What is the instant pain relief inhaler? An overview of methoxyflurane (Penthrox) and nitrous oxide
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5 min read
Used in Australia and New Zealand for over 40 years, methoxyflurane, or the “green whistle,” is a well-known example of an instant pain relief inhaler. This class of fast-acting, inhaled analgesics is specifically designed for situations requiring rapid pain management, such as trauma or painful medical procedures.
