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It could be due to many reasons but considering your daily activities including working out and the fact that the pain is relieved on pain killing balms, I believe it to be Atheletic pubalgia which is commonly called Sports hernia
, though it is not a hernia in the true sense but inflammatory changes due to repetitive twisting and shearing forces. Do you play games like Hockey or Football. You would need to take pain killers though after consulting with your Orthopaedician, you can use a bag of frozen vegetables or cold
gel pack, wrap it up in a cloth and apply at the tender area. Do this for 15 minutes every 1 hour for the first 2 days. You will need to confirm with the Orthopaedician about this diagnosis and rule out a true hernia as well. Treatment includes anti-inflammatory medication for the relief but defenitive treatment in this condition needs surgery to strengthen the inguinal floor.