Butalbital, acetaminophen, caffeine, and codeine and Linezolid interaction
Butalbital, acetaminophen, caffeine, and codeine and Linezolid: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Butalbital, acetaminophen, caffeine, and codeine (Butalbital, Acetaminophen, Caffeine and Codeine Phosphate) label · effective 2026-01-02
…Precautions ( 5.2 )] • Acute or severe bronchial asthma in an unmonitored setting or in the absence of resuscitative equipment [see Warnings and Precautions ( 5.10 )] • Concurrent use of monoamine oxidase inhibitors (MAOIs) or use of MAOIs within the last 14 days [see Warnings and Precautions ( 5.11 ), Drug Interactions ( 7 )] • Known or suspected gastrointestinal obstruction,…
• Concurrent use of monoamine oxidase inhibitors (MAOIs) or use of MAOIs within the last 14 days.
Butalbital, Acetaminophen, Caffeine, and Codeine Phosphate Capsules should not be used in patients taking MAOIs or within 14 days of stopping such treatment.
Monoamine Oxidase Inhibitors (MAOIs) Clinical Impact: MAOI interactions with opioids may manifest as serotonin syndrome or opioid toxicity (e.g., respiratory depression, coma) [see Warnings and Precautions ( 5.11 )].
Intervention: Do not use Butalbital, Acetaminophen, Caffeine, and Codeine Phosphate Capsules in patients taking MAOIs or within 14 days of stopping such treatment.
From the Linezolid label · effective 2026-06-19
…administered to patients with uncontrolled hypertension, pheochromocytoma, thyrotoxicosis and/or patients taking any of the following types of medications: directly and indirectly acting sympathomimetic agents (e.g., pseudoephedrine), vasopressive agents (e.g., epinephrine, norepinephrine), dopaminergic agents (e.g., dopamine, dobutamine) [ see Drug Interactions (7)…
Commonly used serotonergic agents include serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, tricyclic antidepressants, buspirone, serotonin 5-HT1 receptor agonists (triptans), and opioids, including meperidine.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.