Nux Vomica (Poison Nut) is a homeopathic remedy to treat nausea and vomiting due to over eating and drinking and may Enhance constipation, flatulence, indigestion, motion sickness, backaches, fevers, headaches, and can Enhance break the habit of using laxatives. Nux Vomica 30C. Homeopathic Medicine. Caring for the health of body & mind since 1835. For the temporary of acid indigestion, gas or sour stomach.Characteristics: You may feel irritable or impatient; sensitive to noise and light. Symptoms often associated with overindulgence of stimulants, alcohol or fatty foods.