"FLUAD Pediatric™/FLUAD® is a trivalent, surface antigen, inactivated influenza virus vaccine adjuvanted with MF59C.1.
The influenza virus strains are individually grown in the allantoic cavity of embryonated hens' eggs inocula"...
Acute allergic reactions, including anaphylaxis, have occurred with BioThrax. Appropriate medical treatment and supervision must be available to manage possible anaphylactic reactions following administration of the vaccine. [See CONTRAINDICATIONS]
The stopper of the vial contains dry natural rubber and may cause allergic reactions to patients with a possible history of latex sensitivity.
BioThrax can cause fetal harm when administered to a pregnant woman. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus. [See Pregnancy]
Pregnant women should not be vaccinated against anthrax unless the potential benefits of vaccination have been determined to outweigh the potential risk to the fetus. Results of a large observational study that examined the rate of birth defects among 37,140 infants born to U.S. military service women who received anthrax vaccine in pregnancy between 1998 and 2004 showed that birth defects were slightly more common in first trimester-exposed infants (odds ratio = 1.18, 95% confidence interval: 0.997, 1.41) when compared with infants of women vaccinated outside of the first trimester and compared to unvaccinated women.1 While the increased birth defect rates were not statistically significant when compared with infants born to women vaccinated outside of pregnancy, pregnant women should not be vaccinated against anthrax unless the potential benefits of vaccination have been determined to outweigh the potential risk to the fetus.
The effect of BioThrax on embryo-fetal and pre-weaning development was evaluated in a developmental toxicity study using pregnant rabbits. One group of rabbits was administered BioThrax twice prior to gestation and during the period of organogenesis (gestation day 7). A second group of rabbits was administered BioThrax twice prior to gestation and on gestation day 17. BioThrax was administered at 0.5 ml/rabbit/occasion, by intramuscular injection. No adverse effects on mating, fertility, pregnancy, parturition, lactation, embryo-fetal or pre-weaning development were observed. There were no vaccine-related fetal malformations or other evidence of teratogenesis noted in this study.
History Of Anthrax Disease
History of anthrax disease may increase the potential for severe local adverse reactions.
Limitations Of Vaccine Effectiveness
Vaccination with BioThrax may not protect all individuals.
Patient Counseling Information
See FDA-approved patient labeling (PATIENT INFORMATION).
Advise women of the potential risk to the fetus. [See Use in Specific Populations]
Inform patients of the benefits and risks of immunization with BioThrax.
Instruct patients to report any serious adverse reaction to their health care provider.
Use In Specific Populations
Pregnancy Category D. [See WARNINGS AND PRECAUTIONS]
A retrospective study was performed at an in-vitro fertilization clinic to evaluate whether BioThrax may impact reproductive function in men. This study compared semen parameters, embryo quality, and pregnancy outcomes in 254 male clients who stated that they had received BioThrax, with those of 791 male clients who did not.2 Prior receipt of BioThrax did not influence semen parameters (including concentration, motility, and morphology), fertilization rate, embryo quality or clinical pregnancy rates.
It is not known whether BioThrax is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when BioThrax is administered to a nursing woman.
Safety and effectiveness in pediatric patients have not been established for BioThrax.
BioThrax has not been approved for use in patients greater than 65 years of age.
1. Ryan, M.A.D., et al. 2008. Birth defects among infants born to women who received anthrax vaccine in pregnancy. Am J Epidemiol, 168:434-442.
2. Catherino, W., et al., 2005. The anthrax vaccine does not affect semen parameters, embryo quality, or pregnancy outcome in couples with a vaccinated male military service member. Fertility and Sterility, 83:480-483This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 11/2/2015
Additional BioThrax Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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