Sunnambu is used for chewing betel leaf. It is also used as paan chuna. It is edible along with betel leaf. Sunnambu has excellent antiseptic properties, acts as a pain reliever, and is a great remedy for asthma and allergies. Sunnambu is used for snake bites, scorpion bites, etc. Chunnam is also used for tumour breakdown. Sunnambu is also used in making kumkum.