Pain Home > Subsys
People who have cancer may receive Subsys to treat pain that breaks through around-the-clock pain medication. This prescription medicine is a strong narcotic painkiller and has a high potential for abuse. It comes in the form of a liquid that is sprayed under the tongue every four hours as needed. Possible side effects include nausea, constipation, and drowsiness.
What Is Subsys?Subsys® (fentanyl sublingual spray) is a prescription opioid pain medication approved to manage breakthrough pain (intense flares of pain that "break through" regularly scheduled pain medication) in people with cancer who are already taking opioid pain medication around-the-clock for their persistent cancer pain. It comes in the form of a liquid that is sprayed under the tongue.
How Does Subsys Work?
- Pain relief
- Changes in mood, including feelings of unease (dysphoria) or unusually pleasant feelings (euphoria)
- Cough suppression
- Slowed or shallow breathing
- Slowing of the digestive tract
- Pupil constriction
- Physical dependence.