Brand Name A-Rox
Type Powder for Suspension
Weight 50 mg/5 ml
Generic Roxithromycin
Manufacturer Ambee Pharmaceuticals Ltd.
Price 50 ml bottle: ৳ 45.17

About A-Rox

A-Rox Powder for Suspension (Ambee Pharmaceuticals Ltd.) is a brand medicine containing the generic Roxithromycin . Current listed price in Bangladesh: 50 ml bottle: ৳ 45.17.

Medical information for A-Rox Powder for Suspension 50 mg/5 ml

Uses, dosage, side effects, and safety details below apply to A-Rox Powder for Suspension 50 mg/5 ml (generic: Roxithromycin). This is general information — consult a doctor before use.

Introduction

A-Rox Powder for Suspension 50 mg/5 ml is a semi-synthethic macrolide antibiotic that is structurally and pharmacologically similar to erythromycin, azithromycin, or clarithromycin. It was shown to be more effective against certain Gram-negative bacteria, particularly Legionella pneumophila. A-Rox Powder for Suspension 50 mg/5 ml exerts its antibacterial action by binding to the bacterial ribosome and interfering with bacterial protein synthesis.

Uses

A-Rox Powder for Suspension 50 mg/5 ml is an antibiotic used to treat a variety of susceptible bacterial infections.

Used to treat respiratory tract, urinary and soft tissue infections.

Associated Conditions

  • Lower Respiratory Tract and Lung Infections
  • Respiratory Tract Infections (RTI)
  • Skin Infections
  • Ear
  • nose
  • and throat infections

Pharmacodynamics

A-Rox Powder for Suspension 50 mg/5 ml has the following antibacterial spectrum in vitro: Streptococcus agalactiae, Streptococcus pneumoniae (Pneumococcus), Neisseria meningitides (Meningococcus), Listeria monocytogenes, Mycoplasma pneumoniae, Chlamydia trachomatis, Ureaplasma urealyticum, Legionella pneumophila, Helicobacter (Campylobacter), Gardnerella vaginalis, Bordetella pertussis, Moraxella catarrhalis (Branhamella Catarrhalis), and Haemophilus ducreyi. A-Rox Powder for Suspension 50 mg/5 ml is highly concentrated in polymorphonuclear leukocytes and macrophages, achieving intracellular concentrations greater than those outside the cell. A-Rox Powder for Suspension 50 mg/5 ml enhances the adhesive and chemotactic functions of these cells which in the presence of infection produce phagocytosis and bacterial lysis. A-Rox Powder for Suspension 50 mg/5 ml also possesses intracellular bactericidal activity.

Mechanism of Action

A-Rox Powder for Suspension 50 mg/5 ml prevents bacterial growth by interfering with their protein synthesis. It binds to the 50S subunit of bacterial ribosomes and inhibits the translocation of peptides.

Absorption

Very rapidly absorbed and diffused into most tissues and phagocytes.

Protein Binding

96%, mainly to alpha1-acid glycoproteins

Half Life

12 hours

Toxicity

A-Rox Powder for Suspension 50 mg/5 ml primarily causes gastrointestinal adverse events, such as diarrhoea, nausea, abdominal pain and vomiting. Less common adverse events include headaches, rashes, abnormal liver function values and alteration in senses of smell and taste.

Dosage

Adult dose: The usual dose for adults is one 300 mg tablet once daily or one 150 mg tablet twice a day for at least two days after resolution of symptoms, a normal course of therapy is between 5 and 10 days. A-Rox Powder for Suspension 50 mg/5 ml is best administered on empty stomach. In severe hepatic impairment the dose is 150 mg once daily.

Pediatric dose: The dose for children is 2.5 to 5 mg/kg body weight twice a day. The following general guidelines can be followed
  • 6 to 11 Kg: 25 mg A-Rox Powder for Suspension 50 mg/5 ml 12 hourly.
  • 12 to 23 Kg: 50 mg A-Rox Powder for Suspension 50 mg/5 ml 12 hourly.
  • 24 to 40 Kg: 100 mg A-Rox Powder for Suspension 50 mg/5 ml 12 hourly.
A normal course of therapy is between 5 and 10 days.

Frequently Asked Questions About A-Rox Powder for Suspension 50 mg/5 ml

1. What is A-Rox Powder for Suspension 50 mg/5 ml?

A-Rox Powder for Suspension 50 mg/5 ml is an antibiotic belonging to the macrolide class. It is used to treat bacterial infections by inhibiting the growth of bacteria.

2. What type of infections does A-Rox Powder for Suspension 50 mg/5 ml treat?

A-Rox Powder for Suspension 50 mg/5 ml is commonly used to treat respiratory tract infections, skin infections, ear infections, and certain types of bacterial throat infections.

3. How does A-Rox Powder for Suspension 50 mg/5 ml work?

A-Rox Powder for Suspension 50 mg/5 ml works by inhibiting bacterial protein synthesis, preventing bacteria from multiplying and helping to eliminate the infection.

4. How is A-Rox Powder for Suspension 50 mg/5 ml taken?

A-Rox Powder for Suspension 50 mg/5 ml is usually taken orally, either in tablet form or as a suspension. It is typically taken once or twice a day, with or without food.

5. What is the usual dosage of A-Rox Powder for Suspension 50 mg/5 ml?

The usual dosage of A-Rox Powder for Suspension 50 mg/5 ml is 150 mg to 300 mg per day, depending on the type and severity of the infection. Always follow the dosage prescribed by your doctor.

6. Can A-Rox Powder for Suspension 50 mg/5 ml be used for sore throat?

Yes, A-Rox Powder for Suspension 50 mg/5 ml can be used to treat bacterial throat infections, including sore throat caused by Streptococcus bacteria.

7. Can A-Rox Powder for Suspension 50 mg/5 ml treat pneumonia?

Yes, A-Rox Powder for Suspension 50 mg/5 ml is effective in treating pneumonia, especially bacterial pneumonia caused by susceptible organisms.

8. Can I drink alcohol while taking A-Rox Powder for Suspension 50 mg/5 ml?

It is best to avoid alcohol while taking A-Rox Powder for Suspension 50 mg/5 ml, as it may increase the risk of side effects like stomach upset or dizziness.

9. How long should I take A-Rox Powder for Suspension 50 mg/5 ml?

The duration of treatment depends on the infection being treated. Typically, A-Rox Powder for Suspension 50 mg/5 ml is taken for 5 to 10 days, but your doctor will provide specific instructions.

10. What are the common side effects of A-Rox Powder for Suspension 50 mg/5 ml?

Common side effects of A-Rox Powder for Suspension 50 mg/5 ml include:

  • Stomach upset
  • Diarrhea
  • Nausea
  • Headache

11. Can A-Rox Powder for Suspension 50 mg/5 ml cause an allergic reaction?

Yes, although rare, some people may experience allergic reactions to A-Rox Powder for Suspension 50 mg/5 ml, including rashes, itching, and difficulty breathing. Seek medical attention if you experience these symptoms.

12. Can A-Rox Powder for Suspension 50 mg/5 ml be used for ear infections?

Yes, A-Rox Powder for Suspension 50 mg/5 ml is often prescribed for ear infections (otitis media) caused by susceptible bacteria.

13. Can A-Rox Powder for Suspension 50 mg/5 ml be used for skin infections?

Yes, A-Rox Powder for Suspension 50 mg/5 ml can treat certain skin infections like impetigo or cellulitis caused by bacteria.

14. Can A-Rox Powder for Suspension 50 mg/5 ml be taken during pregnancy?

A-Rox Powder for Suspension 50 mg/5 ml should only be used during pregnancy if prescribed by a doctor. It is classified as a pregnancy category C drug, meaning the risks and benefits should be evaluated by a healthcare provider.

15. Is A-Rox Powder for Suspension 50 mg/5 ml safe for children?

Yes, A-Rox Powder for Suspension 50 mg/5 ml can be prescribed to children, but the dosage is based on the child's age and weight. Always consult a pediatrician before giving this medication to a child.

16. Can A-Rox Powder for Suspension 50 mg/5 ml be used for a cold or the flu?

No, A-Rox Powder for Suspension 50 mg/5 ml is not effective against viral infections like the common cold or flu. It only works against bacterial infections.

17. What should I do if I miss a dose of A-Rox Powder for Suspension 50 mg/5 ml?

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at once.

18. Can A-Rox Powder for Suspension 50 mg/5 ml be taken with other medications?

A-Rox Powder for Suspension 50 mg/5 ml can interact with other medications, such as certain antihistamines, blood thinners, and antifungals. Always inform your doctor about all the medications you are taking.

19. Can I stop taking A-Rox Powder for Suspension 50 mg/5 ml once I feel better?

No, you should complete the full course of treatment, even if you start feeling better. Stopping the medication early can lead to the infection returning or developing antibiotic resistance.

20. Can A-Rox Powder for Suspension 50 mg/5 ml cause stomach upset?

Yes, stomach upset, including nausea, vomiting, and diarrhea, is a common side effect of A-Rox Powder for Suspension 50 mg/5 ml. Taking the medication with food may help reduce these symptoms.

21. Can A-Rox Powder for Suspension 50 mg/5 ml be used for bronchitis?

Yes, A-Rox Powder for Suspension 50 mg/5 ml can be used to treat bacterial bronchitis, especially when the infection is caused by susceptible bacteria.

22. Can A-Rox Powder for Suspension 50 mg/5 ml interact with grapefruit?

Yes, grapefruit can interfere with the metabolism of A-Rox Powder for Suspension 50 mg/5 ml and increase the risk of side effects. It is best to avoid grapefruit while taking this medication.

23. How should I store A-Rox Powder for Suspension 50 mg/5 ml?

Store A-Rox Powder for Suspension 50 mg/5 ml in a cool, dry place, away from heat and moisture. Keep it out of reach of children.

24. What should I do if I overdose on A-Rox Powder for Suspension 50 mg/5 ml?

If you suspect an overdose, seek immediate medical attention. Symptoms of an overdose may include severe stomach pain, vomiting, and diarrhea.

25. Can A-Rox Powder for Suspension 50 mg/5 ml cause liver problems?

In rare cases, A-Rox Powder for Suspension 50 mg/5 ml may cause liver damage, leading to symptoms like yellowing of the skin or eyes. If you experience these symptoms, contact your doctor immediately.

26. Can A-Rox Powder for Suspension 50 mg/5 ml treat strep throat?

Yes, A-Rox Powder for Suspension 50 mg/5 ml can be used to treat strep throat caused by Streptococcus bacteria, especially in patients who are allergic to penicillin.

27. Does A-Rox Powder for Suspension 50 mg/5 ml cause dizziness?

A-Rox Powder for Suspension 50 mg/5 ml may cause dizziness or lightheadedness, particularly if you are dehydrated or taking other medications. Avoid driving if you feel dizzy.

28. Can I use A-Rox Powder for Suspension 50 mg/5 ml for a sinus infection?

Yes, A-Rox Powder for Suspension 50 mg/5 ml may be prescribed for bacterial sinus infections, especially if the infection is caused by susceptible bacteria.

29. Can A-Rox Powder for Suspension 50 mg/5 ml be used for tuberculosis (TB)?

No, A-Rox Powder for Suspension 50 mg/5 ml is not used to treat tuberculosis. Specific antibiotics are required to treat TB, and a healthcare provider will prescribe the appropriate treatment.

30. What are the contraindications of A-Rox Powder for Suspension 50 mg/5 ml?

A-Rox Powder for Suspension 50 mg/5 ml should not be used in patients with a history of allergic reactions to macrolide antibiotics or certain other conditions. Always consult your doctor before starting treatment.

31. Can A-Rox Powder for Suspension 50 mg/5 ml be taken with food?

Yes, A-Rox Powder for Suspension 50 mg/5 ml can be taken with or without food. However, taking it with food may help reduce stomach upset.

32. Can A-Rox Powder for Suspension 50 mg/5 ml cause skin rashes?

Yes, skin rashes are a possible side effect of A-Rox Powder for Suspension 50 mg/5 ml. If you develop a rash, consult your doctor for further evaluation.

33. How does A-Rox Powder for Suspension 50 mg/5 ml compare to other antibiotics?

A-Rox Powder for Suspension 50 mg/5 ml is a macrolide antibiotic and works similarly to other antibiotics in its class, such as azithromycin and clarithromycin. However, each antibiotic may have different effectiveness against certain bacteria.

34. Can A-Rox Powder for Suspension 50 mg/5 ml be used for UTI (Urinary Tract Infection)?

A-Rox Powder for Suspension 50 mg/5 ml is not the first-line treatment for urinary tract infections, but it may be used if the infection is caused by susceptible bacteria.

35. Is A-Rox Powder for Suspension 50 mg/5 ml effective against resistant bacteria?

A-Rox Powder for Suspension 50 mg/5 ml is effective against many common bacteria but may not work against resistant strains. Your healthcare provider may prescribe a different antibiotic if resistance is suspected.

36. Can I take A-Rox Powder for Suspension 50 mg/5 ml if I have kidney problems?

If you have kidney problems, consult your doctor before using A-Rox Powder for Suspension 50 mg/5 ml. They may need to adjust the dosage or monitor you closely for side effects.

37. Can A-Rox Powder for Suspension 50 mg/5 ml be used for acne?

A-Rox Powder for Suspension 50 mg/5 ml is sometimes used to treat acne caused by bacterial infections, particularly in patients who do not respond to other treatments.

38. Can I use A-Rox Powder for Suspension 50 mg/5 ml if I have a history of heart disease?

Consult your healthcare provider if you have a history of heart disease. Macrolide antibiotics like A-Rox Powder for Suspension 50 mg/5 ml may increase the risk of heart problems in some patients.

39. Can I take A-Rox Powder for Suspension 50 mg/5 ml with other antibiotics?

A-Rox Powder for Suspension 50 mg/5 ml may interact with certain antibiotics. Always inform your healthcare provider about other medications you are taking to avoid potential drug interactions.

40. How soon will I feel better after starting A-Rox Powder for Suspension 50 mg/5 ml?

Most patients start to feel better within a few days of starting treatment, but it is important to complete the full course of antibiotics as prescribed.

41. Can A-Rox Powder for Suspension 50 mg/5 ml be used to treat dental infections?

Yes, A-Rox Powder for Suspension 50 mg/5 ml can be used to treat certain dental infections caused by susceptible bacteria.

42. Can A-Rox Powder for Suspension 50 mg/5 ml cause gastrointestinal problems?

Gastrointestinal issues, such as diarrhea and nausea, are common side effects of A-Rox Powder for Suspension 50 mg/5 ml. If these symptoms are severe, consult your doctor.

43. Can I use A-Rox Powder for Suspension 50 mg/5 ml for bacterial conjunctivitis?

A-Rox Powder for Suspension 50 mg/5 ml may be used to treat bacterial conjunctivitis, though topical antibiotics are typically preferred for eye infections.

44. Can A-Rox Powder for Suspension 50 mg/5 ml cause drowsiness?

A-Rox Powder for Suspension 50 mg/5 ml does not typically cause drowsiness, but some individuals may feel fatigued as a side effect. Always use caution when performing tasks that require alertness.

45. Can A-Rox Powder for Suspension 50 mg/5 ml be used for viral infections?

No, A-Rox Powder for Suspension 50 mg/5 ml is not effective against viral infections like the flu or cold. It is only used for bacterial infections.

46. What are the signs of a A-Rox Powder for Suspension 50 mg/5 ml overdose?

Signs of an overdose may include severe nausea, vomiting, and diarrhea. If you suspect an overdose, seek medical attention immediately.

47. Can I take A-Rox Powder for Suspension 50 mg/5 ml if I have liver disease?

If you have liver disease, consult your doctor before using A-Rox Powder for Suspension 50 mg/5 ml. Your doctor may need to adjust your dosage or monitor you more closely.

48. Is A-Rox Powder for Suspension 50 mg/5 ml available over the counter?

No, A-Rox Powder for Suspension 50 mg/5 ml is a prescription medication and should be taken only under the guidance of a healthcare provider.

49. Can I take A-Rox Powder for Suspension 50 mg/5 ml while breastfeeding?

Consult your doctor before taking A-Rox Powder for Suspension 50 mg/5 ml while breastfeeding, as it can pass into breast milk.

Medical review

Last reviewed: 24 Jul 2026

Medically reviewed by:

This is general information, not personal medical advice. Consult a doctor before taking any medicine.

Taking medicines without doctor's advice can cause long-term problems.
Dr. Arif Mahmud Jewel

Dr. Arif Mahmud Jewel

Ear, Nose, Throat Specialist & Head Neck Surgeon

Call Doctor
Dr. Mohammad Ashikur Rahman Khan

Dr. Mohammad Ashikur Rahman Khan

KIdney, Medicine & Diabetes Specialist

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