Doctors have tested the shingles vaccines on thousands of people to ensure their efficacy and safety. Most of the time, the vaccine is safely administered without any side effects.When it does cause reactions, they’re usually mild.People have reported side effects including redness, swelling, itching, or soreness in the area of skin where they were injected.A small number of people have complained of a headache after being vaccinated.In very rare cases, people have developed a severe allergic reaction to the shingles vaccine. This reaction is called anaphylaxis.Signs of anaphylaxis include:
- swelling of the face (including the throat, mouth, and eyes)
- warmth or redness of the skin
- trouble breathing or wheezing
- irregular heartbeat
- rapid pulse
If you have any of these symptoms after getting the shingles vaccine, seek medical help right away. Anaphylaxis can be life-threatening.