Acupuncture and chiropractic go a long way in keeping the body in sync. If I feel something coming on, some go-to’s include elderberry syrup (easy to make), echinacea, goldenseal, zinc, D, garlic cloves fermented in local honey with cinnamon. oregano oil, lots of vitamin C. A powerful antibiotic can be made from a tincture of usnea, also called old man’s beard.