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.
Prevention of Hib disease and hepatitis B
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.
Prevention of hepatitis B
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