hello,welcome to healthcaremagic there can be multiple causes for intermittent abdominal pain like gastroenteritis, peptic ulcer disease, cholecystitis, intestinal obstruction, appendicitis(rarely intermittent), peritonitis,hepatitis, PID etc following detailed history and clinical examination is required to narrow it down- site duration onset severity frequency associated with nausea/vomiting/diarhoea/dysentry association with food intake radiation of pain investigations- xray abdomen CECT abdomen etc will be required. for symptomatic relief take anti spasmodic like drotavarine, or dicyclomine and follow up with a doctor nearby. lump in throat corresponds to some oesophagus disease which should be looked upon with further more evaluation. hope it helps. thank you