• Bactrim, Cotrim, Septra, Sulfatrim
See also ]]>Antibiotics (General)]]>
Trimethoprim (Proloprim, Trimpex) is commonly combined with sulfamethoxazole (Gantanol) for an antibiotic combination that gives a one-two punch against bacteria.
Supplementation Likely Helpful
Both trimethoprim and sulfamethoxazole interfere with folate: The sulfamethoxazole makes it hard for invading bacteria to manufacture folate, and the trimethoprim makes it hard for bacteria to use the folate. The net effect is to starve the bacteria of this necessary vitamin.
Humans and other mammals are much less affected by these antibiotics than are bacteria, due to the different way we process folate. However, trimethoprim can still interfere to some extent in your body's ability to utilize this essential nutrient. Folate supplementation may be helpful if you take this antibiotic for a long period of time (to prevent urinary tract infections, for example). ]]>1]]>
Possible Negative Interaction
The herb white willow contains substances very similar to aspirin. On this basis, it might not be advisable to combine white willow with trimethoprim or sulfamethoxazole.
3. Vinnicombe HG, Derrick JP. Dihydropteroate synthase from Streptococcus pneumoniae: characterization of substrate binding order and sulfonamide inhibition. Biochem Biophys Res Commun 258: 752–757, 1999.
Last reviewed April 2009 by EBSCO CAM Review Board]]>
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