Sulfamethoxazole / Trimethoprim Suspension Suppliers & Bulk Manufacturers
Available Forms: Suspension
Available Strengths: 80 mg/400 mg per 5 mL, 160 mg/800 mg per 5 mL
Reference Brands: Bactrim(US/India), Sulfatrim (EU)
Category: Antibiotics
Sulfamethoxazole inhibits bacterial folate synthesis, while trimethoprim blocks dihydrofolate reductase, disrupting DNA and protein production. The combination provides broad-spectrum activity, effective against urinary, respiratory, and skin infections. Benefits include rapid bacterial clearance, excellent oral absorption, and convenience for pediatric and outpatient treatment when used properly.
Product Description:
Sulfamethoxazole + Trimethoprim suspension is approved in the EU and US for urinary tract, respiratory, and skin infections. In the EU, brands like Bactrim and Septra are regulated by EMA, supported by dossiers demonstrating safety, efficacy, and manufacturing standards. In the US, FDA approval relies on extensive clinical data; generic formulations are available. Both regions require detailed dossiers, including clinical trial results, quality manufacturing practices, and pharmacovigilance plans for approval and ongoing safety monitoring. For regulatory support, dossier preparation, and compliance, visit PharmaTradz. We facilitate seamless market access for sulfamethoxazole + trimethoprim suspension, ensuring adherence to European and US standards for safe, effective antimicrobial therapy.
Sulfamethoxazole / Trimethoprim Suspension — third party manufacturing & bulk supply
Sulfamethoxazole / Trimethoprim Suspension is available through PharmaTradz for wholesale and bulk supply as well as on a third party (contract) manufacturing basis. Buyers sourcing this product generally take one of three routes:
What to include when you enquire
- Destination market — determines which manufacturers hold the right site-level approvals
- First order quantity and estimated annual volume
- Whether you need a registration dossier or the product is already registered
- Packaging, labelling and language requirements
- Incoterms and required shelf life
Manufacturers of Sulfamethoxazole / Trimethoprim Suspension listed on PharmaTradz hold site-level approvals across WHO-GMP, EU-GMP, USFDA, ANVISA and TGA, verified at onboarding. Narcotic drugs and controlled substances are supplied strictly against valid import and export permits issued by the competent authorities.
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Frequently Asked Questions
Sulfamethoxazole / Trimethoprim Suspension is a combination antibiotic used to treat a variety of bacterial infections in patients who cannot swallow tablets. It is commonly prescribed for respiratory tract infections, urinary tract infections (UTIs), acute otitis media, traveler's diarrhea, and certain skin and soft tissue infections. The suspension allows for accurate pediatric dosing and easier administration.
This suspension contains two active ingredients: sulfamethoxazole, a sulfonamide antibiotic that inhibits bacterial folic acid synthesis, and trimethoprim, a dihydrofolate reductase inhibitor that enhances the antibacterial effect. Together, they provide a synergistic action that inhibits sequential steps in bacterial folate synthesis, leading to bacterial death.
It is marketed under trade names such as Bactrim® Suspension, Septra® Suspension, and other generic liquid formulations depending on the manufacturer and region.
One of the well‑known brands, Bactrim Suspension, was originally marketed by Sanofi. Other companies producing generic suspensions include Teva Pharmaceutical Industries, Sandoz, and Cipla.
The generic name is sulfamethoxazole and trimethoprim suspension.
Common brand names include Bactrim Suspension, Septra Suspension, and other regionally marketed generics.
It is manufactured in several countries including the United States, India, China, and multiple European countries by pharmaceutical companies producing both branded and generic oral suspension formulations for global markets.
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