First part is meditation second part do exercise and then get positive energy and thinking of medicine is first take some rejunation therapy like shirodhara and virechan after that u may take medicine as per ur body Constitution and life styale and what ur consultant advice...but do not take Short term therapy... Thanks..

First of all u have to strictly avoid mastrubation.it will lead to ojas kshaya means ur body will  loose it glow.

This is happening due to insufficiency of hormones and improper functions of serotonin. The good news is that this is easily treatable with our herbal tablets. These tablets improve blood supply to penis and nourish muscles and blood vessels of penis thereby making erection long and hard. At the same time, these tablets improve functions of serotonin thereby delaying ejaculation significantly. Regards Dr. Omkar Balkrishna Shahapurkar