Hello there. Thank you for the question. Reading from your question I could understand that you are experiencing erectile dysfunction which can be frustrating. It is advisable to meet a urologist as soon as possible. It is apparent that you are not able to keep a firm erection throughout a sexual intercourse which could be really frustrating.

Erectile dysfunction is defined as the inability to keep a firm erection throughout an intercourse which could lead to impotence. It can affect self confidence and also cause friction between partners. It is important for you to speak to your partner and come up with a solution together.

Since there is a presence of white or yellowish discharge, there are chances of penile infections. It is important to do a medical check up to rule out infections as it can cause consequence later on. After rule outing penile infection, then it is advised to undergo certain special tests to know the reason of erectile dysfunction.

It is crucial to have a basic physical examination to check for nerve sensation followed by few special tests such as blood tests, urine tests, ultrasound and psychological exam which could elicit signs of anxiety or depression that can also cause erectile dysfunction. Following medical tests, you can be advised for a medical treatment or a surgical procedure.

There are few oral medications that can be prescribed by your doctor for your condition such as Sildenafil (Viagra), Tadalafil (Adcirca, Cialis), Vardenafil (Levitra, Staxyn) and Avanafil (Stendra). This medications increases blood flow to penis and allows you to get an erection in response to sexual stimulation.

Besides oral medications, there are also surgical procedures such as placing penile pump and penile implant. This procedure also helps in erection. Erectile dysfunction is a treatable disease with appropriate treatment.