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Butalbital/acetaminophen

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Butalbital/acetaminophen
Combination of
ButalbitalBarbiturate
AcetaminophenMiscellaneous analgesic
Clinical data
Trade namesAllzital, Butapap, Tencon, others
AHFS/Drugs.comProfessional Drug Facts
License data
Routes of
administration		By mouth
ATC code
Legal status
Legal status
Identifiers
CAS Number
ChemSpider
  • none
KEGG
Butalbital/acetaminophen/caffeine
Combination of
ButalbitalBarbiturate
AcetaminophenMiscellaneous analgesic
CaffeineXanthine
Clinical data
Trade namesAnoquan, Fioricet, Triad, others
AHFS/Drugs.comProfessional Drug Facts
MedlinePlusa601009
License data
Routes of
administration		By mouth
ATC code
  • None
Legal status
Legal status
Identifiers
CAS Number
ChemSpider
  • none
KEGG

Butalbital/acetaminophen, sold under the brand name Butapap among others, is a combination medication used to treat tension headaches and migraine headaches.[1][4][5] It contains butalbital, a barbiturate and paracetamol (acetaminophen), an analgesic.[4] Versions also containing caffeine are sold under the brand name Fioricet among others.[6] It is taken by mouth.[4][3] The combination is also sold with codeine.[7]

The most common side effects include sleepiness, dizziness, trouble breathing, and abdominal pain.[4] Other severe side effects may include liver problems, confusion, addiction, and allergic reactions.[4] Frequent use may result in medication overuse headache.[8] Barbiturate withdrawal may occur if rapidly stopped following long term use.[9] Use is not generally recommended during pregnancy or breastfeeding.[10]

The combination was approved for medical use in the United States in 1984.[4] It is available as a generic medication.[6] In 2021, the combination butalbital/acetaminophen/caffeine was the 232nd most commonly prescribed medication in the United States, with more than 1 million prescriptions.[11][12] In the United States it is a schedule III controlled substance[2] in some states but not federally.[5][13][14] It is banned in a number of European countries.[9]

Medical uses

[edit]

Butalbital/acetaminophen is indicated for the treatment of tension headaches.[15]

Butalbital/acetaminophen/caffeine is indicated for the treatment of tension headaches.[3]

Side effects

[edit]

Prolonged use can cause rebound headaches.[16]

Rarely, use of barbiturates can lead to Stevens–Johnson syndrome.[17]

Mechanism of action

[edit]

Butalbital has a half-life of about 35 hours. Acetaminophen has a half-life of about 1.25 to 3 hours, but may be increased by liver damage and after an overdose. Caffeine has a half-life of about 2.5 to 4.5 hours.[18]

References

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  1. ^ a b "Butapap- butalbital and acetaminophen tablet". DailyMed. U.S. National Library of Medicine. 17 January 2020. Retrieved 10 April 2020.
  2. ^ a b "Allzital- butalbital and acetaminophen tablet". DailyMed. U.S. National Library of Medicine. 17 December 2019. Retrieved 18 April 2020.
  3. ^ a b c "Fioricet- butalbital, acetaminophen, and caffeine capsule". DailyMed. U.S. National Library of Medicine. 27 January 2020. Retrieved 10 April 2020.
  4. ^ a b c d e f "Butalbital and Acetaminophen - FDA prescribing information, side effects and uses". Drugs.com. Retrieved 18 April 2019.
  5. ^ a b "Fioricet Capsules (acetaminophen/butalbital/caffeine)". Prescribers' Digital Reference. Retrieved 18 April 2019.
  6. ^ a b Hamilton RJ (2009). Pharmacopoeia. Jones & Bartlett Learning. p. 3. ISBN 978-0-7637-7419-6.
  7. ^ "Fioricet with Codeine- butalbital, acetaminophen, caffeine, and codeine phosphate capsule". DailyMed. U.S. National Library of Medicine. 7 February 2020. Retrieved 10 April 2020.
  8. ^ Mallick-Searle T (2015). "Headaches". In Woo TM, Robinson MV (eds.). Pharmacotherapeutics for Advanced Practice Nurse Prescribers. F.A. Davis. p. 1057. ISBN 978-0-8036-4581-3.
  9. ^ a b Young WB, Siow HC (April 2002). "Should butalbital-containing analgesics be banned? Yes". Current Pain and Headache Reports. 6 (2): 151–155. doi:10.1007/s11916-002-0012-y. PMID 11872187. S2CID 20095800.
  10. ^ "Acetaminophen / butalbital Use During Pregnancy". Drugs.com. Retrieved 18 April 2019.
  11. ^ "The Top 300 of 2021". ClinCalc. Archived from the original on 15 January 2024. Retrieved 14 January 2024.
  12. ^ "Acetaminophen; Butalbital; Caffeine - Drug Usage Statistics". ClinCalc. Retrieved 14 January 2024.
  13. ^ "Substances Containing Butalbital Have Long Been Schedule III; What About Fioricet and Fiorinal?" (PDF). West Virginia Board of Pharmacy. September 2014. Retrieved 8 June 2019.
  14. ^ "Butalbital". Drugs Details. Retrieved 18 April 2020.
  15. ^ "Tencon- butalbital and acetaminophen tablet". DailyMed. U.S. National Library of Medicine. 18 February 2020. Retrieved 20 May 2022.
  16. ^ Jaret P (29 August 2007). "A Hidden Cause of Headache Pain". The New York Times. Archived from the original on 25 March 2016. Retrieved 4 March 2024.{{cite web}}: CS1 maint: unfit URL (link)
  17. ^ Mamishi S, Fattahi F, Pourpak Z, Aghaee FM, Moinfar Z, Mohammadi M, et al. (November 2009). "Severe cutaneous reactions caused by barbiturates in seven Iranian children". International Journal of Dermatology. 48 (11): 1254–1261. doi:10.1111/j.1365-4632.2007.03561.x. PMID 20064188. S2CID 10117062.
  18. ^ Willis B, Lopez G, Patel K, Frank K (7 October 2019). "Caffeine". Examine.com Inc.
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