Dear practo user thank u for raising ur query on practo as per ur desrciption according to ayurveda we can consider ur case as shand yes it is curable by ayurvedic medicine we can increase ur erection time and stamina without any side effects We can get best result by following few steps 1) Reduce ur wt if ur obese 2) Do daily exercise 3) If any stress start yoga or meditation 4) Stop addictipns if any By doing above things we can see better result