I never had hep A, but have considerable experience with nausea and vomiting, While on treatment for hep c these symptoms were almost continuous. Ondansetron 8mg
ODT (orally disolving tablets) worked well and gaviscon, that I learned would stop my retching immediately. One morning I was standing at the counter trying to figure out how I was going to get down 20 grams of fat so I could take my pills and began to retch.