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Sudden onset pain and inflammation in testicular area after ejeculation should not be ignored. Although the pain subsided after anti-inflammatory drugs still I would advise you to go to ER and get your testicles checked. Some times sudden torsion occur in testes and it may present with severe pain
and respond to medicines. But if not corrected or persist for long time it may lead to gangrene
to testes. So please visit ER and get yourself checked.
Dr. Seikhoo Bishnoi, MD