Dear doctor, I wanted to know that whether alprostadil penis injection has to be taken once in a year or every time before having sex. I also heard of caverject injection for erectile dysfunction. Whether both are same or different. Where it is available in India for treatment.

Dr. Sajeev KumarGeneral Physician32yrs exp

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Alprostadil Injection is a prostaglandin (PGE-1). It works by relaxing certain muscles in the penis and widening blood vessels, which increases blood flow to the penis and helps to cause an erection. When the effect of the alprostadil wears off, blood flow returns to normal and the erection disappears. ANd Caverject also is a prostaglandin (PGE-1). It works by relaxing certain muscles in the penis and widening blood vessels, which increases blood flow to the penis and helps to cause an erection. Here also When the effect of the alprostadil wears off, blood flow returns to normal and the erection disappears. It is available. All medicines may cause side effects, but many people have no, or minor, side effects. 

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