can be due to no. of reasons. The most common is due to anxiety
, low self esteem, mental, physical, emotional or financial stress or previous sexual repression.
Dapaoxetine is the only approved drug for it. It is basically anti-anxiety drug. Physical exercises, meditation
, relaxation should really help you. Sildenafil
citrate, a drug used of erectile dysfunction
has shown to improve PMJ upto some extent in some studies by improving confidence level.
In extreme refractory case of no response the intracavernous drug injection can be tried in hospital setting.
The best treatment would be positive thinking and enhancing confidence in your sexual capacity.