How long does a DEXA injection last? A comprehensive guide
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4 min read
While the plasma half-life of dexamethasone is only around 4 hours, its biological half-life extends to 36–54 hours, meaning the effects of a DEXA injection can persist for several days. The total duration of pain relief or anti-inflammatory effect, however, varies significantly based on the specific condition being treated, the site of injection, and the individual patient's response.