I am lactose intolerant and I ate some food with milk in it. 24 hours se ziyada hogia hai mere stomach mai dard hai cramps par rahy hain musalsal or cramps k sath nausea ki feeling b hai. Paini k ek sip ya khana k morsal k bad dard tez ho jati hai. Constant burp b arahy hain but no relief. Please help.