Biaxin

(Clarithromycin)

Biaxin is a brand-name macrolide antibiotic used to treat a wide range of bacterial infections in adults and children. It is offered in several dosage forms: an immediate-release tablet and suspension given twice daily and an extended-release tablet taken once daily.

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Brand Versions

Biaxin Prescription Required

Strength
250mg
Country
Canada
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Biaxin Prescription Required

Strength
500mg
Country
Turkey
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Marketed as Klacid in Turkey

Generic Versions
What are generics?

Clarithromycin Prescription Required

Strength
250mg
Country
Canada
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Marketed as Ran-Clarithromycin in Canada

Clarithromycin Prescription Required

Strength
500mg
Country
United Kingdom
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Important information about Biaxin

How does Biaxin work?

The active ingredient in Biaxin is clarithromycin. It works by preventing bacteria from producing specific proteins within their cells. This prevents germs from growing and surviving.

How do you use Biaxin?

Follow all directions given to you by your doctor and read all documents provided, including the full Prescribing Information, FDA-Approved Product Labeling, Instructions for Use, and Medication Guide before using Biaxin. However, the following is a synopsis of the general guidelines for the use of Biaxin:

  • Do not take clarithromycin to treat any ailment that has not been diagnosed by a doctor. Do not share this medication with anyone, even if they have the same symptoms as you.
  • Immediate-release Biaxin tablets and suspension can be taken with or without food. Biaxin XL extended-release tablets should be taken with food.
  • Do not chew, crush, or break an extended-release tablet. Swallow it fully.
  • Biaxin XL is commonly prescribed for 7 to 14 days. Even if your symptoms resolve rapidly, continue to take this medication for the full duration. Skipping doses increases your risk of developing a drug-resistant infection. Clarithromycin does not treat viral infections like the flu or the common cold.
  • If your infection is being treated with a combination of antibiotics, follow your doctor's instructions for each one. Read the directions that come with each drug. Do not change your doses or prescription schedule without consulting your doctor first.

What are the side effects of Biaxin?

The most common side effects of Biaxin seen in clinical trials include:

  • Abdominal pain or stomach pain.
  • Nausea or vomiting.
  • Change in taste.
  • Headache.
  • Indigestion.
  • Difficulty sleeping.
  • Skin rash.
  • Fungal infection.

Some individuals may experience serious side effects while using Biaxin. These side effects may require immediate medical attention. If you experience any of the following, contact your healthcare provider or seek emergency medical help:

  • Serious skin or allergic reactions: hives, rash, blisters, fever, swelling of the lips or tongue, difficulty breathing, and skin reddening or peeling.
  • Symptoms of worsening liver issues or liver failure: stomach enlargement, loss of appetite, yellowing of the skin (jaundice) or whites of the eyes, disorientation, and black or dark urine.
  • Heart rhythm problems (QT prolongation, torsades de pointes, ventricular arrhythmia): chest pounding, difficulty breathing, irregular heartbeat, chest pain, and fainting or lightheadedness.
  • Infectious (C. difficile-related) diarrhea: fast heart rate, foul-smelling diarrhea, fever, nausea, and frequent bowel movements (up to 15 times per day).

These are not all of the possible side effects of Biaxin. You should always seek medical advice from your healthcare provider for any questions or concerns about your medical condition or treatment. Read all patient information, medication guides, or drug information sheets that come with this medication. You can also report adverse effects to the Food and Drug Administration at www.fda.gov/medwatch or 1-800-FDA-1088.

What are the warnings or precautions for Biaxin?

Before starting Biaxin, it is crucial to discuss any existing health conditions with your healthcare provider. You should be sure that your healthcare provider is aware of all your medical conditions, including if you have:

  • Take Biaxin for the complete prescribed period. Your symptoms may improve before the virus is fully resolved. Skipping doses may also increase your chance of developing antibiotic-resistant infections. Clarithromycin does not treat viral infections like the common cold or flu.
  • Biaxin should not be used if you are allergic to clarithromycin or comparable drugs such as azithromycin, erythromycin, or telithromycin, or if:
  • You developed jaundice or liver issues after using clarithromycin.
  • You have liver problems or kidney problems and are taking colchicine.

To ensure that Biaxin XL is safe for you, inform your doctor if you have ever had:

  • A cardiovascular condition or heart disease.
  • Long QT syndrome or heart rhythm issues in you or a family member.
  • Coronary artery disease (clogged arteries).
  • Myasthenia Gravis.
  • Liver disease.
  • Kidney disease.
  • Diabetes.
  • An electrolyte imbalance (for example, low potassium or magnesium levels in the blood).

Are there any contraindications with Biaxin?

If you have any of the following conditions or if any of the following apply to you, please notify your healthcare professional since Clarithromycin will not be safe to consume.

  • Severe allergy to macrolide antibiotics.
  • Severe liver issues connected with prior usage of clarithromycin.
  • Take pimozide, lovastatin, simvastatin (Zocor), Juxtapid (lomitapide), lurasidone (Latuda), or ergot derivatives (e.g., migraine medicines).
  • Taking colchicine (Colcrys, Mitigare) and having kidney or liver issues.

How long does it take Biaxin to work?

In most circumstances, Biaxin (clarithromycin) should relieve your infection's symptoms and make you feel better within a few days. Some infections may require more time to resolve their signs and symptoms. It is important that you take the full course of Biaxin. Do not stop taking it without talking to your healthcare provider first.

What interacts with Biaxin?

When Biaxin is taken with other prescription drugs, over-the-counter medications, vitamins, and supplements, it may change how they work or increase the frequency or severity of side effects. Make sure that you tell your healthcare professional about anything that you are taking to avoid any negative drug interactions, including:

  • Cisapride
  • Pimozide
  • Lovastatin
  • Atorvastatin
  • Simvastatin
  • Ergotamine
  • Dihydroergotamine
  • Ritonavir
  • Zidovudine
  • Amiodarone
  • Amoxicillin
  • Carbamazepine
  • Digoxin
  • Disopyramide
  • Fluconazole
  • Omeprazole
  • Quinidine
  • Rifabutin
  • Sildenafil
  • Terfenadine

What doses of Biaxin are available?

The typical dose of Biaxin or clarithromycin tablets is the following:

Immediate-Release Tablet & Suspension (Taken every 12 hours):

Bronchitis: 250–500 mg for 7–14 days

Sinus infection: 500 mg for 14 days

Pneumonia: 250 mg for 7–14 days

Strep throat & tonsillitis: 250 mg for 10 days

Skin infections: 250 mg for 7–14 days

HIV-related infections: 500 mg ongoing

Helicobacter pylori (H. pylori) along with other meds: 500 mg every 8–12 hours for 10–14 days

Children: 7.5 mg/kg (max adult dose) for 10 days

Extended-Release Tablet (Adults only) (Taken once daily):

Bronchitis & pneumonia: 1 gram for 7 days

Sinus infections: 1 gram for 14 days

If you miss a dose, Take your missed dose as soon as you recall. If your next planned dose is coming up soon, skip the missed dose. Do not take extra medication to make up for the missing dose.

How do I store Biaxin?

Store your Biaxin at room temperature and out of reach of children.

Which pharmaceutical company manufactures Biaxin?

The pharmaceutical company that manufactures Biaxin is Abbvie Pharmaceuticals.

Is there a generic version of Biaxin?

There are several lower-cost generic versions available of Biaxin.

How do I stop taking Biaxin?

Take Biaxin (clarithromycin) until you finish the prescription, even if you feel better. If you need to stop taking the medication, it is best to speak to your healthcare provider first.

Can Biaxin be used if I am pregnant?

Biaxin is not generally suggested in pregnant women due to the danger of complications and birth defects reported in animal studies. The possibility of injury to your newborn is unclear. If you are pregnant, your doctor may only give Biaxin if there are no safer alternatives and the benefits outweigh the risks. Inform your doctor if you are pregnant before taking the drug.

Can Biaxin be used if I am breast feeding?

Breastfeeding while taking clarithromycin is generally regarded as safe because the medicine levels are low in breast milk and unlikely to create side effects for your infant. However, if you are breastfeeding, tell your doctor before taking clarithromycin.

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Important information about buying Biaxin from UniversalDrugstore™

What happens after I place my order for Biaxin with Universal Drugstore?

Once you complete your order, we process, verify, and dispatch your medication. You’ll receive email updates at each stage, including tracking details once your order ships. If any additional documentation is needed (such as a valid prescription), we’ll contact you promptly. Once approved, your order is charged and delivered directly to your doorstep.

How long does it take to process and deliver my order for Biaxin?

Orders are typically processed within 1–3 business days once all required documents are received and approved. Standard delivery times range from 10–18 business days, depending on your location.

Can I track my order of Biaxin?

Yes! Once your medication ships, you will receive an email with tracking information so you can monitor your shipment every step of the way.

What should I do if there is an issue with my order for Biaxin?

Our Customer Care team is available 24/7 to assist with any order-related concerns or questions. If you experience delays, missing items, or need support, contact us using the details provided in your confirmation email.

How is my medication packaged to ensure privacy and safety?

All orders are shipped in discreet, plain packaging to protect your privacy. Medications are securely packaged to prevent damage and ensure they arrive in top condition.

Does Universal Drugstore ship medications that require refrigeration or special handling?

Yes. We use cold-chain shipping methods to safely transport temperature-sensitive medications, ensuring they maintain proper storage conditions throughout delivery.

What are the shipping costs, and does Universal Drugstore offer free delivery?

Shipping costs vary depending on your location and shipping method. Free shipping promotions may be available—check the checkout page for the latest offers. Orders above $100 going to a US destination will receive free shipping.

Does Universal Drugstore accept Medicare or Medicaid for prescriptions?

Currently, we do not bill Medicare or Medicaid directly. However, we provide detailed receipts and documentation that you can submit to your insurance provider for potential reimbursement.

Can I use private health insurance to cover my prescription from Universal Drugstore?

Universal Drugstore does not bill private health insurance directly, but we provide a detailed invoice that you can submit to your insurer for possible reimbursement. Many insurers will accept Unievrsal Drugstore’s documents, but if you have any questions, check with your insurance company prior to purchasing.

How secure is my payment information when ordering from Universal Drugstore?

We use advanced SSL encryption and secure payment processing to ensure that all transactions are 100% protected against fraud and unauthorized access.

Can I order a generic alternative to Biaxin?

Universal Drugstore offers many generic alternatives that provide the same active ingredients at a lower cost. Search for your medication and compare pricing for generic vs. brand-name options. Generic availability depends on the medication.

Do I need a prescription to order Biaxin?

If your medication requires a prescription, you must upload it online, via email, or fax. Over-the-counter (OTC) medications do not require a prescription. All prescription medication purchases require a valid and approved prescription.

Can I order multiple medications at once?

Yes! You can add multiple medications to your cart, including prescription, OTC, and pet medications, and complete your purchase in a single checkout process.

Can I refill my prescription through Universal Drugstore?

Yes! If your prescription includes refills, you can reorder quickly by logging into your account and selecting your medication for a hassle-free refill process. Always refill your medication proactively and ontime, to ensure you do not run out of important medication.

Does Universal Drugstore offer discounts or price matching?

Yes! We offer:

  • Up to 80% savings on medications
  • Price match guarantee – we’ll match competitor pricing on qualifying medications
  • 10% off your first order for new customers

How can I contact Universal Drugstore for additional support?

We offer 24/7 customer support via phone, email, and chat. Visit our Contact Us page for assistance with ordering, shipping, or medication questions.

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The information, including but not limited to, text, graphics, images and other material contained on this website are for informational purposes to increase health awareness only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. 



Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.