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Difference Between Sulfamethoxazole Tmp Ss Tab And Sulfamethoxazole Tmp Ds Tab

Updated October 6, 2014
wayne Y Says:
Fri, October 3, 2014

what is the difference between sulfamethoxazole tmp ss tab and sulfamethoxazole tmp ds tab (bactrim ds tablet)? Are they same dosages? Can one use them interchangeably?
Thanks

1 Reply

1
David Says:
Mon, October 6, 2014

Hi wayne,

From what I could gather, I believe the difference between the "SS" vs "DS" is single strength and double strength tablets. The DS tablets reportedly contain double the amount of active ingredients and I've also heard this was the case from other patients who've received an answer to this question as well.

The other important difference to know about is that the double strength tablet is usually only taken twice daily as opposed to four times a day with the regular strength tablets. So if you're going to be interchanging between the two dosages, you'll also have to take timing into consideration as well. However your doctor can suggest the most beneficial way to distribute your doses in order to stay within proper dosing guidelines.

I hope this helps!

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