Brain volume and function are altered in individuals with opioid use disorder, a new Yale study finds. Using magnetic resonance imaging (MRI) and functional MRI (fMRI), researchers observed the ...

Opioid agonists are substances that activate opioid receptors in the central and peripheral nervous systems. They have several uses, from pain management to treating opioid use disorder. You have ...

Researchers at the Yale School of Medicine found structural and functional alterations in specific brain regions of individuals with opioid use disorder. The study's results were published today in ...

Opioid cross-reactivity is the uncommon occurrence of having an allergic reaction to more than one opioid. Allergies to opioids present a unique challenge in pain management due to the limited ...

Opioid medications treat pain associated with surgery, cancer, chronic illness, and traumatic injury. The short-term effects of taking opioids are well-studied, but the long-term effects are less ...

Naloxone, also known by the brand name Narcan, is one of the most important drugs in the United States’ fight against the opioid crisis. It reverses an opioid overdose nearly instantly, restarting ...

A doctor may prescribe opioid medications to manage pain after surgery or traumatic injury. They may also prescribe them for longer than several weeks to manage chronic conditions, such as ...