Hello there @abqpatriotsfan, and welcome to Mayo Clinic Connect. I'm glad you found this online support community. Have you had a chance to read any of the many posts from the Camzyos group? Here is a link for that:
https://connect.mayoclinic.org/discussion/camzyos-mavacamten-prescription/
Camzyos is relatively new, and there may be side effects the drug manufacturer has not noted before. While we wait for some of the Camzyos folks to respond, have you had a chance to ask your cardiologist or pharmacist if increased glucose is a side effect?