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Manufactured by Merck & Co., Inc.

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M-M-R II Uses, Side Effects, Interactions, Warnings & Dosing

What is M-M-R II?

What is M-M-R II?

M-M-R II is the brand name for mumps, measles, and rubella live vacccine and is available as an intramuscular or subcutaneous injection.

What dosages is M-M-R II available in?

What dosages is M-M-R II available in?

M-M-R II is available as an intramuscular or subcutaneous injection.

What is M-M-R II used for?

What is M-M-R II used for?

M-M-R II is a vaccine and is used to prevent measles, mumps, and rubella (MMR) in adults and children 1 year of age and older.

How does M-M-R II work?

How does M-M-R II work?

M-M-R II and Priorix are both vaccines that protect you from infection from measles, mumps, and rubella. They’re live-attenuated vaccines that’re made from a weakened version of the live viruses. Both vaccines help your body’s immune system make antibodies against the MMR viruses. If you ever become infected with MMR, these antibodies will attack the viruses and fight off the infection.

How do I take M-M-R II?

How do I take M-M-R II?

M-M-R II is typically dosed as follows:

  • The first dose is administered at 12 to 15 months of age
    The second dose is administered at 4 to 6 years of age
Is it safe for me to take M-M-R II?

Is it safe for me to take M-M-R II?

M-M-R II is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if any of the following apply:

  • Hypersensitivity to any component of the vaccine
  • Immunosuppression
  • Moderate or severe febrile illness
  • Active untreated tuberculosis
  • Pregnancy
M-M-R II Common Side Effects

M-M-R II Common Side Effects

Common side effects of M-M-R II:

  • Feeling irritated
  • Drowsiness
  • Losing appetite
  • Injection site pain
  • Fever
  • Redness
M-M-R II Serious Side Effects

M-M-R II Serious Side Effects

Serious side effects are rare with M-M-R II. Contact your healthcare provider immediately if you experience any of the following.

  • Serious allergic reactions: Hives, rash, shaking, itching, nausea, flushing, dizziness, shortness of breath, chest pain
  • Febrile seizure (fever with seizures): Eye rolling, stiff arms and legs, loss of consciousness, shaking of arms and legs
  • Meningeal irritation (irritation of the brain tissue): Neck stiffness, sensitive to bright light, headache
Effects of other drugs, drug classes and over-the-counter products on M-M-R II

Effects of other drugs, drug classes and over-the-counter products on M-M-R II

The following medications may interact with M-M-R II:

  • Administration of immune globulins and other blood products concurrently with M-M-R II vaccine may interfere with the expected immune response
  • M-M-R II vaccination may result in a temporary depression of purified protein derivative (PPD) tuberculin skin sensitivity
Who makes M-M-R II?

Who makes M-M-R II?

Merck & Co., Inc.

Is M-M-R II safe in pregnancy?

Is M-M-R II safe in pregnancy?

M-M-R II vaccine is contraindicated for use in pregnant women because infection during pregnancy with the wild-type viruses has been associated with maternal and fetal adverse outcomes. Female patients should avoid pregnancy for 1 month following vaccination.


What to do if you missed your M-M-R II dose

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NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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