloxacillin cause allergic reaction?

Although it is rare but yes, Cloxacillin can cause allergic reaction and is harmful in patients with known allergy to penicillins. Get emergency medical help if you have any of the signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Q. Is it safe to use Cloxacillin for long term?

Cloxacillin should be used as long as prescribed by your doctor. Cloxacillin is usually considered to be safe when taken in the recommended dose and duration.

Q. How long does Cloxacillin takes to work?

Usually, Cloxacillin starts working soon after taking it. However, it may take around 2-3 days to make you feel better while taking Cloxacillin.

Q. What if I don't get better after using Cloxacillin?

Inform your doctor if you don't feel better after finishing the full course of treatment. Also, inform him if your symptoms are getting worse while using this medicine.

Q. Can I stop taking Cloxacillin when my symptoms are relieved?

No, do not stop taking Cloxacillin and finish the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cleared.