 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  the rate of 4 inches (10.2 centimeters) per second until the entire muscle is covered from the trigger point to the area of pain. The muscle will be slowly stretched during this process until full motion is restored and pain is relieved.The side effects of Ethyl Chloride Topical: Side effects are not common with this medication. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: lasting changes in skin color, pain as skin is thawing, infection at the application site, delayed wound healing. Tell your doctor right away if you have any very serious side effects (with long-term exposure), including: nausea/vomiting that doesn't stop, yellowing eyes/skin, dark urine, stomach/abdominal pain, unusual tiredness. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. </s>