Co-Trimoxazole 960mg (Sulfamethoxazole/Trimethoprim)

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Co-Trimoxazole 960mg (Sulfamethoxazole/Trimethoprim)

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50 Tablet/sA$37.80A$0.76 / Tablet
100 Tablet/sA$59.50A$0.60 / Tablet
200 Tablet/sA$87.50A$0.44 / Tablet
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Australia Australia
May 29, 2026
Last Updated on November 28, 2025
Description

Co-Trimoxazole 960mg is a powerful combination antibiotic that contains Sulfamethoxazole as well as Trimethoprim. It is extensively used in Australia for the treatment of various bacterial infections. These include urinary tract infections, respiratory tract infections, digestive illnesses, and some types of pneumonia. The combination of these two drugs works together to stop the growth of bacteria and effectively eliminate infections.

What is Co-Trimoxazole 960mg?

Co-Trimoxazole blends two antibiotics, Sulfamethoxazole (a Sulfonamide), as well as Trimethoprim, with a set dosage ratio. The combination blocks the production of folic acid in bacteria, a vital vitamin that they need to live and reproduce. By blocking two distinct processes in the pathway of folate, the drug delivers an effective antibacterial action.

Key Features

  • Active Ingredients: Sulfamethoxazole 800mg + Trimethoprim 160mg
  • Strength: 960mg total per tablet
  • Form: Oral tablet
  • Primary Use: Treat bacterial infections
  • Commonly Treated Conditions: Urinary tract infections (UTIs) and bronchitis, Otitis otolaryngologica, Pneumocystis Jiroveci pneumonia (PCP)
  • Dosage Form: Once a day or as directed

How Does Co-Trimoxazole 960mg Work?

Co-Trimoxazole inhibits two key enzymes within the bacterial folic acid synthesizing process: dihydropteroate synthase (by Sulfamethoxazole) as well as dihydrofolate reductase (by trimethoprim). The dual blockade prevents the bacteria from producing folate, which is an essential ingredient for DNA, RNA, and protein production. This, in turn, results in the death of bacterial cells.

Who Should Use Co-Trimoxazole 960mg?

Co-Trimoxazole 960 mg is used to treat:

  • Patients suffering from urinary tract infection
  • Patients suffering from respiratory tract illnesses such as bronchitis and pneumonia
  • Individuals who suffer from an ear infection (otitis media)
  • Patients who are immunocompromised and require medical treatment or prevention for Pneumocystis jiroveci pneumonia (PCP)
  • Infections caused by resistant strains of bacteria

Co-Trimoxazole vs Other Common Antibiotics

Feature Co-Trimoxazole 960mg Amoxicillin Ciprofloxacin
Spectrum Broad, Gram+ & Gram- Broad, mostly Gram+ Broad, Gram- focus
Typical Use UTIs, respiratory, PCP Respiratory, ear, skin UTIs, GI infections
Dosing Frequency Twice daily 3-4 times daily Twice daily
Resistance Concerns Moderate Increasing High
Side Effects Common Rash, GI upset Allergic reactions Tendonitis, GI upset
Suitable for Pregnancy Use with caution Generally safe Avoid

How to Take Co-Trimoxazole 960mg

  1. Drink at least a glass of full-bodied water. Drink it in conjunction with food or drink to prevent an upset stomach.
  2. Make sure you follow your physician’s advice. Typically, the dosage is one tablet two times daily.
  3. Take the full course even if your symptoms get better.
  4. Be sure not to miss doses, as this can lead to resistance to antibiotics.
  5. Don’t share your medication with other people.

Effectiveness of Co-Trimoxazole 960mg

Co-Trimoxazole 960mg is extremely efficient against a wide range of bacterial infections, particularly for respiratory tract infections and urinary tract infections. It’s a vital antibiotic for use in Australian healthcare settings, specifically to treat uncomplicated UTIs as well as PCP-related prophylaxis for patients with immunocompromised conditions.

Side Effects and Safety Information

Common side effects could be:

  • Nausea, vomiting, and diarrhea
  • Skin rash or itching
  • Photosensitivity (increased sunburn risk)
  • Headache or dizziness
  • Rare but serious: Stevens-Johnson syndrome, blood disorders

Important: Contact a doctor immediately if you spot a severe skin irritation, breathing difficulties, or other indications of infection.

Precautions and Contraindications

  • Beware if you are allergic to trimethoprim or sulfonamides.
  • Contact your doctor if you are suffering from kidney or liver problems.
  • Be cautious when using this product in nursing or pregnant women.
  • Avoid excessive sun exposure during treatment.
  • Check for any blood-related disorders during the use of long periods.

10 Unique FAQs – What, How, Why

  1. What infections can Co-Trimoxazole 960mg treat?

It is used to treat UTIs and respiratory infections. It also treats the ear, as well as PCP pneumonia, in addition to other ailments.

  1. How does Co-Trimoxazole fight bacteria?

Through blocking the synthesis of folic acid necessary for bacterial growth and replication.

  1. Why is it important to complete the full antibiotic course?

Eliminate the disease and prevent it from recurring.

  1. What should I do if I miss a dose?

As soon as you are able, however, skip it until the next dose. Also, do not overdose.

  1. Can Co-Trimoxazole be used for viral infections like the flu?

No, the answer is no, it’s ineffective against viruses. It should only be utilized for infections caused by bacteria.

  1. Why avoid sun exposure during treatment?

It may cause an increase in skin sensitivity, leading to intense sunburn.

  1. What are the serious side effects to watch for?

The rash is severe, itchy, and fever and unintentional bruising should be treated with immediate medical attention.

  1. Can Co-Trimoxazole interact with other medications?

Yes, absolutely, particularly the use of blood thinners, diabetes medicines, as well as certain diuretics. Be sure to inform your doctor.

  1. Is Co-Trimoxazole safe during pregnancy?

It is recommended to avoid using it when pregnant unless the benefits are greater than the risk; talk to your doctor.

  1. How is resistance to Co-Trimoxazole managed?

Doctors are able to prescribe alternative antibiotics if resistance is suspected or confirmed.

Final Thoughts

Co-Trimoxazole 960mg is an adaptable and efficient antibiotic choice for Australia to treat a broad spectrum of bacteria-related infections. If you follow the correct medical advice as well as adhere to doses and a thorough understanding of the safety precautions, this product can provide rapid and effective treatment for the majority of patients.

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