Phenoperidine

Phenoperidine.svg

Phenoperidine is a synthetic opioid analgesic that is structurally related to pethidine (meperidine). It was first synthesized in the 1950s and has been used primarily in Europe for the management of moderate to severe pain, particularly in a surgical setting.

Pharmacology

Phenoperidine acts on the central nervous system (CNS) by binding to opioid receptors, which are part of the body's endogenous pain control system. This binding results in analgesia, sedation, and a sense of well-being. Like other opioids, phenoperidine can cause respiratory depression, which is a significant risk factor in its use.

Medical Uses

Phenoperidine is used for its potent analgesic properties. It is often administered in a hospital setting, particularly during and after surgery to manage pain. Its use is less common in chronic pain management due to the risk of tolerance and dependence.

Side Effects

The side effects of phenoperidine are similar to those of other opioids and can include:

• Nausea
• Vomiting
• Constipation
• Drowsiness
• Respiratory depression
• Hypotension

Contraindications

Phenoperidine should not be used in patients with a history of opioid addiction, severe asthma, or respiratory insufficiency. It should be used with caution in patients with head injury or increased intracranial pressure.

Legal Status

The legal status of phenoperidine varies by country. In many places, it is classified as a controlled substance due to its potential for abuse and dependence.

History

Phenoperidine was developed in the 1950s as part of a search for new synthetic opioids that could provide effective pain relief with fewer side effects than morphine. It has been used primarily in Europe and has seen limited use in other parts of the world.

See Also

• Opioid
• Analgesic
• Pethidine
• Surgery
• Pain management