Roxithromycin

Roxithromycin
4.34 ratingsReviews
Generic:
Roxithromycin
Indications:
infections
Analogs:
Azithromycin Clarithromycin Erythromycin Spiramycin Josamycin Amoxicillin Doxycycline Rulide Augmentin Levofloxacin
In stock: 19 packs
AdultsPregnancyAllergiesDiabetesBreastfeedingChildrenDriving

Dosages

Roxithromycin 150 mg

Quantity Price per tablet You save Total price
60 A$2.18 - A$130.72
90 A$1.99 A$16.72 A$179.36
120 A$1.89 A$34.96 A$226.48
180 A$1.80 A$68.40 A$323.76
270 A$1.73 A$121.60 A$466.64
360 A$1.71 A$170.24 A$614.08

Manufacturers

Alphapharm Pty LtdMerckle GmbHSanofi-Aventis AustraliaSanofi-Aventis Deutschland GmbHSanofi-Aventis, S.A.Sanofi S.p.A.Sanofi Winthrop Industrie

Payment & Delivery

Package Example

Your order is carefully packed and ships within 24 hours. Here is what a typical package looks like.

Sized like a regular personal letter (approximately 24x11x0.7 cm), with no indication of what is inside.

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Front View
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Back View
Back View
Delivery Times
Delivery MethodEstimated delivery
Express Free for orders over A$456.00Estimated delivery to Australia: 4-7 days
Standard Free for orders over A$304.00Estimated delivery to Australia: 14-21 days
EMSAustralia Post
Payment Methods
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Discount Coupons

  • Australia Day - 26 January 2026 10% AUSDAY10
  • Labour Day - 2 March 2026 6% LABOUR6
  • ANZAC Day - 25 April 2026 8% ANZAC8
  • King's Birthday - 8 June 2026 7% KING7
  • Boxing Day - 26 December 2026 12% BOXING12

Brand Names

Also known as (by country):
CountryBrand Names
Australia
Biaxsig Rulide

FAQ

Yes, roxithromycin is a Schedule 4 Prescription Only Medicine, so a prescription is required when buying it from an Australian pharmacy. Our store policy allows Roxithromycin 150 mg film-coated tablets to be ordered without a prescription and sent by mail.

Do not extend a course of Roxithromycin without clinical advice. Ongoing symptoms may mean the infection needs reassessment, a different treatment, or investigation for another cause; taking extra tablets may increase adverse effects without addressing the problem.

Not necessarily. Products containing roxithromycin can have different inactive ingredients, coatings and packaging between manufacturers. The exact excipients for the supplied 150 mg film-coated tablets should be checked on the received package or leaflet, especially if there is an allergy or intolerance.

Roxithromycin is a macrolide antibiotic used for susceptible bacterial infections, including respiratory tract, urinary tract and soft-tissue infections. It does not treat viral illnesses such as colds or influenza, and the appropriate antibiotic depends on the infection and likely bacteria.

Description

Note: Images in the description are provided for informational purposes and may differ from the actual appearance of the product. Please refer to the product name, strength, active ingredients, and dosage form.

Roxithromycin is a macrolide antibiotic used in some countries, including Australia, to treat bacterial infections caused by susceptible organisms. It is most commonly used for respiratory tract infections and some skin and soft tissue infections. It is an oral, prescription-only medicine, typically prescribed in Australian clinical practice when a doctor decides it is appropriate.

Roxithromycin

What it is used for

Roxithromycin may be prescribed for bacterial infections caused by susceptible organisms, including some upper and lower respiratory tract infections and some skin and soft tissue infections. It does not work for viral illnesses such as colds or flu.

How to take

Where it is approved, roxithromycin is usually taken by mouth once or twice daily, often at least 15 minutes before meals, as food can reduce absorption. Follow your prescriber's instructions and complete the full course unless you are told otherwise.

Roxithromycin vs other antibiotics

Comparison Roxithromycin Amoxicillin Azithromycin Erythromycin
Drug class Macrolide Penicillin (beta-lactam) Macrolide (azalide) Macrolide
Typical role An alternative option in some countries for susceptible respiratory or skin infections A common first-line option for many ENT and respiratory infections, when appropriate Often used for some respiratory infections and certain atypical pathogens, when appropriate An older macrolide; still used, but often limited by GI side effects and interactions
Penicillin allergy May be an alternative for some people with penicillin allergy, depending on clinical judgement Not suitable in true immediate-type penicillin allergy May be an alternative for some people with penicillin allergy, depending on clinical judgement May be an alternative for some people with penicillin allergy, depending on clinical judgement
Food effect Absorption can be reduced by food; it is often taken before meals Usually can be taken with or without food, depending on the product Depends on the formulation; many can be taken with or without food Depends on the salt or formulation; some are affected by food
Common side effects GI upset (nausea, abdominal pain, diarrhoea), headache, rash GI upset, rash; diarrhoea can occur GI upset; diarrhoea; often less nausea than erythromycin GI upset is common; nausea and abdominal cramps are frequent
QT/arrhythmia risk Macrolide class warning: QT prolongation can occur in rare cases Not a typical QT-prolonging antibiotic Macrolide class warning: QT prolongation can occur in rare cases Macrolide class warning: QT prolongation can occur in rare cases
Drug interaction potential Can interact with some medicines (see below); use caution with anticoagulants Fewer CYP-related interactions than macrolides Generally fewer CYP3A interactions than erythromycin/clarithromycin Higher interaction burden (CYP-related) than many alternatives

When doctors usually choose which

Scenario (simplified) Often considered Notes
Typical bacterial ENT or respiratory infection where a beta-lactam is appropriate Amoxicillin A common first-line choice in many guidelines and markets; this depends on the diagnosis and local resistance patterns.
Suspected "atypical" respiratory pathogens, or when a macrolide-type option is needed Azithromycin Often preferred within the macrolide class because of convenient dosing and generally fewer CYP3A interactions than erythromycin.
Need for a macrolide alternative where available locally Roxithromycin Used in some countries; take local product information into account
Macrolide needed but newer alternatives are not suitable or available Erythromycin Effective in some settings, but GI side effects and interaction burden can limit its use.
When to be extra cautious with macrolides Roxithromycin / Azithromycin / Erythromycin Use caution with known QT prolongation, electrolyte abnormalities, or other QT-prolonging medicines.

How it works

Roxithromycin is a macrolide antibiotic. It binds to the 50S ribosomal subunit and blocks bacterial protein synthesis.

Side effects

Common side effects include nausea, abdominal pain, diarrhoea, headache and skin rash.

Stop taking the medicine and seek urgent medical care if you develop signs of a serious allergic reaction, such as swelling of the face, lips or tongue, trouble breathing, severe skin reactions such as a blistering or peeling rash, severe or persistent diarrhoea, or symptoms of liver injury such as dark urine, yellowing of the skin or eyes, or severe fatigue.

Warnings and precautions

  • Heart rhythm: rare cases of QT prolongation and serious arrhythmias have been reported with macrolides. Take extra care if you have known QT prolongation, low potassium or magnesium, a slow heart rate, or if you take other QT-prolonging medicines.
  • Antibiotic-associated diarrhoea: severe diarrhoea, including C. difficile colitis, can occur during or after antibiotic treatment.
  • Liver: liver injury has been reported rarely. Use caution in severe hepatic impairment and follow your clinician's advice.
  • Kidney: rare cases of interstitial nephritis have been reported.

Drug-drug interactions

Tell your Australian clinician or pharmacist about all medicines and supplements you take. Important interactions may include:

  • Warfarin and other vitamin K antagonists: increased INR and bleeding have been reported; INR monitoring is recommended during combined use.
  • Statins and fibrates: rare cases of muscle toxicity have been reported with interacting combinations; report muscle pain or weakness promptly.
  • Theophylline: exposure may increase slightly; monitoring may be needed in some people.
  • QT-prolonging medicines: taking them together can increase the risk of arrhythmia.

Special populations

  • Pregnancy and breastfeeding: use only if prescribed by an Australian doctor. Small amounts may pass into breast milk; discuss the risks and benefits with a clinician.
  • Hepatic impairment: dose reduction may be recommended in severe hepatic impairment, under clinician guidance.
  • Renal impairment: for short courses, dose adjustment is often not required; severe impairment should be managed by a clinician.
  • Children: paediatric dosing is weight-based and should follow local product information and clinician guidance.

Pharmacokinetics

Roxithromycin has an absolute bioavailability of approximately 50%. Peak concentrations usually occur about 1-2 hours after a dose. Food can reduce absorption. It is highly protein-bound and distributed into tissues; small amounts may be found in breast milk. Elimination occurs by multiple routes, including faecal and urinary excretion, with a reported half-life of around 12 hours in healthy adults. The half-life may be prolonged in hepatic or renal impairment.

Off-label / investigational mentions

Some studies have looked at macrolides, including roxithromycin, for conditions such as gingival overgrowth or cardiovascular prevention. These are not standard labelled indications.

Storage

Store below 25°C (77°F) in a cool, dry place. Protect from light and moisture. Keep out of reach of children.

Medically reviewed by
Donna Brettler
BPharm, MPH - Pharmacologist and medical writer
Updated 11 August 2026

Customer questions

Asked by Tahlia, Mackay, Australia

My Roxithromycin has arrived in Mackay. Where do I find the batch number and expiry date on the pack?

Answered by Support team

The batch or lot number and expiry date are normally printed on the outer carton and often on the blister strip as well. Check that the active ingredient, 150 mg strength, dosage form, batch details and expiry date are legible before use.

Asked by Lucas J, Logan City, Australia

My son is 11 and weighs 35 kg. Is the 150 mg Roxithromycin film-coated tablet suitable for children his size?

Answered by Support team
Medical reviewed by Brian Holtry

The 150 mg film-coated tablet is generally intended for children weighing more than 40 kg. A child who weighs 35 kg needs an age- and weight-appropriate treatment decision and formulation rather than this fixed-strength tablet.

Product specifications

Active ingredientRoxithromycin
Drug classMacrolide antibiotic
Dosage formFilm-coated tablet
Available strengths150 mg
Route of administrationOral
StorageStore below 25°C in a dry place, protected from moisture and light.
ATC codeJ01FA06

Regulatory information

Market authorisationRoxithromycin is approved for therapeutic human use in Australia.
Prescription classificationA valid prescription from a registered healthcare practitioner is required to dispense roxithromycin film-coated tablets in Australia.

More information