Suggest Treatment For Bloating, Pain And Constipation

I was wondering if you could help us my husband got back about 12 years ago he suffers with severe bloating of the stomach when he gets severe pain constipation it and he s very almost at the time I loved it is leptin Queensland Steve is 20 now 56 years old is left open tins and dumb you know up in the tropics and where is there a trouble call when you got set he was living on the Gold Coast on a farm it been there 7 years and years on tank water and Creek Wars up on me also got a lot of texts on I m and that I m wanting is up at the farm and also delete shares are there was foxes up their cattle he handled snakes it but now the house which you take further out the bush and let go and this is where he got very sick after living there for about 7 years I could you give us any ideas of yours any type of parasites that could do this to him because the hospital has done all sorts of tests and have come up with nothing they haven t done test for parasites