Bactrim DS combines two antibiotics, sulfamethoxazole and trimethoprim, commonly prescribed for bacterial infections such as UTIs.
When you order Bactrim DS through our online platform, we’ll ensure convenient home delivery. Feel free to chat with one of our medical professionals to determine if it’s the suitable treatment for your condition.
Sulfamethoxazole and trimethoprim are the two types of antibiotics that are present in Bactrim DS. Trimethoprim is a versatile tablet-form antibiotic renowned for its effectiveness in addressing a wide range of bacterial infections. It’s frequently prescribed to address cystitis, a prevalent urinary tract infection (UTI).
Cystitis is a bacterial infection characterized by inflammation of the bladder. While it primarily affects women at some stage of their lives, it can also affect men, though this is relatively rare. In many cases, cystitis can resolve itself, but for persistent and severe symptoms, antibiotics like Bactrim DS may be necessary.
Both sulfamethoxazole and trimethoprim in Bactrim DS work by interfering with the production of folate, a vital nutrient that UTI causing bacteria need to replicate and grow. Without folate, the bacteria can't multiply.
Bactrim DS does this by blocking different parts of the process that makes folate, making it really hard for bacteria to survive and multiply.
When used to treat UTIs, the fixed dose for Bactrim DS is usually 800 mg of sulfamethoxazole and 160mg of trimethoprim every 12 hours for 14 days.
However, the exact length and timing of dosage could vary based on your age, health, symptoms and lifestyle.
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To ensure its effectiveness and to minimize the risk of antibiotic resistance, it's crucial to take Bactrim DS as directed by your doctor.
Take Bactrim DS consistently at the same time every day to ensure a steady presence of the medication in your bloodstream. It's crucial to finish the entire course of Bactrim DS, even if you begin to feel better before it's completed, as ending prematurely may enable bacteria to persist and potentially develop resistance to the medication. Stopping early can allow bacteria to survive and potentially develop resistance to the medication.
For uncomplicated urinary tract infections (UTIs), your symptoms may improve within a few days, while more complex infections may take longer.
The duration for Bactrim DS to take effect may differ, influenced by various factors such as the specific UTI type and its severity, as well as how you personally respond to the medication.
If you accidentally take more Bactrim DS than prescribed, contact a doctor. An overdose may lead to symptoms such as nausea, vomiting, dizziness, or confusion, and should be addressed immediately.
In case you accidentally miss a scheduled dose, take it as soon as you remember. However, if your next dose is nearly due, skip the missed dose and continue with your usual dosage.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy
Trimethoprim Sulfamethoxazole. [Updated 2022 Nov 28]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from
Trimethoprim Sulfamethoxazole. [Updated 2022 Nov 28]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from:
Management of uncomplicated urinary tract infections. West J Med. 2002 Jan;176(1):51-5. doi: 10.1136/ewjm.176.1.51. PMID: 11788540; PMCID: PMC1071654.
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UTI: Here are some other options.
Short-term once a day antibiotic tablets to treat your UTI.
Tablets to provide relief from symptoms like frequent urination and pain during urination.
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