Pain, muscles and bones

Opioid analgesics

Used for

Moderate to severe pain

How it works

Attach to opioid receptors in the brain and spinal cord to block pain signals.

Watch for

Drowsiness, slowed breathing, constipation and addiction. Controlled substances; dangerous with benzodiazepines or alcohol.

Examples
  • hydrocodone (in Norco)
  • oxycodone (in Percocet)
  • morphine
  • tramadol (Ultram)

More in pain, muscles and bones

See every class

A study and reference aid. Follow the product labeling and your pharmacist for anything about a patient's medicine.

Studying for the PTCE?

Drug classes are a big part of the Medications domain. Gutta's lessons and practice questions cover them, with an explanation for every answer.

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