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Formulation: ER Tablet
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Prescription Required
Formulation: ER Tablet
(Generic Alternative)
Select the prescribed dosage
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Biaxin XL contains the active ingredient clarithromycin. It is an extended-release prescription antibiotic used to treat certain bacterial respiratory infections in adults.
Biaxin XL may be used to treat a bacterial worsening of chronic bronchitis.
Chronic bronchitis causes ongoing inflammation and mucus production in the airways. When certain bacteria cause the condition to suddenly become worse, symptoms may include:
Biaxin XL helps treat the bacterial infection causing the worsening symptoms.
Biaxin XL may also be used to treat acute bacterial maxillary sinusitis.
This is a bacterial infection affecting the sinus cavities around the cheeks.
Symptoms may include:
Biaxin XL is only effective when the infection is caused by bacteria that are susceptible to clarithromycin.
Biaxin XL is also indicated for certain cases of community-acquired pneumonia in adults.
Community-acquired pneumonia is a lung infection that develops outside of a hospital or other healthcare facility.
Symptoms may include:
Cough
Biaxin XL may be used when the pneumonia is caused by susceptible bacteria, including certain common and atypical bacteria.
Biaxin XL belongs to a class of antibiotics called macrolides.
Clarithromycin works by attaching to bacterial ribosomes, which are structures bacteria use to make proteins.
By blocking bacterial protein production, Biaxin XL slows or stops the bacteria from growing. This allows the body’s immune system to help clear the infection.
Biaxin XL is an extended-release tablet, which means clarithromycin is released gradually over time.
Because of this, Biaxin XL has different dosing and administration instructions from immediate-release Biaxin tablets.
The formulations should not automatically be substituted for one another without guidance from a healthcare provider.
Biaxin XL is specifically indicated in adults for:
Other clarithromycin formulations may be used for additional infections, but those uses should not automatically be applied to Biaxin XL. In particular, treatment of H. pylori and certain skin infections are associated with other clarithromycin formulations rather than Biaxin XL.
Biaxin XL only works against susceptible bacteria.
It does not treat viral illnesses such as the common cold or influenza.
Using antibiotics when they are not needed can contribute to antibiotic resistance, which can make bacterial infections more difficult to treat in the future.
Biaxin XL is an extended-release tablet taken by mouth once daily with food.
Taking it with food helps your body absorb the medication properly. Try to take Biaxin XL at about the same time each day.
Swallow Biaxin XL tablets whole.
Do not:
Crush the tablets
Damaging the tablet can interfere with the extended-release system and cause the medication to be released too quickly.
For adults with one of the respiratory infections Biaxin XL is approved to treat:
Usual dose: 1,000 mg once daily, taken as two 500 mg extended-release tablets.
The length of treatment depends on the infection being treated.
Acute Bacterial Exacerbation of Chronic Bronchitis
Dose: 1,000 mg once daily.
Treatment duration: Usually 7 days.
Community-Acquired Pneumonia
Dose: 1,000 mg once daily.
Treatment duration: Usually 7 days.
Acute Maxillary Sinusitis
Dose: 1,000 mg once daily.
Treatment duration: Usually 14 days.
Continue taking Biaxin XL for the full length of time prescribed, even if you start feeling better after a few days.
Stopping an antibiotic too early may allow some bacteria to survive, which can cause the infection to return and may contribute to antibiotic resistance.
If you miss a dose of Biaxin XL, take it as soon as you remember.
If it is almost time for your next scheduled dose, skip the missed dose and continue with your regular schedule.
Do not take two doses at the same time or take extra Biaxin XL to make up for a missed dose.
People with significant kidney impairment may need a lower dose or a different dosing schedule.
Tell your healthcare provider if you have kidney disease before starting Biaxin XL.
Take Biaxin XL exactly as prescribed.
Do not take a larger dose, use it more often, or continue it longer than recommended.
Tell your healthcare provider if your infection does not improve, becomes worse, or returns after treatment.
Biaxin XL (Clarithromycin) is available in the following forms and strength:
Biaxin XL can rarely cause a serious allergic reaction.
Seek immediate medical attention if you develop:
Clarithromycin should be stopped and evaluated promptly if a serious allergic reaction occurs.
Biaxin XL can cause diarrhea.
In some cases, antibiotic treatment can allow an overgrowth of Clostridioides difficile (C. difficile) bacteria in the colon. This may cause severe diarrhea and inflammation of the colon.
Contact your healthcare provider promptly if you develop:
Biaxin XL can cause liver injury, including rare cases of serious or life-threatening liver failure.
Contact your healthcare provider promptly if you develop:
Treatment may need to be stopped if signs of hepatitis or liver injury develop.
Biaxin XL can affect the electrical activity of the heart and may cause QT prolongation.
This can lead to a serious abnormal heart rhythm called torsades de pointes in susceptible patients.
Tell your healthcare provider if you have:
Seek medical attention if you develop fainting, severe dizziness, or a fast or irregular heartbeat.
Biaxin XL is not typically described as directly causing low potassium.
However, having low potassium or low magnesium before or during treatment can increase the risk of dangerous heart rhythm problems.
Your healthcare provider may monitor electrolyte levels if you have other medical conditions or take medications that can lower potassium or magnesium.
Biaxin XL can interact with many medications.
Some interactions can cause dangerously high medication levels or increase the risk of serious side effects.
Important interactions may occur with certain:
Tell your healthcare provider about all prescription medications, over-the-counter products, vitamins, supplements, and herbal products you use.
Some combinations should be avoided completely.
Clarithromycin can increase the risk of hypoglycemia, especially when used with certain diabetes medications.
Watch for symptoms such as:
If you have diabetes, your healthcare provider may recommend closer blood sugar monitoring during treatment.
Some people may experience nervous system side effects while taking Biaxin XL, including:
Use caution with driving or other activities that require full alertness if you feel dizzy or confused.
Hearing loss or ringing in the ears has been reported in some people taking clarithromycin.
The risk may be greater if you already have hearing problems or take other medications that can affect hearing.
Contact your healthcare provider if you notice:
Clarithromycin may worsen symptoms of myasthenia gravis.
Tell your healthcare provider if you have this condition before taking Biaxin XL.
Contact your healthcare provider if you develop increased muscle weakness, difficulty swallowing, or breathing problems.
Tell your healthcare provider if you have coronary artery disease or other significant heart disease.
Some studies have found a possible increased risk of death in people with coronary artery disease after clarithromycin treatment, so your healthcare provider will consider the benefits and risks before prescribing it.
Tell your healthcare provider if you are pregnant, planning to become pregnant, or breastfeeding. Biaxin XL should only be used during pregnancy when the expected benefits outweigh the possible risks. Your healthcare provider will decide whether clarithromycin is appropriate based on the infection being treated and your individual health needs. Clarithromycin can pass into breast milk. If you are breastfeeding, your healthcare provider will consider the benefits of treatment and any possible effects on the nursing infant.
Yes. Biaxin XL should be taken with food. Taking the extended-release tablet with a meal helps your body absorb the medication properly. Swallow the tablet whole and do not crush, chew, or split it.
Store Biaxin XL at room temperature, away from excess heat, moisture, and direct light. Keep the tablets in their original container and out of reach of children and pets. Avoid storing the medication in damp areas such as the bathroom.
No. Continue taking Biaxin XL for the full length of time prescribed, even if your symptoms improve before you finish the medication. Stopping an antibiotic too early may allow some bacteria to survive, which can cause the infection to return and may contribute to antibiotic resistance. If you are having side effects or want to stop treatment early, speak with your healthcare provider first.
No. Biaxin XL is an extended-release tablet and should be swallowed whole. Do not crush, chew, break, or split the tablet because this can interfere with the extended-release system and cause the medication to be released too quickly. If you have difficulty swallowing the tablet, speak with your healthcare provider or pharmacist about your options.
| Generic name: | Clarithromycin |
|---|---|
| Formulation: | ER Tablet, Tablet |
| Strength(s): | 500mg |
| Quantities Available: | 60, 84 |
Our online Canadian Pharmacy is known for high standards of quality, safety, and efficiency when it comes to medications.
Our pharmacy offers lower prices on prescription drugs compared to traditional pharmacies.
When ordering Biaxin XL (clarithromycin) from a Canadian pharmacy, you can typically purchase up to a 90-day supply at one time, which is common for prescription medications to ensure adequate management of conditions without frequent refills.
Here’s what you need to know:
Dosage and Quantity: Biaxin XL is commonly prescribed in dosages of 500 mg, taken once daily. For a 90-day supply, this means you would order 90 tablets (90 days x 1 tablet per day).
Yes, we sell clarithromycin on our website. You can enjoy low prices when you order through us. To purchase clarithromycin, you will need a valid prescription from your healthcare provider. We require this prescription to dispense the medication safely and appropriately. You can submit your prescription by mailing it to us, faxing it, or uploading it through your online account.
Yes, we ship Biaxin XL (clarithromycin) to both the United States and Puerto Rico.
Watch how Online Pharmacies Canada is helping customers save money on their medications.
Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Biaxin XL (Clarithromycin). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Biaxin XL (Clarithromycin).
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