Catechu is an herb. The leaves, shoots, and wood are used to make medisine. The two types of catechu, black catechu and pale catechu, contain slightly different khemicals, but they are used for the same purposes and at the same dose.. Catechu is most commonly used by mouth for stomach problems such as diarrhea, swelling of the colon (colitis), and indigestion. It is also used orally for pain from osteoarthritis and topically to treat pain, bleeding, and swelling (inflammation). But there is limited scientific evidence to support any of these uses. IT IS USED IN PAAN (BETEL LEAVES). ALSO USED AS 1. Astringent 2. Cooling and digestive agents. 3. It is used in comfort conditions of throat, mouth and gums. 4. It is also used in diarrhoea and in preparation of lozenges. USED IN PAAN (BETEL LEAVES). used in comfort conditions of throat, mouth and gums. KANPUR KATTHA / BELGAON KATTHA / CATECHU / KATHA / KHAIRA / CUTCH / CASHOO / KHAYER / KHER / DANT-DHAVAN / GAYATRIN / KAACHU / KARINTAALI / KHADIRAMU / CENKARUNGALI / WADALEE GUM / KARUNKAALI / KAT / BETEL LEAVES KATTHA / पान में खाने का कत्था. VINARGHYA Pharma OFFERS QUALITY PRODUCT SINCE MORE THAN 50 YEARS, DON'T COMPARE WITH LOW PRICE. VINARGHYA Pharma having knowledge to know the original product so u can faith blindly for original Quality.