Qualifications for taking vancomycin?

This antibiotic does not have an interaction with HBP/heart issues:

https://www.drugs.com/disease-interactions/vancomycin.html

Before taking this medicine
You should not vancomycin if you are allergic to it.

To make sure vancomycin is safe for you, tell your doctor if you have ever had:

an intestinal disorder such as inflammatory bowel disease, Crohn's disease, or ulcerative colitis;

kidney disease;

hearing problems; or

if you are receiving any intravenous (IV) antibiotics.

Tell your doctor if you are pregnant or breastfeeding.

https://www.drugs.com/vancomycin.html

In my opinion, and I am not a Dr., you can take it as long as it is prescribed to you by a medical professional.