Which are those things that you need to avoid, If you have Varicocele Most importantly – Diet Precautions. Smoking, Caffeine, or Alcohol You should definitely avoid all 3. Junk food or any kind of food wherein there are a lot of oxidants. You should definitely avoid it. You should avoid heavy weight lifting or deadlifting. Pressure will increase on the valves. The valves will be damaged more. Varicocele will progress quickly. And desk job or continuous sitting job, you should definitely avoid that. This could prove harmful in the long term..