M-Clarithromycin® Tablets and Suspension for Bacterial Infections

M-Clarithromycin is a macrolide antibiotic used to treat many bacterial infections. It helps by stopping bacteria from growing in the body. We offer US delivery from Canada so you can manage costs without insurance and keep therapy moving without delays.

What M-Clarithromycin Is and How It Works

M-Clarithromycin® belongs to the macrolide class. It blocks bacterial protein synthesis, which slows growth and helps your immune system clear the infection. It is often used for respiratory tract infections, some skin infections, and as part of combination therapy for H Pylori Infection. Border Free Health connects U.S. patients with licensed Canadian partner pharmacies; prescriptions are verified with prescribers before dispensing.

This medicine can be used alone for certain infections or with other agents when combination therapy is indicated. Clarithromycin 500 mg tablets may be chosen for adults when a higher dose is required per label guidance. Dosing is based on infection type, severity, and your clinician’s judgment.

It works best when taken for the full prescribed course. Stopping early may allow bacteria to persist. Always follow the official label and your prescriber’s directions for safe use.

Who It’s For

This treatment is used for adults and children with susceptible bacterial infections, including bronchitis, community-acquired pneumonia, sinusitis, pharyngitis, and skin structure infections. It may also be part of a multidrug regimen for eradication of Helicobacter pylori under a prescriber’s care. Many adults use M-Clarithromycin 250 mg tablets when lower doses are appropriate.

People with a known macrolide allergy should avoid this medicine. Those with a history of cholestatic jaundice or liver dysfunction associated with prior clarithromycin use should not take it. Individuals with serious heart rhythm problems, especially QT prolongation, or those using contraindicated interacting medicines should discuss alternatives with a clinician.

Dosage and Usage

Follow the product label and your prescriber’s instructions. Typical schedules involve twice-daily dosing for immediate-release tablets and weight-based dosing for pediatric suspension. Prescribers may use M-Clarithromycin extended-release 500 mg for once-daily schedules in certain respiratory infections, per the approved labeling.

Take tablets with or without food, as directed. Extended-release tablets should be taken with food and swallowed whole. Shake the oral suspension well before each dose, and use an accurate measuring device, not a household spoon.

Hydration and consistent timing during the day can support adherence. If stomach upset occurs, taking doses with a light snack may help. Do not change your schedule without speaking with your healthcare professional.

For H. pylori, clarithromycin is used as part of combination therapy with a proton pump inhibitor and a second antibiotic. If your regimen includes a PPI, review instructions for that medicine too; see product details for Omeprazole.

Strengths and Forms

Availability can vary. Commonly published options include:

• Clarithromycin immediate-release tablets: 250 mg, 500 mg
• Extended-release tablets: 500 mg
• Oral suspension: 125 mg/5 mL and 250 mg/5 mL after reconstitution

M-Clarithromycin oral suspension 125 mg/5 mL is often used for pediatric dosing under a prescriber’s guidance. If a specific strength is unavailable, your prescriber may recommend a suitable alternative within the same class or a different antibiotic.

Missed Dose and Timing

If you miss a dose, take it when you remember unless it is close to the next scheduled dose. If it is almost time for the next one, skip the missed dose and resume your regular schedule. Do not double up. Maintaining consistent dosing helps the treatment work as intended.

Storage and Travel Basics

Store tablets in a dry place at room temperature and away from excess heat and humidity. Keep all medicines out of reach of children and pets. After reconstitution, the oral suspension is typically kept at controlled room temperature and used within the time stated on the label; do not freeze. Keep the bottle tightly closed and measure doses accurately.

When traveling, carry your medicine in original packaging along with a copy of your prescription. Pack it in your carry-on to avoid extreme temperatures. A simple dosing checklist can help you stay on schedule across time zones. If your regimen includes other agents, such as a PPI, keep them together and labeled to prevent mix-ups.

Benefits

This macrolide can treat a range of respiratory and skin infections caused by susceptible bacteria. It is available in multiple oral forms that support use across age groups. The once-daily extended-release option may simplify routines for certain approved indications. As part of combination therapy, it contributes to H. pylori eradication plans when clinically appropriate.

Completing the full course helps reduce relapse and resistance risks. If symptoms persist or worsen, contact your healthcare professional for guidance rather than self-adjusting the dose.

Side Effects and Safety

Common side effects can include:

• Taste changes or metallic taste
• Nausea or vomiting
• Diarrhea or stomach pain
• Headache
• Indigestion

Serious effects are less common but can occur. These include liver problems, severe allergic reactions, Clostridioides difficile–associated diarrhea, and heart rhythm changes such as QT prolongation. Worsening of myasthenia gravis has been reported. If you notice jaundice, severe abdominal pain, persistent diarrhea, fainting, or palpitations, seek medical attention promptly.

Drug Interactions and Cautions

Clarithromycin affects CYP3A metabolism and can raise levels of certain medicines. Avoid contraindicated combinations listed on the official label, such as with pimozide, cisapride, ergot alkaloids, and certain statins like simvastatin or lovastatin. Use caution with colchicine, especially in kidney or liver impairment. Interactions can also occur with warfarin, digoxin, carbamazepine, certain calcium channel blockers, and other QT-prolonging drugs.

Tell your healthcare professional about all medicines, supplements, and herbal products you use. People with significant hepatic or renal impairment may require special consideration. Do not start or stop interacting medicines without medical guidance.

What to Expect Over Time

Symptoms may begin to ease after several doses, but many infections require a full multi-day course. Improvement can vary by infection site and severity. Take each dose on schedule and finish the entire prescription even if you feel better. If you do not see any improvement by the time your prescriber expected, or if new symptoms appear, contact your clinician. Adherence tools like alarms, pill organizers, or a dose log can support consistent use.

Compare With Alternatives

Therapy selection depends on the suspected organism, local resistance patterns, medical history, and tolerability. Your prescriber may consider a different macrolide or another class if this medicine is not a fit. Some patients may consider Generic clarithromycin 500 mg where appropriate. Alternatives we offer include Ciprofloxacin and Cephalexin when clinically suitable and supported by guidelines.

Pricing and Access

Our catalog reflects Canadian pharmacy pricing with transparent options for different forms and quantities. You can compare formulations, see the Clarithromycin price, and choose the strength your prescriber recommended. We provide US shipping from Canada so you can manage access and planning with an approved prescription on file. If you are cost-sensitive, check for multi-pack options when available. For broader context on infection care, explore Infectious Disease options.

Looking for combination therapy support? You can review compatible agents like Omeprazole for H. pylori regimens. For other antibiotic choices, see Ceftin Suspension, Doxycyclin, or targeted therapies such as Dificid when appropriate. Checkout is encrypted to protect your information.

Learn more about upper GI management in our article Domperidone Helps. For condition pages related to this antibiotic, see Respiratory Tract Infections and Skin Infections.

Availability and Substitutions

Supply can vary by strength and form. If a specific presentation is not in stock, your prescriber may recommend an equivalent in the same class or another appropriate antibiotic. We do not guarantee dates for restock. Your prescription will guide what substitutions, if any, are suitable.

Patient Suitability and Cost-Saving Tips

You may be a candidate if your clinician diagnoses a susceptible bacterial infection and you have no contraindications. People with a history of severe liver problems linked to this drug, significant QT risk, or prior macrolide allergy may need alternatives. Tell your prescriber about all other therapies and conditions.

• Multi-month fill: can lower per-unit costs
• Refill reminders: help prevent treatment gaps
• Generic preference: discuss with your prescriber
• Out of pocket: compare quantities for better value
• Accurate dosing tools: reduce waste for suspensions

Questions to Ask Your Clinician

• Is this antibiotic appropriate for my specific infection and history?
• Which form suits me best: tablets, extended-release, or suspension?
• How long should I take it, and how will we assess response?
• Do any of my current medicines interact with this therapy?
• What side effects should prompt a call or visit?
• If H. pylori is suspected, which combination regimen is recommended?

Authoritative Sources

FDA Prescribing Information

DailyMed Clarithromycin

Health Canada DPD

Pricing and Access

Ready to proceed? Add to cart and follow checkout to upload your prescription. We offer prompt, express shipping, with temperature-controlled handling when required. This content is for general information and does not replace your prescriber’s advice. Always follow the official label.