I'm an RN also and also hate and never use antibiotics.
...just one of those people who prepare for everything ...if I have it I won't need or ever use it...if I don't have it I may need it.... <img src="http://www.traveltalkonline.com/forums/images/graemlins/Grin.gif" alt="" />

thankfully have never needed to access medical care abroad but I'm sure the BVI would treat you well if needed from reading post on here in the past.