does injected meth cause or affect helicobacter pylori? i have been diagnosed with this and inject meth daily, however the first symptons of this were about 2 years ago i started having problems with my gut, i took ghb daily for about a year but weekends for years, i stil take ghb now. GHB and both meth use to make me go straight to the bathroom no problem, but now its like all of this build up stays in my due to h,pylori. did these drugs cause the disease? i want to cure the disease but wil b constant drug use keep bringing it back?