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Manufactured by Merck & Co., Inc.

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Updated on 26 Apr 2024

PNEUMOVAX 23 Uses, Side Effects, Interactions, Warnings & Dosing

What is PNEUMOVAX 23?

What is PNEUMOVAX 23?

PNEUMOVAX 23 is the brand name for the polyvalent pneumococcal vaccine and is available as an intramuscular or subcutaneous injection.

What dosages is PNEUMOVAX 23 available in?

What dosages is PNEUMOVAX 23 available in?

PNEUMOVAX 23 is available in a (0.5-mL dose) single-dose vial and a single-dose, prefilled syringe.

What is PNEUMOVAX 23 used for?

What is PNEUMOVAX 23 used for?

PNEUMOVAX 23 is a vaccine and is used to prevent pneumococcal disease (infections caused by pneumococcus).

How does PNEUMOVAX 23 work?

How does PNEUMOVAX 23 work?

PNEUMOVAX 23 is a vaccine that protects you against pneumococcal disease, an infection caused by the bacteria Streptococcus pneumoniae (also known as “pneumococcus”). This bacteria can infect many parts of the body and cause serious problems. PNEUMOVAX 23 is also an inactivated vaccine that helps your body’s immune system make antibodies that will attack the bacteria if it ever infects you.

How do I take PNEUMOVAX 23?

How do I take PNEUMOVAX 23?

PNEUMOVAX 23 is given as 1 injection into the muscle or under the skin of your shoulder or the outside of your mid-thigh. Depending on your age and medical conditions, you might need a second dose of PNEUMOVAX 23, which is typically given at least 5 years after the first dose.

Is it safe for me to take PNEUMOVAX 23?

Is it safe for me to take PNEUMOVAX 23?

PNEUMOVAX 23 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 you have had a severe allergic reaction (e.g., anaphylaxis) to any component of

PNEUMOVAX 23 Common Side Effects

PNEUMOVAX 23 Common Side Effects

Common side effects of PNEUMOVAX 23:

  • Pain, soreness, or tenderness at the injection site
  • Swelling at injection site
  • Headache
  • Redness at injection site
  • Fatigue
  • Muscle pain
PNEUMOVAX 23 Serious Side Effects

PNEUMOVAX 23 Serious Side Effects

Serious side effects are rare with PNEUMOVAX 23. Contact your healthcare provider immediately if you experience any of the following.

  • Serious allergic reactions: hives, dizziness, fever, rash, shaking, itching, nausea, flushing, shortness of breath, chest pain
Effects of other drugs, drug classes and over-the-counter products on PNEUMOVAX 23

Effects of other drugs, drug classes and over-the-counter products on PNEUMOVAX 23

The following medications may interact with PNEUMOVAX 23:

  • In a randomized clinical study, a reduced immune response to ZOSTAVAX® as measured by gpELISA was observed in individuals who received concurrent administration of PNEUMOVAX 23 and ZOSTAVAX compared with individuals who received these vaccines 4 weeks apart. Consider administration of the two vaccines separated by at least 4 weeks
Who makes PNEUMOVAX 23?

Who makes PNEUMOVAX 23?

Merck & Co., Inc.

Is PNEUMOVAX 23 safe in pregnancy?

Is PNEUMOVAX 23 safe in pregnancy?

It is not known if PNEUMOVAX 23 can harm your unborn baby. PNEUMOVAX 23 should only be used during pregnancy if the benefit to you is worth the possible risk to your baby.


What to do if you missed your PNEUMOVAX 23 dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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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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