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.
After the initial discomfort in a specific area, blisters begin to emerge. This contagious rash can take two to four weeks to go away, but once a flare-up ends, an individual will no longer be contagious. Shingles duration varies based on whether people take medication and the current state of their health, however. Potential for Transmission