Check the label on the medicine for exact dosing instructions. 1  Take Xifaxan by mouth with or without food. 2  Xifaxan works best if it is taken at the same time each day. 3  Continue to take Xifaxan even if you feel well.  If you miss a dose of Xifaxan, take it as soon as possible.
Shingles is contagious and can be spread from an affected person to babies, children, or adults who have not had chickenpox. But instead of developing shingles, these people develop chickenpox. Once they have had chickenpox, people cannot catch shingles (or contract the virus) from someone else.
Shingles is less contagious than chickenpox and the risk of a person with shingles spreading the virus is low if the rash is covered. If you have shingles. Keep the rash covered. Avoid touching or scratching the rash. Wash your hands often to prevent the spread of varicella zoster virus.