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Doctor insights on: Bactrim Itchy Hand

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I'm taking Bactrim (sulfamethoxazole and trimethoprim) for a UTI and I had sun exposure and I'm itchy. Anything I should do? Thanks

I'm taking Bactrim (sulfamethoxazole and trimethoprim) for a UTI and I had sun exposure and I'm itchy.  Anything I should do?  Thanks

Yes: Bacterium is a sulfonamide and that group of drugs has Sun sensitivity. So, be cautious of Sun until a few days after course is over , and take an antihistamine for the itch. ...Read more

Bactrim (Definition)

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


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I'm on bactrim (sulfamethoxazole and trimethoprim) antibiotic for a uti. Been taking it for about 5 days. Just tonight I noticed big itchy red welts all over my body. Alergic reaction?

I'm on bactrim (sulfamethoxazole and trimethoprim) antibiotic for a uti. Been taking it for about 5 days. Just tonight I noticed big itchy red welts all over my body.  Alergic reaction?

Yes: You are most likely experiencing an allergic reaction to bactrim (sulfamethoxazole and trimethoprim). Because one component of Bactrim (sulfamethoxazole and trimethoprim) is sulfamethoxazole, you should not take Bactrim (sulfamethoxazole and trimethoprim) if you are allergic to sulfa drugs. Severe dermatologic reactions, including fatalities have been reported with the use of bactrim (sulfamethoxazole and trimethoprim). Discontinue the antibiotic and see your doctor for an alternative treatment/follow-up. ...Read more

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How worried should I be about swollen cervical lymph? Took zpac for sinus, still swollen, on day 4 of bactrim (sulfamethoxazole and trimethoprim). Neck itchy 3 weeks prior, related? Ty

How worried should I be about swollen cervical lymph?  Took zpac for sinus, still swollen, on day 4 of bactrim (sulfamethoxazole and trimethoprim).  Neck itchy 3 weeks prior, related? Ty

Wait and see: Sounds like you recently took a lot of antibiotics. After Azithromycin and bactrim, (sulfamethoxazole and trimethoprim) you do not need any more. Commonly with a sinus infection, post nasal drip can cause a scratchy throat. Swollen lymph nodes are a nonspecific symptom which can indicate infection, inflammation or malignacy. Your symptoms should improve within 1-2 weeks. If not a return visit to your doctor is indicated. ...Read more

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Had itchy dark rash under l breast for 5 weeks aftertaking bactrim (sulfamethoxazole and trimethoprim) it appeared took over counter meds won't go away could it be breastcancer im scared?

Had itchy dark rash under l breast for 5 weeks aftertaking bactrim (sulfamethoxazole and trimethoprim) it appeared took over counter meds won't go away could it be breastcancer im scared?

No breast cancer: Will not present that way , most likely you may have fungal infection under breast fold , due to sweating , excoriated skin, see your doctor even better see a dermatologist ...Read more

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Had UTI, took Bactrim (sulfamethoxazole and trimethoprim) and 1 diflucan pill to take after. 2 weeks later have a lot of burning in vulva and itchiness. Is this a yeast infection?

Had UTI, took Bactrim (sulfamethoxazole and trimethoprim) and 1 diflucan pill to take after. 2 weeks later have a lot of burning in vulva and itchiness. Is this a yeast infection?

UTI treatment: Frequently Bactrim (sulfamethoxazole and trimethoprim) will successfully treat the bug causing your UTI. But sometimes not. I would get a mid-stream collection of your urine at the lab and send it for a culture and sensitivity. That test will what antibiotics will kill the bug. Your doc can check to see if you have a yeast infection. I counsel women to eat yogurt with live cultures when I prescribe an antibiotic. ...Read more

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I have a MRSA infection that consists of itchy pimples on my arms, back, and belly. I am taking bactrim (sulfamethoxazole and trimethoprim) for 10 days. After 5, little improvement.

I have a MRSA infection that consists of itchy pimples on my arms, back, and belly. I am taking bactrim (sulfamethoxazole and trimethoprim) for 10 days. After 5, little improvement.

Infectious disease: I think after this much time and your recurring questions, it may be time to see an infectious disease specialist or to get an opinion from an expert in person. ...Read more