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Comvax

Haemophilus influenzae type b / hepatitis B vaccine
Used for Hepatitis B
Used for Hepatitis B

Comvax is a combination vaccine used for children to prevent two conditions caused by infections: Haemophilus influenzae type b (Hib) disease and hepatitis B. It's no longer available in the United States, because it was discontinued.

Reviewed by:
reviewer
Robert Chad Hakim, PharmD, BCCCP
reviewer
Kristianne Hannemann, PharmD
Last reviewed on June 29, 2022
BasicsFAQsInteractionsAlternativesPricesMedicare
basics-icon

What is Comvax?

What is Comvax used for?

  • Prevention of Hib disease and hepatitis B

How Comvax works

Are you looking for information on Recombivax HB, Engerix-B (hepatitis B vaccine) or Combivent Respimat (ipratropium / albuterol) instead?

Drug Facts

Common BrandsComvax (brand no longer available)
Drug ClassVaccine
Controlled Substance ClassificationNot a controlled medication
Generic StatusNo lower-cost generic available
AvailabilityDiscontinued
faqs

Frequently asked questions about Comvax

What is Comvax?
Comvax is a combination vaccine used in children to prevent Hib disease from the Haemophilus influenzae type b bacteria and hepatitis B (a liver infection) caused by the hepatitis B virus. Comvax is an inactivated vaccine that helps your body's immune system make antibodies that will attack the Hib bacteria or hepatitis B virus.
Is Comvax still available?
No, Comvax was discontinued in 2014 and is no longer available in the United States. It's not exactly clear why the manufacturer (Merck) discontinued it.
Are there currently available vaccines that are used in place of Comvax?
Yes. While there aren't any combination vaccines available that protect against these two infections together, there are several vaccines that are commonly used today to protect against Hib or hepatitis B alone. Examples of the Hib vaccine include ActHIB and Hiberix, while examples of the hepatitis B vaccine include Recombivax HB and Engerix-B. The separate Hib and hepatitis B vaccines can be given during the same visit to your child's provider's office.
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interactions

Interactions between Comvax and other drugs

Comvax may interact with certain medications or supplements. Always let your doctor and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking. The list below does not include all possible drug interactions with Comvax. Please note that only the generic name of each medication is listed below.

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

alternatives

What are alternatives to Comvax?

There are a number of medications that your doctor can prescribe in place of Comvax. Compare a few possible alternatives below.
Comvax
Used for:

  • Prevention of Hib disease and hepatitis B

View Prices
Hib vaccine
Used for:

  • Prevention of Hib disease

$21.99 Lowest GoodRx priceView Prices
Hepatitis B vaccine (Recombivax HB)
Used for:

  • Prevention of hepatitis B

$78.99 Lowest GoodRx priceView Prices

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