A LLMD (ILADS) knows that Lyme is a clinical diagnosis...and testing is just to back up the diagnosis.
Many people don't have the immune function to produce the required antibodies that translate into a positive test result.
Many, many people use herbals and are having great results. No, you don't need to do in combination with abx.
Buhner's protocols are popular. You can purchase his books and the full protocols are listed.
Here is the website. It's not as comprehensive as his books, but, it's definitely a place you could start.
buhnerhealinglyme.comSome Buhner recommended sources for herbs:
Green Dragon Botanicals (capsules)
Woodland Essence (tinctures)
Sage Woman Herbs (tinctures)
Lots of help on this forum if you want to go the herbal route.
Other thing: You need to start detoxing...if you haven't already. Start of with a couple methods...and every few days add in another. You will want to do multiple methods daily.