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Why is my dog's penis swollen, even though he's acting normally?

Updated On September 23rd, 2025

Pet's info: Dog | Shih Tzu | Male | unneutered

Why is my dogs penis swelled and hes acting normal?

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Answered By Rebecca, DVM

Veterinarian

Published on January 24th, 2019

Thank you for using Petco Pet Education Center, formerly Petcoach. If the swelling is transient and goes away after a few moments this may be normal arousal in an unneutered male. However if it has lasted more than a few minutes I recommmend having Beethoven checked by a veterinarian. Prolonged swelling can be an emergency if it affects circulation to the penis.

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