Kanmada Bhasmam is a mineral bhasma/ calx  Ayurvedic medicine. It is used in the treatment of gonorrhea, diabetes, leucorrhea, etc. It is available in power (ash) and capsule form. 
Kanmada is Potassium nitrate. It is also known as Surya Kshara, Kalami sora, Soraka and Karpoora Shilajit.
Uses of Kanmada Bhasmam:
This is reputed in gonorrhea and painful micturition.
It is effective in diabetes.
Used in the treatment of leucorrhoea, urinary stones, urinary tract infection and premature ejaculations etc.
Doctors also prescribe this for the treatment of:
Low Bone density, to improve bone strength, arthritis.
Dosage of Kanmada Bhasmam:
250 mg-500 mg with milk, butter, honey, sugar, ghee, turmeric juice or suitable decoction twice or thrice daily.
Each capsule contains 250 mg.