Husband had varicocelectomy 6 days ago, left side. now experiencing sweaty testicles, v sticky have foul odor.testis feel numb.is this a complication?

Possible Infection: Warmth, swelling and a foul odor at a surgical site are suspicious for an infection. Infections are uncommon but a definite possibility for all surgical procedures, even minor ones. It is best so see a doctor today to assess his need for antibiotics or referral to the doctor who performed the operation.

If...: Does he run chill / fever? If the described pictures are accurate, one has to consider possible post-op infection ;/or arterial compromising leading to the condition like complete testicular torsion although it rarely happens. Of course, without direct inspection and palpation plus doppler us flow study, it's hard to reach a sensible accurate diagnosis. But if getting better slowly with no...