Sulfatrim DS (Trimethoprim / Sulfamethoxazole)

What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

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  • Product Details


    Sulfatrim DS is an antimicrobial that is used for the treatment of certain infections of the urinary tract, upper and lower respiratory tracts, and gastrointestinal tract.

    Sulfatrim DS comes in oral tablets that contain 800 mg of sulfamethoxazole USP and 160 mg of trimethoprim USP.


    Take Sulfatrim DS as prescribed by your doctor. Any questions or concerns should be referred to your doctor or pharmacist.

    Each patient’s sulfatrim DS dose is based on the type of infection being treated, their age, and their weight.

    Your doctor will tell you how much sulfatrim DS is right for you and how long your treatment should last.

    If you have kidney problems, your dose may be lower.


    Sulfamethoxazole and trimethoprim are the active ingredients in sulfatrim DS. The inactive ingredients include colloidal silicon dioxide, croscarmellose sodium, magnesium stearate, and methylcellulose.


    You should not take sulfatrim DS if you:

    • are allergic to the medication or to any of its ingredients
    • have ever had low platelet counts caused by a drug
    • have serious kidney problems
    • are taking trimethoprim and/or sulfonamides
    • have megaloblastic anemia associated with a folate deficiency
    • are pregnant or breastfeeding
    • Have acute porphyria

    Sulfatrim DS should not be given to premature babies and infants younger than 2 months old.


    • Before you begin treatment with sulfatrim DS, tell your doctor about the following:
      • All the prescription and nonprescription medications you take
      • Your allergies
      • Your medical history and active health problems
      • If you are pregnant or breastfeeding
    • Skin reactions that can be severe or life-threatening can occur with sulfatrim DS. If you develop a flat red rash; blisters; peeling skin; fever; body aches; blisters/sores/ulcers on your mouth, nose, or genitals; and inflamed and swollen eyes, seek medical care right away.
    • Fulminant hepatic necrosis, a type of liver disease, can develop with sulfatrim DS treatment. Symptoms can occur, including yellowing of the skin or whites of the eyes; pain in the upper right abdomen, abdominal swelling, nausea, and vomiting. If You develop any of these symptoms, seek medical care right away.
    • Sulfatrim DS can cause low white blood cell counts, which can result in fever, chills, sore throat, feeling weak, fast heart rate, and rapid breathing. If you develop any of these symptoms, seek medical care right away.
    • Sulfatrim DS can cause aplastic anemia, which can cause you to feel tired, have difficulty breathing, pale skin, easy bruising, fever, chills, sore throat, and a general feeling of discomfort. If you develop any of these symptoms, seek medical care immediately.
    • Sulfatrim DS can cause low platelet counts, which may lead to easy bruising, rash, bleeding of the gums or nose, and blood in the urine or stool. If you experience any of these symptoms, seek medical care immediately.
    • Sulfatrim DS can cause an allergic reaction in the lungs and airways, resulting in breathing problems, coughing, wheezing, and chest tightness. If you develop any of these symptoms, seek medical care immediately.
    • Use caution when driving or operating machinery.
    • Sulfatrim DS can cause Clostridium difficile-associated diarrhea.

    Side Effects

    Common sulfatrim DS side effects include high potassium levels, anorexia, fungal overgrowth, headache, nausea, vomiting, diarrhea, and allergic skin reactions are the most common sulfatrim DS side effects; however, these are not the only side effects that can occur. Call your doctor immediately if you have side effects that bother you or won’t go away.

    With a valid prescription from your doctor, you can buy sulfatrim DS 800/160 mg online at a competitive price here at Canada Pharmacy.


    1. Sulfatrim DS. Vaughan, Ontario: AA Pharma Inc.; 2021.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 13750

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