Buy Bactrim IV Online (Sulfamethoxazole/Trimethoprim)
What is Bactrim IV?
What is Bactrim IV?
Bactrim IV is an antibiotic used in the treatment of bacterial infections. It can include urinary tract infections (UTI), ear infections (otitis media), bronchitis, shigellosis, and traveler’s diarrhea. It does cover some Gram-negative bacteria, including Haemophilus influenzae. Some common adverse reactions include photosensitivity and nausea.
Purchase Bactrim IV on Universal Drugstore and save today!
Order Bactrim IV online today and save!
Purchase Bactrim IV from Universal Drugstore today and save!
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- 400/80mg
Bactrim IV brand
Bactrim IV 400/80mg
Prescription RequiredProduct of Turkey
Sulfamethoxazole/Trimethoprim (generic Bactrim IV)
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Important information about Bactrim IV
The active ingredients in Bactrim IV are sulfamethoxazole/trimethoprim (SMZ/TMP). The trimethoprim component reversibly inhibits the enzyme, dihydrofolate reductase, which plays a vital role in folic acid metabolism. Ultimately, both components work together to eradicate the bacteria.
Follow all directions given to you by your doctor and read all documents provided, including the full Prescribing Information, FDA-Approved Product Labeling, Instructions for Use, and Medication Guide before using Bactrim IV. However, the following is a synopsis of the general guidelines for the use of Bactrim IV:
- This medication can be injected several times a day, but at each time of administration, it will be infused over 60 - 90 minutes.
- Ensure a safe sun safety routine involving the use of sunscreen is implemented.
- 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 only take the next dose. Do not take double or extra doses.
The most common side effects of Bactrim IV include:
- Diarrhea
- Nausea and vomiting
- Sun sensitivity
- Joint or muscle pain
- Loss of appetite
Some individuals may experience serious side effects while using Bactrim IV. These side effects may require immediate medical attention. If you experience any of the following, contact your healthcare provider or seek emergency medical help:
- Skin reactions, including a skin rash/urticaria, Stevens-Johnson syndrome, or toxic epidermal necrolysis
- Serious and life-threatening allergic reaction: hives, swelling of the face, tongue, and throat, or shortness of breath
- Signs of a Clostridium difficile infection: watery and bloody stools
- Agranulocytosis
- Hepatic necrosis: jaundice or yellowing of the skin or eyes, or dark urine
- Renal impairment: blood in the urine, flank pain, or confusion
- Hyperkalemia: chest pain, stomach cramps, nausea and vomiting, or heart palpitations
- Hyponatremia: fatigue, confusion, seizures, or muscle cramps
These are not all of the possible side effects of Bactrim IV. You should always seek medical advice from your healthcare provider for any questions or concerns about your medical condition or treatment. Read all patient information, medication guides, or drug information sheets that come with this medication. You can also report adverse effects to the Food and Drug Administration at www.fda.gov/medwatch or 1-800-FDA-1088.
Before starting Bactrim IV, it is crucial to discuss any existing health conditions with your healthcare provider. You should be sure that your healthcare provider is aware of all your medical conditions, including if you have:
- Hypersensitivity to sulfonamides or trimethoprim
- History of thrombocytopenia (low platelets) in response to taking a sulfa medication or trimethoprim
- Kidney disease
- Liver disease
- Blood dyscrasias, including porphyria or megaloblastic anemia
- Folic acid or folate deficiency
- Asthma
- Bone marrow suppression
- G6PD or glucose-6-phosphate dehydrogenase deficiency
- Underactive thyroid
- Abnormalities in electrolyte levels
- Past allergic reactions to sulfonamides or trimethoprim
- History of thrombocytopenia (low platelets) in response to taking a sulfonamide or trimethoprim
- Megaloblastic anemia due to a folate deficiency
- Pediatric patients less than 2 months of age
- Liver problems
- Decreased renal function
- Are taking Tikosyn (dofetilide)
- Pregnant
- Breastfeeding
This medication takes several hours to begin working.
When Bactrim IV is taken with other prescription drugs, over-the-counter medications, vitamins, and supplements, it may change how they work or increase the frequency or severity of side effects. Make sure that you tell your healthcare professional about anything that you are taking to avoid any negative drug interactions, including:
- Warfarin
- Diuretics
- Phenytoin
- Methotrexate
- Cyclosporine
- Leucovorin
- Digoxin
- Indomethacin
- Pyrimethamine
- Tricyclic antidepressants
- Amantadine
- ACE inhibitors
- Zidovudine
- Dofetilide
- Procainamide
The dosage forms available include an oral suspension, parenteral form, and oral tablets. The strength available for the IV is 80 mg sulfamethoxazole and 16 mg trimethoprim.
This medication should be stored at room temperature and should be kept away from the reach of children.
The pharmaceutical company that manufactures Bactrim IV is Amneal Pharms NY.
There are lower-cost alternatives to the brand-name Bactrim IV.
Before stopping this medication, consult your healthcare provider.
This antimicrobial may cause harm to the unborn child. Talk to your doctor if you are already pregnant or if you have any plans to become pregnant. They will know or recommend what is best for you.
This antibacterial can pass into the breast milk and may cause harm to the infant. Talk to your doctor if you are already breastfeeding or if you have any plans to breastfeed. They will know or recommend what is best for you.
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Click to joinImportant information about buying Bactrim IV from UniversalDrugstore™
Once you complete your order, we process, verify, and dispatch your medication. You’ll receive email updates at each stage, including tracking details once your order ships. If any additional documentation is needed (such as a valid prescription), we’ll contact you promptly. Once approved, your order is charged and delivered directly to your doorstep.
Orders are typically processed within 1–3 business days once all required documents are received and approved. Standard delivery times range from 10–18 business days, depending on your location.
Yes! Once your medication ships, you will receive an email with tracking information so you can monitor your shipment every step of the way.
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Universal Drugstore does not bill private health insurance directly, but we provide a detailed invoice that you can submit to your insurer for possible reimbursement. Many insurers will accept Universal Drugstore’s documents, but if you have any questions, check with your insurance company prior to purchasing.
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Universal Drugstore offers many generic alternatives that provide the same active ingredients at a lower cost. Search for your medication and compare pricing for generic vs. brand-name options. Generic availability depends on the medication.
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Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.

Jamie Winn, PharmD, is a licensed pharmacist and seasoned medical content reviewer with over 20 years of experience in clinical pharmacy, patient care, and healthcare leadership.
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Shirley is a Medical Writer and first-year Doctor of Pharmacy (PharmD) student at the University of Alberta, where she is building on her strong foundation in health sciences and patient care.
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