Is shingles vaccine effective after outbreak?

The shingles vaccine is most effective when given before an outbreak occurs. However, it can still be effective if given after an outbreak, although the level of protection may be reduced.

The shingles vaccine is a live vaccine, which means that it contains a weakened form of the virus that causes shingles. When the vaccine is given, the body's immune system responds by producing antibodies against the virus. These antibodies can help to protect the person from future outbreaks of shingles.

The effectiveness of the shingles vaccine varies depending on the person's age and health. In general, the vaccine is most effective in people who are over 50 years old and who are healthy. The vaccine is also less effective in people who have weakened immune systems, such as those with cancer or HIV/AIDS.

If you have had an outbreak of shingles, it is still important to get the shingles vaccine. The vaccine can help to reduce the risk of future outbreaks, and it can also help to prevent complications from shingles, such as postherpetic neuralgia.