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Doctor insights on: Bactrim Ds Mrsa Dosage

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Dr. Peter Kurzweil
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Dr. Michael Ein
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Mrsa (Definition)

MRSA, methicillin-resistant Staphylococcus aureus, is a certain strain of bacteria that is resistant to several antibiotics. It most commonly causes skin infections and abscesses, ...Read more


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What dosage of bactrim for mrsa?

DS 3X/day: If you are normal size with normal renal function 1 double strength tablet (160/800 mgs) 3 times a day. ...Read more

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Dr. Peter Kurzweil
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44 years in practice
16M people helped
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My doctor prescribed me bactrim ds for mrsa. The directions are 2 twice a day. Is that a normal dose?

My doctor prescribed me bactrim ds for mrsa. The directions are 2 twice a day. Is that a normal dose?

Yes, it can be: For MRSA (methicillin resistant staph aureus) infections, 2 ds (double strength) tabs 2x per day are often an appropriate dose. This dose is used in adults and is typically based on weight and size of the patient. Mrsa is not an infection to take lightly and properly treating this is very important. ...Read more

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What is the dose of bactrim for mrsa?

Bactrim For MRSA: If the strain of MRSA is sensitive to bactrim, the normal dose in a patient with normal kidney function would be one Bactrim ds tablet every 12 hours. ...Read more

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Dr. Peter Kurzweil
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44 years in practice
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I was just diagnosed with ca-mrsa and i'm scared since it is often resistant to drugs. I just started bactrim ds tonight. What are the chances of it not responding to any drug? How can you know if it's caught early enough? Thank you!

Partially resistant: Ca MRSA is not particularly worse than having regular staph infection. It is not related to the flesh eating bacteria scare. The choice of antibiotics is limited, but generally the infection is sensitive to at least a few of the mainstream antibiotics of which Bactrim is one. If your doctor thought you were at great risk you would not be at home. ...Read more

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I was told I had MRSA and put on bactrim ds for 10 days, twice a day. After wanting to confirm dx, the dermo did a culture and it showed nothiing! dermo thinks its just back acne. He told me to finish bactrim then he will start me on doxycycline. Is that

I was told I had MRSA and put on bactrim ds for 10 days, twice a day. After wanting to confirm dx, the dermo did a culture and it showed nothiing! dermo thinks its just back acne. He told me to finish bactrim then he will  start me on doxycycline. Is that

Sounds good: Mrsa is a scary bug but there a great many different strains and many folks harbor them on their skin with no harm. A physician seeing someone with one or more pimples may feel obligated to biopsy for MRSA and treat it as such since it's by far more serious even if it's not really present. It sounds like your dermatologist made the right move. ...Read more

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My 16yo has a MRSA infection is taking bactrim ds for 8.5 days (prescribed for 10) and using clindamycin gel . She has stomach pain, continue meds?

MRSA: Answers on healthtap aren't intended for individual treatment, prescription or diagnosis. This should be asked of and discussed with the doctor who prescribed the medication for the mrsa. Although this may be a reaction to medication it may be something entirely different. Good luck. ...Read more

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Is bactrim good for mrsa?

MRSA: Generally local skin lesions can be easily treated with Bactrim or septra if you are not allergic to sulfa drugs. ...Read more

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Can bactrim treat mrsa?

MRSA: Local skin lesions are generally easily treated with Bactrim or septra, assuming you are not allergic to sulfa drugs. ...Read more

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Bactrim (Definition)

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


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Dr. Peter Kurzweil
Board Certified, Internal Medicine
44 years in practice
16M people helped
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