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Biaxin XL

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Formulation : ER Tablet
Drug Name Dosage Quantity Price Buy Now
Biaxin XL 500mg 84 $139.10 Add To Cart
Biaxin XL
Dosage: 500mg
Quantity: 84
Price: $139.10

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Formulation : Tablet
Drug Name Dosage Quantity Price Buy Now
Clarithromycin 500mg 60 $116.20 Add To Cart
Dosage: 500mg
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Biaxin XL is an antibiotic medication used to treat various bacterial infections of the skin and respiratory system. The medication is sometimes used to treat stomach ulcers alongside other medications.

Clarithromycin is a macrolide antibiotic that prevents the growth and spread of bacterial cells in your body. This action allows Biaxin XL to help treat bacterial infections when taken orally. The drug is effective against strains of bacteria that affect the skin and respiratory tract, meaning that it can help a variety of infections.

Dosage and Administration

The dose of Biaxin XL that you are prescribed will vary depending on your tolerability and the severity of the infection being treated. Follow all your healthcare provider’s instructions and read packaging labels carefully to ensure the best results from treatment. Do not take more than prescribed for a different length of time than recommended.

  • Swallow tablets whole, do not crush or chew
  • Take with food at the same times each day
  • Most adults take 1000mg once daily for 7 to 14 days
  • Those treating acute bacterial exacerbations of chronic bronchitis and community-acquired pneumonia usually continue treatment for 7 days
  • Those with acute maxillary sinusitis usually continue treatment for 14 days
  • Take Biaxin XL for the entire length of time that is prescribed, even if you feel well
  • Tell your healthcare provider if your condition worsens or persists
  • Store at room temperature away from children and pets

Side Effects

Biaxin XL may cause some side effects to develop while killing harmful bacteria in your body. Speak to your healthcare provider to learn more about any symptoms that you might experience.

Common Biaxin XL side effects:

  • Diarrhea
  • Nausea
  • Vomiting
  • Changes in taste

Serious Side Effects

Some more serious adverse reactions may occur during treatment with Biaxin XL. Contact your healthcare provider right away if you develop any of the following symptoms:

  • Hearing loss
  • Mental or mood changes
  • Muscle weakness
  • Eye problems like blurred vision
  • Difficulty speaking
  • Persistent nausea or vomiting
  • Severe stomach or abdominal pain
  • Dark urine
  • Jaundice
  • Severe dizziness
  • Fainting
  • Fast or irregular heartbeat

In rare instances, Biaxin XL has been found to cause a severe intestinal condition caused by bacteria that can occur during or following treatment. Tell your healthcare provider right away if you develop any of the following reactions:

  • Diarrhea that won’t stop
  • Pain or cramping in your abdomen or stomach
  • Blood or mucus in your stool

Allergic Reactions

Do not take Biaxin if you are allergic to clarithromycin or similar antibiotics like azithromycin, erythromycin, or telithromycin. Stop using this medication and contact your healthcare provider right away if you develop an allergic reaction such as:

  • Rash
  • Itching or swelling of your face, tongue, or throat
  • Severe dizziness
  • Trouble breathing
  • Fever
  • New or worse lymph node swelling


  • Do not take Biaxin XL if you have ever had any of the following conditions:
    • Jaundice or liver issues caused by clarithromycin
    • Liver or kidney disease
    • If you take a medication called colchicine
  • To ensure your safety when taking Biaxin XL, tell your healthcare provider if you have ever had any of the following:
    • A heart disorder
    • Long QT syndrome
    • Coronary artery disease
    • Myasthenia gravis
    • Liver or kidney disease
    • Diabetes
    • An electrolyte imbalance
  • Do not use Biaxin XL during pregnancy because the medication can harm an unborn child. Use effective birth control during treatment and contact your healthcare provider right away if you become pregnant.
  • Consult with your healthcare provider before using this medication while breastfeeding. Biaxin XL can pass into breast milk and may cause your nursing child to develop side effects.
  • Biaxin XL may cause you to develop a condition that affects your heart rhythm known as QT prolongation. In rare instances this can cause serious issues with your heart.
  • Tell your healthcare provider that you are using Biaxin XL before having any immunization or vaccinations because it can cause them to not work as well.
  • Antibiotic medications like Biaxin XL can cause you to develop diarrhea, which could indicate a new infection. If you experience bloody or watery diarrhea, contact your healthcare provider and do not use anti-diarrhea medication to treat it unless directed to do so.
  • Some drugs can interact with Biaxin XL and cause adverse reactions. Tell your healthcare provider about all the medications that you take, but especially any of the following:
    • Cisapride
    • Pimozide
    • Lomitapide
    • Lovastatin or simvastatin
    • Ergotamine or dihydroergotamine
  • Biaxin XL is not an approved treatment for anyone under the age of 6 months.

Form and Strength

This antibiotic medication is available in extended-release tablets.

  • Biaxin XL tablet strengths:
    • 500mg

The 500mg Biaxin XL extended-release tablets are available in quantities of


Do you need to take Biaxin XL with food?

It is recommended that you take your doses of Biaxin XL with food. The extended-release tablets should be swallowed whole, not crushed or chewed, to ensure that the medication functions as designed. Follow all your healthcare provider’s directions for the best therapeutic response from treatment.

Can Biaxin cause headaches?

Yes, a possible side effect of taking Biaxin XL includes headaches. These tend to be transient and improve after time and when treatment is finished. Speak to your healthcare provider to learn about other symptoms that you might experience during treatment with Biaxin XL.



Additional information

Brand Name:

Biaxin XL

Scientific Name:


Other Names:

Clarithromycin XL, Klacid MR



Quantities Available:

60, 84


ER Tablet, Tablet