Definition: The term "arecolidine" refers to a medication used for short-term treatment of pain relief, sometimes referred to as a muscle relaxer. It's primarily utilized in hospitals or emergency rooms but is also available over-the-counter without a prescription. Definition: Arecolidine is a muscle relaxant drug that helps reduce the sensation of pain and discomfort when muscles are tight. The medication works by blocking the nerve signals that transmit pain signals through the nervous system, making it more difficult for the body to sense pain. It can be used in emergency situations where other treatments may not be effective. This medication is typically prescribed by a healthcare provider after an initial evaluation of the patient's pain level and medical history. It is administered via injection orε£ζ(IV) route. The dose varies according to individual sensitivity, but usually ranges from 250-650 mg (milligrams).