<s>[INST] Hi doc I might have a slight venous leak in my penis I have been taking cialis daily 2mg the problem is the penis head does noalston 100% hard the other day I had an erection from the cialis my penis chambers on the left and right were very hard & I sneezed very hard and my penis hurt very much for that split second on both chambers like alot if pressure from the sneez could this make my venous leak alot worse ?? From all the pressure that build up when I sneezed on cialis ?? [/INST] HelloThanks for your query, based on the facts that you have posted it appears that you are suspecting to have venous leak as a cause of your weak erection. Venous leak can not be suspected or confirmed without a test called Duplex Ultrasound Scanning of penis. Please consult qualified Urologist for evaluation and do not take medications like Calls without his consultation. The pain that you get on sneezing is likely to be due to congestion of the penis during erection and nothing to be worried about it. Chat Doctor.  </s>