Capvaxive is the brand name for the pneumococcal 21-valent conjugate vaccine. It helps protect adults from pneumococcal disease and pneumonia caused by bacteria called Streptococcus pneumoniae (or "pneumococcus"). Capvaxive is injected into the muscle just once. It's given by a healthcare professional at a medical office, clinic, or pharmacy. Side effects include pain, redness, and swelling at the injection site. You also might feel tired or have a headache. These side effects usually go away in a few days.
Prevention of pneumococcal disease in adults
Prevention of pneumococcal pneumonia in adults
Capvaxive is a type of vaccine called a conjugate vaccine. It protects against 21 types of pneumococcal bacteria. The vaccine has a small piece of the bacteria in it.
After you get the Capvaxive shot, your immune system makes antibodies to fight the bacteria. These antibodies help protect you from serious pneumococcal disease and pneumonia if the bacteria gets into your body.
Source: DailyMed
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
Talk to a healthcare professional before getting the Capvaxive vaccine to see if it's right for you. Vaccines for pneumonia can be confusing since there are many different kinds. A healthcare professional can help you figure out which ones you need.
The Capvaxive vaccine helps lower your risk of pneumococcal disease and pneumonia. But like all vaccines, it might not protect you 100% of the time. You could still get sick even after getting the shot. Other ways to help protect yourself from getting sick are staying away from people who are sick and washing your hands often.
If you feel sick, it's best to wait until you feel better before getting Capvaxive. This helps your immune system work its best to protect you from pneumonia. You can still get the shot if you have a mild illness, like a cold or low-grade fever. But if you feel really sick, wait until you recover. Ask a healthcare professional if you're not sure whether you should get vaccinated if you're feeling sick.
Common side effects of Capvaxive include pain at the site of injection, tiredness, muscle aches, and headaches. They usually last no more than 3 days. If these side effects don't start to go away after 3 days, talk to your primary care provider.
If you develop a severe reaction to Capvaxive, you or your healthcare team can report it to the vaccine adverse event reporting system (VAERS). Go to their website website or call 1-800-822-7967 to report the reaction.
Read the vaccine information statement for more information on Capvaxive. Ask a healthcare professional if you have other questions.
Capvaxive can cause some serious health issues. This risk may be even higher for certain groups. If this worries you, talk to your doctor or pharmacist about other options.
Like with any vaccine, there's a rare chance you could have a severe allergic reaction to Capvaxive. The healthcare professional giving you the shot might ask you to stay for a little while afterward. This way, they can help you quickly if you have serious allergic reaction.
Sometimes, allergic reactions can happen after you leave the clinic. Get medical help right away if you feel faint, have swelling in your face, trouble breathing, hives, rash, dizziness, shaking, or chest pain. These can be signs of a severe allergic reaction.
Risk factors: Medical conditions that weaken the immune system | Taking medications that lower your immune system
Capvaxive might not work as well in people who have a weak immune system. This means that they could still get sick with pneumococcal infections like pneumonia, even after getting the vaccine.
Talk to your primary care provider or healthcare team first before getting Capvaxive. Make sure they know if you have any medical conditions that weakenen your immune system, like HIV or cancer. Also, tell them about any medications you take. Some medications, like high-dose corticosteroids and transplant medications, can make your immune system weaker.
Dosage | Quantity | Price as low as | Price per unit |
---|---|---|---|
0.5ml | 1 syringe | $290.02 | $290.02 |
The typical dose is 1 injection (0.5 mL) into the muscle. It's given by a trained healthcare professional at a medical office, clinic, or pharmacy.
Allergy to any diphtheria toxoid-containing vaccine (including DT, Td, DTaP, or Tdap (Boostrix))
Prevention of pneumococcal disease in adults
Prevention of pneumococcal pneumonia in adults
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Prevention of pneumococcal pneumonia in adults 18 years and older
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Centers for Disease Control and Prevention. (n.d.). Pneumococcal disease.
Centers for Disease Control and Prevention. (2023). Administering pneumococcal vaccines.
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Centers for Disease Control and Prevention. (2024). Pneumococcal vaccine timing for adults.
Centers for Disease Control and Prevention. (2024). Pneumonia prevention and control.
Centers for Disease Control and Prevention. (2024). Types of pneumococcal vaccines.
Merck Sharp & Dohme LLC. (2024). Capvaxive- pneumococcal 21-valent conjugate vaccine injection, solution [package insert]. DailyMed.
U.S. Food and Drug Administration. (2024). Capvaxive.
World Health Organization. (2025). How do vaccines work?
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