Hydrocodone and acetaminophen and Naldemedine interaction
Hydrocodone and acetaminophen and Naldemedine: 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 Naldemedine (SYMPROIC) label · effective 2025-07-25
Intervention Avoid use of SYMPROIC with another opioid antagonist.
Other opioid antagonists : Potential for additive effect and increased risk of opioid withdrawal; avoid concomitant use ( 7 )
Opioid withdrawal : Consider the overall risk benefit in patients with disruptions to the blood-brain barrier.
Monitor symptoms of opioid withdrawal ( 5.2 )
Opioid Withdrawal Clusters of symptoms consistent with opioid withdrawal, including hyperhidrosis, chills, increased lacrimation, hot flush/flushing, pyrexia, sneezing, feeling cold, abdominal pain, diarrhea, nausea, and vomiting have occurred in patients treated with SYMPROIC [see Adverse Reactions (6.1) ] .
From the Hydrocodone and acetaminophen (Hydrocodone Bitartrate and Acetaminophen) label · effective 2026-05-13
Patient Access to an Opioid Overdose Reversal Agent for the Emergency Treatment of Opioid Overdose Inform patients and caregivers about opioid overdose reversal agents (e.g., naloxone, nalmefene).
Explain to patients and caregivers that effects of opioid overdose reversal agents like naloxone and nalmefene are temporary, and that they must call 911 or get emergency medical help right away in all cases of known or suspected opioid overdose, even if an opioid overdose reversal agent is administered [see OVERDOSAGE ].
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.