davecom Posted May 3, 2013 Report Share Posted May 3, 2013 With the terrible esophagus/GERD problems I'm having, constant burping, and my inability to take PPIs due to severe headaches (and even wondering if it was the instigator in starting my POTS) I'm trying famotidine instead of ranitidine. I know they have the same mechanism of action. I know famotidine has less drug interactions than ranitidine (for example, it does not interact with midodrine). Why do so many use ranitidine instead of famotidine? Why do all of the MCAS people use ranitidine instead of famotidine it seems? Quote Link to comment Share on other sites More sharing options...
NMPotsie Posted May 3, 2013 Report Share Posted May 3, 2013 All my doctor said is that they both are pretty much the same but 150 mg ranitidine is cheaper than 40 mg famotidine (comparable doses) so they recommend you try the cheaper option first unless you're on a med that might cause an issue. Same advice was given regarding zyrtec and allegra, but for whatever reason allegra works much better for me than zyrtec with the mast cell issue. I've never actually compared prices on the drugs you asked about, since zantac works pretty well for me, so I'm not going to attest to it, but that was the conversation we had. Quote Link to comment Share on other sites More sharing options...
Darlene Posted May 3, 2013 Report Share Posted May 3, 2013 the yellow dye in rantidine gives me diarrhea. i now take famotadine 40 mg. Quote Link to comment Share on other sites More sharing options...
AussieOI Posted May 3, 2013 Report Share Posted May 3, 2013 Not sure but in Australia Nexium/Prilosec is a very popular drug for GERD Quote Link to comment Share on other sites More sharing options...
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