Aspirin / butalbital / caffeine / codeine Pregnancy and Breastfeeding Warnings
Aspirin / butalbital / caffeine / codeine Pregnancy Warnings
Aspirin-butalbital-caffeine-codeine has been assigned to pregnancy category C by the FDA. Animal reproduction studies have not been conducted on this combination product. There are no controlled data on this combination product in human pregnancy. Aspirin-butalbital-caffeine-codeine should only be given during pregnancy when need has been clearly established. Aspirin has not been formally assigned to a pregnancy category. The frequency of fetal exposure to aspirin reported in many studies may be underestimated because aspirin (and other salicylates) occur in many over-the-counter preparations and women may fail to recall taking aspirin and over-the-counter drugs. NSAID use during the third trimester of pregnancy should be avoided due to effects on the fetal cardiovascular system (closure of the ductus arteriosus). Aspirin use in pregnancy has been associated with alterations in both maternal and fetal hemostasis. In addition, high doses have been associated with increased perinatal mortality, intrauterine growth retardation, and teratogenic effects. Aspirin should only be given during pregnancy when benefit outweighs risk. Increased maternal bleeding can occur during delivery when aspirin is used 1 week prior to and/or during labor and delivery. Prolonged gestation and labor have been reported due to aspirin's inhibition of prostaglandin. Butalbital has been assigned to pregnancy category C. Barbiturates in general have been reported to readily cross the placental barrier. Withdrawal seizures have been reported in a two day old infant whose mother had taken a butalbital containing drug during the last two months of pregnancy. Butalbital was found in the infant's serum. Animal reproduction studies have not been conducted. There are no controlled data in human pregnancy. Butalbital should be used during pregnancy only if the potential benefit justifies the potential risk to the infant. Caffeine has been assigned to pregnancy category B. Both human and animal studies have failed to reveal evidence of significant mutagenic or carcinogenic effects. Caffeine crosses the placenta. Fetal blood and tissue levels in the fetus have been reported to be similar to those in the mother. Caffeine has been reported to be an animal teratogen only with doses high enough to cause toxicity in the mother. In 1980, the Food and Drug Administration issued an advisory (based primarily on animal evidence) which stated that pregnant women should limit there intake of caffeine to a minimum. Codeine has been assigned to pregnancy category C. Codeine is the only narcotic analgesic which has shown a statistically significant association with teratogenicity (involving respiratory tract malformations) at the time of this writing. Like other narcotics, codeine rapidly crosses the placenta. Neonatal codeine withdrawal has occurred even in infants whose mothers were taking codeine at cough suppressant doses for as little as ten days prior to delivery. There are no controlled data in human pregnancy. Codeine should only be given during pregnancy when benefit outweighs risk.
A study of the use of low-dose aspirin (60 mg per day) to prevent and treat pre-eclampsia in 9364 pregnant women (the Collaborative Low-dose Aspirin Study in Pregnancy--CLASP) did "not support routine prophylactic or therapeutic administration of antiplatelet therapy in pregnancy to all women at increased risk of pre-eclampsia or IUGR." In that study, no excess of intraventricular hemorrhage, neonatal bleeds, or mortality attributable to bleeding were observed. The investigators did identify a possible role for low-dose aspirin in the treatment of early-onset pre-eclampsia severe enough to need very preterm delivery. Another study of low-dose aspirin (follow-up from the Italian Study of Aspirin in Pregnancy) has suggested that "low dose aspirin in pregnancy is safe with respect to the risks of malformation and of major impairment in development at 18 months of age." High-dose aspirin (2 g per day) has been associated with stillbirths, cerebral hemorrhage, oculoauriculovertebral dysplasia, neonatal salicylate toxicity, constricted ductus arteriosus, cyclopia, and neonatal acidosis. Some cases of congenital heart defects have been reported. However, a case control study of aspirin use in the first trimester concluded that aspirin "does not increase the risk of congenital heart defects in relation to that of other structural malformations." In a study of 2817 fertile women, no evidence of adverse effects from caffeine was found. The fecundability ratio (adjusted for known risk factors for time to conceive) was 1.03 between fertile women who consumed more than 7000 mg caffeine per month and those who consumed 500 mg or less per month. Furthermore, caffeine was not associated with infertility in 1818 infertile women and their primiparous controls. In another study (n=441) no evidence was found that moderate caffeine use increased the risk of spontaneous abortion, intrauterine growth retardation, or microcephaly.
Aspirin / butalbital / caffeine / codeine Breastfeeding Warnings
Aspirin is excreted into human milk in small amounts. Peak milk salicylate levels have been reported at nine hours after maternal dosing (and measured at 1.1 mg/dL). Use of large doses of aspirin can result in rashes, platelet abnormalities, and bleeding in nursing infants. Because of a single case report of metabolic acidosis, the American Academy of Pediatrics characterizes aspirin as a drug that has been "associated with significant effects on some nursing infants and should be given to nursing mothers with caution." Barbiturates have been reported to be excreted in breast milk in small amounts. The significance of the effects on nursing infants has not been reported. Because of the potential for serious adverse reactions in nursing infants from butalbital, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. Caffeine is excreted into human milk in small amounts. Adverse effects in the nursing infant are unlikely. However, irritability and poor sleep patterns have been reported in nursing infants. The amount of caffeine generally found in caffeinated beverages is considered to usually be compatible with breast-feeding by the American Academy of Pediatrics. Because caffeine is excreted into human milk and because caffeine is metabolized slowly by nursing infants, consumption of more than moderate levels of caffeine by nursing mothers is not recommended. Codeine is excreted into human milk in small amounts. Several small series and one small retrospective study suggest that codeine may be causative in episodes of apnea, bradycardia and cyanosis in the first week of life. Codeine is nevertheless considered compatible with breast-feeding by the American Academy of Pediatrics.
References for pregnancy information
- Bracken MB, Holford TR "Exposure to prescribed drugs in pregnancy and association with congenital malformations." Obstet Gynecol 58 (1981): 336-44
- Joesoef MR, Beral V, Rolfs RT, Aral SO, Cramer DW "Are caffeinated beverages risk factors for delayed conception? [see comments." Lancet 335 (1990): 136-7
- Heinonen O, Slone D, Shapiro S; Kaufman DW ed. "Birth Defects and Drugs in Pregnancy." Littleton, MA: Publishing Sciences Group, Inc. (1977): 297
- Briggs GG, Freeman RK, Yaffe SJ.. "Drugs in Pregnancy and Lactation. 5th ed." Baltimore, MD: Williams & Wilkins (1998):
- Koren G, Pastuszak A, Ito S "Drugs in pregnancy." N Engl J Med 338 (1998): 1128-37
- Karlowicz MG, White LE "Severe intracranial hemorrhage in a term neonate associated with maternal acetylsalicylic acid ingestion." Clin Pediatr (Phila) 32 (1993): 740-3
- Mangurten HH, Benawra R "Neonatal codeine withdrawal in infants of nonaddicted mothers." Pediatrics 65 (1980): 159-60
- Schoenfeld A, Bar Y, Merlob P, Ovadia Y "NSAIDs: maternal and fetal considerations." Am J Reprod Immunol 28 (1992): 141-7
- "Clasp: a randomised trial lf low-dose aspirin for the prevention and treatment of pre-eclampsia among 9364 pregnant women." Lancet 343 (1994): 619-29
- Mills JL, Holmes LB, Aarons JH, Simpson JL, Brown ZA, Jovanovic-Peterson LG, Conley MR, Graubard BI, Knopp RH, Metzger BE "Moderate caffeine use and the risk of spontaneous abortion and intrauterine growth retardation [see comments." JAMA 269 (1993): 593-7
- Eskenazi B "Caffeine during pregnancy: grounds for concern? [editorial; comment]." JAMA 270 (1993): 2973-4
- "Product Information. Bayer aspirin (aspirin)." Bayer, West Haven, CT.
- Parazzini F, Bortolus R, Chatenoud L, Restelli S, Benedetto C "Follow-up of children in the italian study of aspirin in pregnancy." Lancet 343 (1994): 1235
References for breastfeeding information
- Rose JE, Behm FM "Psychophysiological interactions between caffeine and nicotine." Pharmacol Biochem Behav 38 (1991): 333-7
- Committee on Drugs, 1992 to 1993 "The transfer of drugs and other chemicals into human milk." Pediatrics 93 (1994): 137-50
- Roberts RJ, Blumer JL, Gorman RL, et al "American Academy of Pediatrics Committee on Drugs: Transfer of drugs and other chemicals into human milk." Pediatrics 84 (1989): 924-36
- "Product Information. Bayer aspirin (aspirin)." Bayer, West Haven, CT.
- Findlay JW, DeAngelis RL, Kearney MF, et al "Analgesic drugs in breast milk and plasma." Clin Pharmacol Ther 29 (1981): 625-33
- Berlin CM Jr, Denson HM, Daniel CH, Ward RM "Disposition of dietary caffeine in milk, saliva, and plasma of lactating women." Pediatrics 73 (1984): 59-63
- Erickson SH, Oppenheim GL "Aspirin in breast milk." J Fam Pract 8 (1979): 189-90
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