I have histamine intolerance and due to this I have chronic urticaria and indigestion with gas trouble. After lunch I feel heavy and feel like digestion is very slow. I tried many medicines including anti histamines but it gave me temporary relief for urticaria and no relief for indigestion and bloating. Then I started taking Wow antibiotics which gave me relief from urticaria to a great extent. But I still have a problem of slow digestion and feel gassy as well as get headache. When gas is released I fell better and headache is gone. I also take digestive enzymes analyse, Lipase, Triptase and Protease but not giving me relief. Now I am thinking of adding Alfa galactosidase, Phytase, Invertase etc. Will it help? . Please advise.