What are side effects of ranitidine hcl ?

Not much: Ranitidine is the active ingredient in zantac, (ranitidine) and is generally well-tolerated with no side-effects.

GI effects: Common side-effects are diarrhea, nausea, vomiting & constipation. Other reported effects include muscle pain, malaise, dizziness, dry mouth. There are more serious adverse effects that occur rarely & may be coincidental rather than causal. Dr. Neilsen is correct: for most patients Zantac (ranitidine) is a well-tolerated, effective medication when use as directed under the supervision of your physician.

Drug side effects: You can learn about ranitidine and other drug side effects from the national library of medicine patient education website, where you can choose 'health topics' or 'drugs and supplements'. The web address is: http://www.Nlm.Nih.Gov/medlineplus/healthtopics.Html.