When I first began wearing contact lenses, I discovered that I had a bad reaction to thimerosal. When I researched further, I discovered that yes indeed, an allergic reaction or sensitivity to thimerosal could appear as vomiting. Minor Vaccine Components Thimerosal isn't the only vaccine additive that causes a high number of reactions. The following are among the more common ingredients. The following is not a complete list of minor vaccine components.
Thimerosal is a mercury-based preservative.
Most commonly known for its presence in eye care products, it is also used for many dead-virus vaccines. Gelatin is used as an inert stabilizer in several vaccines, including MMR and Varicella. Adverse reactions include headaches, nausea, and vomiting. While there are no officially recorded adverse reactions that can be traced specifically to the MSG component of vaccines, anyone who is sensitive to MSG in food should watch for reactions. MSG is present in the Varicella vaccine.