Kortvarig brænden og/ eller svie på indgivelsesstedet, ledsmerter og/ eller - hævelse (som kan være forbigående eller kroniske), udslæt, usædvanlig blødning eller blå mærker under huden og hævelse af testiklerne.
Other side effects have been reported with the use of either the measles, mumps, and rubella vaccine manufactured by Merck & Co., Inc. or of its monovalent (single) components: burning and/ or stinging of short duration at the injection site, joint pain and/ or swelling (which could be transient or chronic), rash, unusual bleeding or bruising under the skin, and swelling of the testicles.