Zantac and muscles

Have been taking zantac 300 for about two weeks. At the beginning, took it in the mornings but fatigue was so extreme that I had to switch to taking it at night. Started waking with extreme breathlessness and stomach cramps, which I didn't tie in with the tablets. Two weeks later, stomach cramps (stomach and centre abdomen) are getting increasingly worse. I've also had increased anxiety, a trapped gas feeling in entire abdomen, I burp constantly but the burps don't relieve me and I feel breathless and very panicky with them and I also feel that I am full up to my eyeballs, even after the smallest amount of food. I've lost my appetite even more (something I didn't think was possible considering how little I was eating). My joints and muscles ache. But the reason I'm going to stop taking this tonight is the unbearable stomach pain, I'm hoping the Zantac is the reason for this ... the ulcer pain that I had prior to starting Zantac was more bearable, I think I'll stick to antacids.

peripheral neuropathy is my zantac "side" effect...the inability of your stomach to process Vitamin B12 is a common cause of peripheral
neuropathy and should be checked in anyone with symptoms/signs of a peripheral neuropathy. Gastric acid inhibitory drugs are being reported, related to prolonged use as an aid for acid suppresion, not allowing the growth of normal microorganisms in the digestive system. This seemingly rare effect inhibits the digestive acids the body incorporates to breakdown and allow absorbtion of vitamin b-12 into our circulatory system. Vitamin B-12 is the "food" our nerves drastically need to remain healthy and aid the nerves to be free from unusual and abnormal degeneration. This excrutiatingly painful condition is relatively high in diabetic patients due to circulatory anomalies associated with diabetes itself. The most common sufferers of this horribly painful affliction, sans diabetics, is long term zantac (or other acid blocker/inhibitors)use. Research pernicious anemia, it is a cause of vitamin B12 deficiency and is associated primarily with lack of acid production. I never read THAT side effect in the list of precarious, but usually long, as to cover any imagined re-action to a drug that can be faintly contrived and cover their rectums from recourse by simply stating...hmm, so sorry, didn't you read that in the danger side effects list before you began your physician prescribed treatment? Surely you read it, right between post menstrual syndrome for men and panties constantly gathering in a group causing a mass, or wad if you will? If I mass produce arsenic to use on acne, am I not culpable and/or responsible if a patient dies from arsenic exposure caused by the application of the arsenic to the acne region being absorbed and doing what arsenic does...such as kill people? BUT I disclaimed that side effect!!!! An acid inhibitor stopping the production of an essential acid?? Who would have thought that the "poison" would perform in the manner it was designed for and who in the most southern hemispheres of hell that showed up at any of their medical classes to earn that MD degree, didn't see that one coming...surely they knew there were "good witches" as well as "bad witches"...how do you discriminate between the two? I would have preferred to drink pepto, eat tums,drank alka-seltzer, or slept standing up as opposed to this lot I have drawn!