Additional Information
* The online pharmacies to which you may be referred from this website will only dispense a controlled substance to a person who has a valid prescription issued for a legitimate medical purpose based upon a medical relationship with the prescribing practitioner. This includes at least one prior in-person medical evaluation or medical evaluation via telemedicine in accordance with applicable requirements of section 309 of the Ryan Haight Online Pharmacy Act.
Proper Use of This Medicine
Dosing
The dose of hepatitis B vaccine will be different for different patients. Follow your doctor's orders. The following information includes only the average doses of hepatitis B vaccine.
- For injection dosage form:
- For prevention of hepatitis B infection:
- Adults, adolescents, and older children 2.5 to 20 micrograms (mcg) injected into the arm muscle during the first office visit, then one month and six months after the first dose, for a total of three doses.
- Adults who also receive or will receive blood dialysis 40 mcg injected into the arm muscle during the first office visit, then one month and six months after the first dose, for a total of three doses; or 40 mcg injected into the arm muscle during the first office visit, then one month, two months, and six months after the first dose, for a total of four doses.
- Infants and young children 2.5 to 20 mcg injected into the thigh muscle during the first office visit, then one month and six months after the first dose, for a total of three doses.
- Newborn babies 2.5 to 20 mcg injected into the thigh muscle at birth or within seven days of birth, then one month and six months after the first dose, for a total of three doses; or 10 or 20 mcg injected into the thigh muscle at birth or within seven days of birth, then one month, two months, and twelve months after the first dose, for a total of four doses.
Before Using This Medicine
In deciding to use a medicine, the risks of using the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For hepatitis B recombinant vaccine, the following should be considered:
Allergies Tell your doctor if you have ever had any unusual or allergic reaction to this vaccine or to the hepatitis B vaccine made from human plasma. Also tell your health care professional if you are allergic to any other substances, such as foods (especially yeast). The vaccine is made by using yeast; persons allergic to yeast may also be allergic to the vaccine.
Pregnancy Studies on effects in pregnancy have not been done in either humans or animals. However, the vaccine is not expected to cause problems during pregnancy.
Breast-feeding It is not known whether hepatitis B vaccine passes into the breast milk. However, the vaccine is not expected to cause problems in nursing babies.
Children Hepatitis B vaccine has been tested in newborns, infants, and children and, in effective doses, has not been shown to cause different side effects or problems than it does in adults. The vaccine strength for use in dialysis patients has been studied only in adult patients, and there is no specific information about its use in children receiving dialysis.
Teenagers Hepatitis B vaccine is very effective when administered to adolescents and young adults. It is recommended that all adolescents who have not previously received three doses of hepatitis B vaccine should start or complete the vaccine series at 11 to 12 years of age. Hepatitis B vaccine has not been shown to cause different side effects or problems in adolescents and young adults than it does in other age groups.
Older adults This vaccine is not expected to cause different side effects or problems in older people than it does in younger adults. However, persons over 50 years of age may not become as immune to the virus as do younger adults.
Other medicines 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 health care professional if you are using any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Other medical problems The presence of other medical problems may affect the use of hepatitis B vaccine. Make sure you tell your doctor if you have any other medical problems, especially:
- Allergic reaction to hepatitis B vaccine, history of Use of hepatitis B vaccine is not recommended
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