What is penile injection therapy and how does it work?

Penile injection therapy, also known as intracavernosal injection therapy, is a treatment option for erectile dysfunction (ED). It involves injecting a medication directly into the penis to achieve an erection. This approach is usually considered when other treatments, such as oral medications or vacuum erection devices, have not been effective or are not suitable for the individual. Here’s how penile injection therapy works:

1. Medication Used: The most common medication used for penile injection therapy is alprostadil (prostaglandin E1). Alprostadil is a vasodilator, meaning it relaxes the blood vessels and promotes blood flow. This medication helps increase blood circulation in the penis, leading to an erection.

2. Injection Process: The injection is typically administered by the individual or their partner. Here’s a general overview of the process:

• The healthcare provider will determine the appropriate dosage of alprostadil based on the individual’s needs and response to the medication.
• The individual or their partner will be trained by a healthcare professional on how to prepare and administer the injection.
• Before the injection, the penis is typically cleaned and sanitized to reduce the risk of infection.
• The injection is usually given into one of the side areas of the penis, often near the base.
• The injection itself might cause mild discomfort or a brief stinging sensation.
• Within a relatively short time after the injection, an erection should develop.

3. Erection Duration: The erection usually lasts for around 30 minutes to an hour. In some cases, the erection might last longer. If the erection lasts for more than four hours (a condition called priapism), it’s important to seek medical attention to prevent potential complications.

4. Effectiveness and Precautions: Penile injection therapy can be effective for many men with ED, including those who do not respond well to oral medications. However, it requires proper training and careful administration to ensure safety and effectiveness. It’s important to follow the healthcare provider’s instructions closely and avoid using more medication than prescribed.

5. Potential Side Effects: Side effects can include pain at the injection site, mild bleeding, or a prolonged erection (priapism), which requires medical attention. In some cases, there might also be a risk of developing fibrosis (scarring) in the penile tissues.

Before considering penile injection therapy, it’s important to consult a healthcare professional who can assess your medical history, discuss the potential benefits and risks, and determine if this approach is appropriate for you. They can provide guidance on proper administration techniques, potential side effects, and address any concerns you might have.