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Doctor insights on: Trimethoprim And Sulfamethoxazole Medication

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What to do if I had primpex (trimethoprim and sulfamethoxazole) please what are the side effects?

What to do if I had primpex (trimethoprim and sulfamethoxazole) please what are the side effects?

Unless you: Have a reaction to one of the ingredients, side effects are very uncommon. Check w/your doctor or look up a website such as drugs. Com or epocrates ...Read more

Bactrim (Definition)

Trimethoprim and sulfamethoxazole, cotrimoxazole is a combination antibiotic that is used to treat a ...Read more


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Is bactrim (sulfamethoxazole and trimethoprim) and sulfamethoxazole-tmp basically the same thing?

Is bactrim (sulfamethoxazole and trimethoprim) and sulfamethoxazole-tmp basically the same thing?

Identical: Septra is also the same thing. Sulfamethoxizole-tmp is the generic form. Bactrim (sulfamethoxazole and trimethoprim) is manufactured by roche and septra by glaxo. Roche developed sulfa component & glaxo the trimethoprim. Roche have done a better job marketing & hence is better known. ...Read more

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Is Bactrim (sulfamethoxazole and trimethoprim) an effective medication to treat Prostatitis?

Is Bactrim (sulfamethoxazole and trimethoprim) an effective medication to treat Prostatitis?

Yes: Other supportive measures include stool softeners, antipyretics, bed rest. Important to make sure there is no abscess or any other complication. Urological evaluation may be needed, ...Read more

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I have been suffering from acne for a couple years and have been taking bactrim (sulfamethoxazole and trimethoprim) for 4 months. Acne has cleared so can I stop taking the medication?

I have been suffering from acne for a couple years and have been taking bactrim (sulfamethoxazole and trimethoprim) for 4 months. Acne has cleared so can I stop taking the medication?

Yes: You should not take an antibiotic as sole therapy for acne in any case, or any antibiotic for a long time. Your best move would be to stop this and continue whatever topical agent you are using, or topical benzoyl peroxide at least for a while; taper it and see what happens. If you recur, chances are a topical agent will clear you; if not get with your physician. ...Read more

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Taking bactrim (sulfamethoxazole and trimethoprim) for uti. This is my second UTI in a month. I have broken out in a rash. Want to know if I should just finish the medication or stop?

Taking bactrim (sulfamethoxazole and trimethoprim) for uti. This is my second UTI in a month. I have broken out in a rash. Want to know if I should just finish the medication or stop?

Stop: I would be concerned that the rash is an allergic reaction to the bactrim (sulfamethoxazole and trimethoprim). Call the provider who prescribed the Bactrim (sulfamethoxazole and trimethoprim) to determine if you need to be switched to an alternative antibiotic to treat the uti. ...Read more

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I am taking bactrim (sulfamethoxazole and trimethoprim) for 6 days and as it has conceded with my menstrual cycle I see the bleeding is heavier than usual. Should I stop the medication?

I am taking bactrim (sulfamethoxazole and trimethoprim) for 6 days and as it has conceded with my menstrual cycle I see the bleeding is heavier than usual. Should I stop the medication?

Unrelated: Bactrim (sulfamethoxazole and trimethoprim) does not affect menstrual cycles. The changes in your cycle could be coincidental. It could also be related to whatever infection you have that caused the doctor to give you antibiotics. Regardless you should not take the medication in a way other than what was prescribed by your doctor. ...Read more

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Is there any over-the-counter drug like bactrim (sulfamethoxazole and trimethoprim)?

No: In the usa antibiotics are not available over the counter. Excessive use of antibiotics leads to bacterial resistance. ...Read more

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Very allergic to sulfa drugs, took 1 Bactrim (sulfamethoxazole and trimethoprim) 800 in error. What should I do?

Very allergic to sulfa drugs, took 1 Bactrim (sulfamethoxazole and trimethoprim) 800 in error. What should I do?

Antihistamine helps: In such a situation, one can take antihistamines such as Benadryl, (diphenhydramine) Claritin, Allegra, or Zyrtec (all over-the-counter) and call her primary care doctor. What the doctor might do will likely depend on the type of reaction the patient has had in the past, how severe the reaction was, how fast the reaction happened, etc... Immediate, severe allergic reactions require an injection (EpiPen) and 911. ...Read more

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Can a person have a rash develop from bactrim (sulfamethoxazole and trimethoprim) a day after finishing a 7-day course of the drug?

Can a person have a rash develop from bactrim (sulfamethoxazole and trimethoprim) a day after finishing a 7-day course of the drug?

Probably > 1day.: A person can have a rash from Bactrim (sulfamethoxazole and trimethoprim) or any other drug, but it likely developed during the course of the drug, not after. It may have been too subtle at first, and could have been attributed to other things, like food allergy or contact allergy from clothes washed with a detergents that can cause a rash in those who are susceptable. ...Read more

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What is the chance of getting a 2nd bactrim (sulfamethoxazole and trimethoprim) rash. A month after using the drug and stopping because of the 1st rash the drug was ok for a year before?

What is the chance of getting a 2nd bactrim (sulfamethoxazole and trimethoprim) rash. A month after using the drug and stopping because of the 1st rash the drug was ok for a year before?

High: You are likely developing a sulfa allergy, in which case the allergy (/rash) will show up quicker and more intensely with next exposure to it. Not recommended in general. ...Read more

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If allergic to Bactrim (sulfamethoxazole and trimethoprim) & Ceclor, is allergy to all sulfa drugs & cephalosporins assumed?

If allergic to Bactrim (sulfamethoxazole and trimethoprim) & Ceclor, is allergy to all sulfa drugs & cephalosporins assumed?

Only if true allergy: Often, a side effect to a particular drug may by mistaken as an allergic reaction to a drug. If what you have experienced is a true allergic reaction, then you should avoid these types of drugs. ...Read more

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I got done with medicine for UTI, bactrim (Sulfamethoxazole and Trimethoprim) and took a drug test for a new job 52 hours after, will it be positive?

I got done with medicine for UTI, bactrim (Sulfamethoxazole and Trimethoprim) and took a drug test for a new job 52 hours after, will it be positive?

No: Bactrim isn't included in the panel of drug testing nor it will affect the test, and 52 hours are enough to eliminate the drug out of your system, good luck with your new job ...Read more

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Hi. Male and 40. Couldn't orgasm tonight. Recently went to ER for uti and dehydration. On Bactrim, (sulfamethoxazole and trimethoprim) trazedone, and Prozac. Do these drugs cause this?

Hi. Male and 40. Couldn't orgasm tonight. Recently went to ER for uti and dehydration. On Bactrim, (sulfamethoxazole and trimethoprim) trazedone, and Prozac. Do these drugs cause this?

Possible: Both Prozac (fluoxetine) and Trazodone can cause decreased libido as side effects. You are taking two antidepressants. Not clear why this is necessary. Suggest you discuss with prescribing doctor to review these meds and consider lower dose (s). I hope this helps. Best wishes. ...Read more

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I am talking bactrim (sulfamethoxazole and trimethoprim) for an infection, why do I need to drink lots of water with this drug? It's 2 am and I just had major leg cramps, is this related?

I am talking bactrim (sulfamethoxazole and trimethoprim) for an infection, why do I need to drink lots of water with this drug? It's 2 am and I just had major leg cramps, is this related?

UTI?: Bactrim (sulfamethoxazole and trimethoprim) is most commonly caused for urinary tract infections. It is often recommended that people with UTI drink lots of fluids, to help reduce urinary urgency or pain. In other words, it probably isn't because you are taking bactrim (sulfamethoxazole and trimethoprim). Neither the fluids, UTI, nor bactrim (sulfamethoxazole and trimethoprim) is a likely cause of your leg cramps. Ask your doctor if it continues. Best wishes and good luck. ...Read more

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What is Bactrim (sulfamethoxazole and trimethoprim)?

What is Bactrim (sulfamethoxazole and trimethoprim)?

Bactrim (sulfamethoxazole and trimethoprim): Bactrim (sulfamethoxazole and trimethoprim) contains sulfonamide & is used to treat or prevent infections.. ...Read more

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Can bactrim (sulfamethoxazole and trimethoprim) be crushed?

Yes: It can but it tastes bad. Ask for the liquid suspension form. ...Read more

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What class is bactrim (sulfamethoxazole and trimethoprim) ds?

2 classes: Bactrim (sulfamethoxazole and trimethoprim) is a combination of 2 drugs, trimetoprim and sulfamethoxazole. The first is a pyrimidine derivative and the second is a sulfonamide (sulfa). Ds stands for double strength as opposed to ss, single strength. The difference is in the dosage. ...Read more

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Can children take Bactrim (sulfamethoxazole and trimethoprim)?

Can children take Bactrim (sulfamethoxazole and trimethoprim)?

Bactrim (sulfamethoxazole and trimethoprim) indications: Bactrim (sulfamethoxazole and trimethoprim) and similar antibiotics are frequently used in children and safe when appropriately dosed according to weight. Those with Sulfa allergies should avoid this medication. ...Read more

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Who should not use Bactrim (sulfamethoxazole and trimethoprim)?

Who should not use Bactrim (sulfamethoxazole and trimethoprim)?

Bactrim (sulfamethoxazole and trimethoprim): "Bactrim (sulfamethoxazole and trimethoprim) is contraindicated in patients with a known hypersensitivity to trimethoprim or sulfonamides, in patients with a history of drug-induced immune thrombocytopenia with use of trimethoprim and/or sulfonamides, and in patients with documented megaloblastic anemia due to folate deficiency.
Bactrim (sulfamethoxazole and trimethoprim) is contraindicated in pediatric patients less than 2 months of age. Bactrim (sulfamethoxazole and trimethoprim) is also > ...Read more

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What is the shelf life for bactrim (sulfamethoxazole and trimethoprim)?

Check pharmacy label: Usually printed. Sealed containers from drug companies all have expiratory dates printed or stamped. Bactrim (sulfamethoxazole and trimethoprim) invariable has shelf life of at least a year, and likely is perfectly good for at least couple of years & does not require refrigeration. ...Read more

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Common side affects for bactrim (sulfamethoxazole and trimethoprim) ds?

Common side affects for bactrim (sulfamethoxazole and trimethoprim) ds?

The package insert..: ...Lists sun sensitivity, itching, rash, fever, digestive disorders, dizziness, loss of appetite, head pain, nausea, diarrhea, and sluggishness. In the real world, I rarely see any side effects from bactrim (sulfamethoxazole and trimethoprim). ...Read more

Dr. Arnold Malerman
124 Doctors shared insights

Sulfamethoxazole (Definition)

Sulfamethoxazole is a streptogramin which is a kind of anti-bacterial ...Read more


Dr. Sheila Smith
111 Doctors shared insights

Gantanol (Definition)

Gantanol is a streptogramin which is a kind of anti-bacterial ...Read more