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Substance education

Prescription opioids.

Pain medicines can cause overdose, especially with other depressants.

Also known as Codeine, Hydrocodone, Morphine, Oxycodone, OxyContin, Percocet. A name does not verify contents.

This category

Opioid pain medicines include oxycodone, hydrocodone, morphine and codeine. Drowsiness, nausea, constipation and slowed breathing may occur.

Sources & review notes
  1. New Safety Measures for Opioid Analgesics and Benzodiazepines
    FDA · Published/updated 2016-08-31 · Accessed 2026-09-26 · Patient information: combined CNS depressants

Major risks

Misuse and overdose are possible. Alcohol or benzodiazepines with opioids can cause severe sedation and fatal breathing suppression.

Sources & review notes
  1. Boxed Warning updated for benzodiazepines
    FDA · Published/updated 2020-09-23 · Accessed 2026-09-26 · Dependence, withdrawal, alcohol and opioids
  2. New Safety Measures for Opioid Analgesics and Benzodiazepines
    FDA · Published/updated 2016-08-31 · Accessed 2026-09-26 · Patient information: combined CNS depressants

Prescription context

Use only as prescribed. A pharmacist should review the actual medicine and other products you take. Familiar branding is not personal medical clearance.

Sources & review notes
  1. New Safety Measures for Opioid Analgesics and Benzodiazepines
    FDA · Published/updated 2016-08-31 · Accessed 2026-09-26 · Patient information: combined CNS depressants

Counterfeit products

Pills from an unregulated source may imitate prescription medicines. Their appearance does not establish contents.

Sources & review notes
  1. Fentanyl
    CDC · Published/updated 2025-06-09 · Accessed 2026-09-26 · Illicit fentanyl, contamination and testing limits

Warning signs

Trouble waking or abnormal breathing needs 911. Naloxone reverses opioid effects temporarily; waking does not remove the need for emergency assessment.

Sources & review notes
  1. Access to Naloxone Can Save a Life During an Opioid Overdose
    FDA · Accessed 2026-09-26 · Temporary reversal, emergency response, OTC access

Interaction records

Alcohol · Severe risk →

Benzodiazepines · Severe risk →

Open the interaction checker →

This resource provides general education, not medical advice or personal clearance to use a substance. No drug or combination is risk-free. For an emergency, call 911.