Is Increased Pain After a Nerve Block a Bad Sign or a Diagnostic Clue?

Steve_carell10 Nov, 2025Health

If your pain increases after a nerve-block injection, it may feel alarming — but it can also serve as a diagnostic clue. Whether the pain decreases or worsens post-block, the result still suggests the targeted nerve is involved in your symptoms. The key is distinguishing normal temporary irritation from complications such as nerve injury or injection into the wrong area.