Fioricet: Difference between revisions
From Pharmacopedia
More actions
| [unchecked revision] | [unchecked revision] |
MDElliottMD (talk | contribs) parser-claude batch MedTemplate pre-fill, mind-medicine combination |
MDElliottMD (talk | contribs) home-claude house-rule fix (terminology, Mark ruling) |
||
| Line 4: | Line 4: | ||
| structure = | | structure = | ||
| classes = [[:Category:Barbiturates|Barbiturate (butalbital)]], [[:Category:Non-opioid_analgesics|Non-opioid analgesic (acetaminophen)]], [[:Category:Methylxanthines|Methylxanthine (caffeine)]], [[:Category:Fixed-dose_combinations|Fixed-dose combination]] | | classes = [[:Category:Barbiturates|Barbiturate (butalbital)]], [[:Category:Non-opioid_analgesics|Non-opioid analgesic (acetaminophen)]], [[:Category:Methylxanthines|Methylxanthine (caffeine)]], [[:Category:Fixed-dose_combinations|Fixed-dose combination]] | ||
| uses = <vote slug="tension-headache-use">Tension-type headache (limited evidence; falling out of favor due to | | uses = <vote slug="tension-headache-use">Tension-type headache (limited evidence; falling out of favor due to medicine-overuse headache and barbiturate dependence risk)</vote>, <vote slug="migraine-rescue-use">Migraine (off-label, rescue use)</vote> | ||
| starting_dose = 1-2 capsules (50 mg butalbital / 325 mg acetaminophen / 40 mg caffeine each) PO every 4 hours as needed; maximum 6 capsules/d | | starting_dose = 1-2 capsules (50 mg butalbital / 325 mg acetaminophen / 40 mg caffeine each) PO every 4 hours as needed; maximum 6 capsules/d | ||
| preparations = 50/325/40 mg capsules and tablets; oral solution | | preparations = 50/325/40 mg capsules and tablets; oral solution | ||
| Line 16: | Line 16: | ||
| pregnancy = Generally avoided; barbiturate exposure in late pregnancy can produce neonatal withdrawal and respiratory depression.{{citation needed}} | | pregnancy = Generally avoided; barbiturate exposure in late pregnancy can produce neonatal withdrawal and respiratory depression.{{citation needed}} | ||
| legal = '''Plain Fioricet is uncontrolled federally''' (the small butalbital dose was historically deemed insufficient for scheduling), but DEA-scheduled in some states. Fioricet with Codeine is [[USLegal:Schedule III|Schedule III]]. Fiorinal (aspirin instead of acetaminophen) is [[USLegal:Schedule III|Schedule III]] federally | | legal = '''Plain Fioricet is uncontrolled federally''' (the small butalbital dose was historically deemed insufficient for scheduling), but DEA-scheduled in some states. Fioricet with Codeine is [[USLegal:Schedule III|Schedule III]]. Fiorinal (aspirin instead of acetaminophen) is [[USLegal:Schedule III|Schedule III]] federally | ||
| mechanism = <vote slug="fioricet-mech-claim">Butalbital is a short-to-intermediate-acting barbiturate that positively modulates GABA-A receptors, producing sedation and muscle relaxation that may relieve tension-type headache. Acetaminophen provides non-opioid analgesia. Caffeine provides mild vasoconstriction (mechanistically attractive for vasodilatory headache) plus an enhancing effect on analgesic absorption.</vote> Concerns: barbiturate physical dependence with regular use, | | mechanism = <vote slug="fioricet-mech-claim">Butalbital is a short-to-intermediate-acting barbiturate that positively modulates GABA-A receptors, producing sedation and muscle relaxation that may relieve tension-type headache. Acetaminophen provides non-opioid analgesia. Caffeine provides mild vasoconstriction (mechanistically attractive for vasodilatory headache) plus an enhancing effect on analgesic absorption.</vote> Concerns: barbiturate physical dependence with regular use, medicine-overuse headache (especially with >2 doses/week), and the seemingly persistent absence of high-quality RCT support for the combination's headache efficacy. Modern headache guidelines discourage routine use<ref name="fioricet-label" />. | ||
}} | }} | ||
== References == | == References == | ||
<references /> | <references /> | ||