Nausea after taking medication for H. pylori may be related to the stimulation of the drug itself, poor liver function and other factors, you can change the drug treatment or treat the primary disease first to relieve.
1. The stimulation of the drug itself: anti-Helicobacter pylori drugs are mainly omeprazole, bismuth, amoxicillin and other antibiotics, some antibiotics on the gastrointestinal tract stimulation effect is larger, after eating will appear nausea, vomiting and other phenomena, then you can replace the other stimulation effect of the drug alternative treatment.
2. Liver dysfunction: When liver dysfunction occurs, nausea after taking anti-Helicobacter pylori medication, then you should temporarily stop using anti-Helicobacter pylori medication, continue to use the drug may make liver damage aggravated, nausea will be more pronounced, you should be directed at the liver primary pathology treatment, such as entecavir treatment for hepatitis B, to be better after the improvement of liver function to continue anti-Helicobacter pylori treatment.
All of the above medications should be used under the guidance of a doctor, avoid self-medication.