Nux vomica is one of the top remedies for indigestion , especially after overeating. Sour taste and nausea in the morning after eating. Weight and pain in stomach, worse eating, sometime after. Epigastrium bloated with pressure as of a stone several hours after eating. Heartburn. Heartburn after taking coffee, spicy food, and alcoholic drinks. Constipation. Constipation with frequent ineffectual urging is a leading symptom of Nux vomica.