
phenobarbital oral brand names and other generic formulations include:
Barbita Oral, Neuroval Oral, Sk-Phenobarbital Oral, Solfoton Oral
tramadol-acetaminophen oral brand names and other generic formulations include:
phenobarbital oral and tramadol-acetaminophen oral
phenobarbital oral will decrease the level or effect of tramadol-acetaminophen oral by altering drug metabolism. Blood levels of tramadol are reduced.
phenobarbital oral and tramadol-acetaminophen oral
phenobarbital oral will decrease the level or effect of tramadol-acetaminophen oral by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Decreased AUC of tramadol and the active metabolite (O-desmethyltramadol) when coadministered with strong CYP3A4 and CYP2B6 inducers
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Drug Interaction Categories
Contraindicated
Never use this combination of drugs because of high risk for dangerous interaction
Serious
Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed
Significant
Potential for significant interaction (monitoring by your doctor is likely required)
Minor
Interaction is unlikely, minor, or nonsignificant