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Flucloxacillin Sodium

Written By Dr. Anuj SainiReviewed By Dr. Rajeev Sharma
Last updated 25 Nov 2025 | 09:34 AM (UTC)

Flucloxacillin Sodium Uses

Flucloxacillin Sodium is used in the treatment of bacterial infections.

How Flucloxacillin Sodium works

Flucloxacillin Sodium is an antibiotic. It kills bacteria by preventing them from forming their own protective covering (cell wall) which is needed for them to survive. This treats your infection.

Common side effects of Flucloxacillin Sodium

Gastrointestinal disturbance
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Expert advice for Flucloxacillin Sodium

  • You have been prescribed Flucloxacillin Sodium 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 Flucloxacillin Sodium 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 Flucloxacillin Sodium

Although it is rare but yes, Flucloxacillin Sodium 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.