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Only Available By Prescription
Top Generic choice
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.
Bactrim is a combination antibiotic that is used to treat bacterial infections, including urinary tract infections and to treat shigellosis. It may also be prescribed for traveler’s diarrhea, pediatric otitis media, or toxoplasmosis treatment. Sulfamethoxazole is a sulfonamide antibiotic and Trimethoprim is DH-reductase inhibitor. Between them bacteria are not able to synthesize nucleic acid and proteins in order to multiply and further the infection. You can buy Bactrim generic with a prescription here at Canpharm.
| Fact Table | |
|---|---|
| Formula | Sulfamethoxazole: C10H11N3O3S Trimethoprim: C14H18N4O3 |
| License | FDA approved |
| Bioavailability | ~90-100% (oral) |
| Legal status | Prescription Drug |
| Chemical Name | Sulfamethoxazole: 4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide Trimethoprim: 5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine |
| Elimination half-life | Sulfamethoxazole: ~10 hours Trimethoprim: ~8-10 hours |
| Dosage (Strength) | 400mg/80mg (single strength) 800mg/160mg (double strength) |
| Pregnancy | Consult Doctor (Category D near term, C otherwise) |
| Brands | Bactrim, Septra |
| Protein binding | Sulfamethoxazole: ~70% Trimethoprim: ~44% |
| PubChem CID | Sulfamethoxazole: 5329 Trimethoprim: 5578 |
| MedlinePlus | a684026 |
| ChEBI | Sulfamethoxazole: 9330 Trimethoprim: 45924 |
| ATC code | J01EE01 |
| DrugBank | Sulfamethoxazole: DB01015 Trimethoprim: DB00440 |
| KEGG | Sulfamethoxazole: D00441 Trimethoprim: D00442 |
| Routes of administration | By mouth (oral tablets or suspension), intravenous |
Standard dosage guidelines for Bactrim antibiotic will depend on treatment aim and age of patient. For adults with bacterial infections it will usually be 1-2 tablets taken every 12-24 hours as indicated in your prescription.
The active ingredients in Bactrim are Sulfamethoxazole and Trimethoprim
Let your doctor know of any history of thrombocytopenia, megaloblastic anemia, liver or kidney dysfunction, bronchial asthma, or severe allergic skin reactions before starting on Bactrim
Not for use with children under 2 months of age for treatment of otitis media
Extended use of this medication may cause electrolyte abnormalities
Women who are pregnant or breastfeeding should only use this medication if a doctor approves it
Be aware of medication expiry date
Negative drug interactions may occur between Bactrim and other Rx or OTC medications, including amlodipine, amoxicillin, atorvastatin, azithromycin, diphenhydramine, ciprofloxacin, cetirizine, doxycycline, furosemide, gabapentin, levothyroxine, lisinopril, losartan, metformin, metoprolol, omeprazole, oxycodone, pantoprazole, prednisone, tramadol, and trazodone. Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Bactrim generic online.
Bactrim side effects may occur, and some users may experience rash, pruritus (itching), photosensitivity, or rash. If any of these or more serious side effects are seen you may want to discontinue use and meet with a doctor again to discuss bacterial infection treatment medication alternatives and a pharmacist for a lower Bactrim DS cost.
Can Bactrim cause yeast infection?
Yes, Bactrim (sulfamethoxazole/trimethoprim) can alter the balance of normal bacteria in the body, which can lead to an overgrowth of yeast and cause a yeast infection.
Can you drink on Bactrim?
It is advised to avoid alcohol while taking Bactrim, as alcohol can increase the risk of side effects such as stomach upset, dizziness, or liver problems.
Can Bactrim treat MRSA?
Yes, Bactrim is commonly used to treat MRSA (methicillin-resistant Staphylococcus aureus) infections, particularly skin infections, as it is effective against the bacteria.
How long will Bactrim stay in your system?
Bactrim has a half-life of about 10–12 hours, meaning it takes approximately 2-3 days to be cleared from your system after the last dose.
Is Bactrim good for UTI?
Yes, Bactrim is often prescribed to treat urinary tract infections (UTIs) caused by susceptible bacteria.
How long after taking Bactrim can I drink alcohol?
It is best to wait at least 24 hours after finishing a course of Bactrim before drinking alcohol to reduce the risk of adverse effects like nausea or liver damage.
How long does it take for Bactrim to work?
Bactrim usually begins to work within 24–48 hours, but it’s important to complete the full prescribed course for optimal effectiveness.
Is Bactrim safe in pregnancy?
Bactrim is generally not recommended during pregnancy, particularly in the first trimester, due to potential risks to the baby. Always consult your doctor before using it during pregnancy.
Can Bactrim treat sinus infection?
Yes, Bactrim can be used to treat sinus infections caused by certain bacteria, though other antibiotics may be preferred depending on the bacteria involved.
Can Bactrim cause sun sensitivity?
Yes, Bactrim can make you more sensitive to sunlight, increasing the risk of sunburn. It’s important to wear sunscreen and avoid prolonged sun exposure while taking this medication.
