My husband 28 yrs old always have stomach ache whenever he eats outside. It's not that it's very frequent we eat , but sometimes it's inevitable. Moreover, upper right abdomen pains or burns , which may be due to liver . Previously he has symptoms of IBS. And everyday he goes for potty 4 to 5 times as he says it's not being clear. Wat are these symptoms of ? Plz suggest a homeopathic therapy . He's taking 10 drops of chelidonium majus daily in the morning and sometimes nux ..