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    Intracavernous injection

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    Bangkok Hospital Pattaya
    Updated on: 15 Sep 2025
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    Intracavernous injection
    Bangkok Hospital Pattaya
    Updated on: 15 Sep 2025

    Intracavernosal injections (ICI) involve a direct injection of potency-enhancing medication directly into the penis.

    What are the advantages of ICI compared to oral medications?

    ICI is more effective in more cases

    Not every man responds to PDE5 inhibitors (such as Viagra) because of poor vascular health or an injury. ICI is injected directly into the penis ensuring that the vasoactive agents are delivered where it counts, without the need to travel throughout the entire body.

    ICI has also become an important part of erectile rehabilitation programs after radical prostatectomy (prostate removal due to cancer). ICI helps prevent muscle atrophy and preserves tissue integrity in the penis, possibly speeding up the return of spontaneous erection.

    Fast-acting

    • ICI produces an erection within 2-15 minutes versus 1 hour required for the pills to work.

    Is ICI right for everyone?

    There are some contraindications for the ICI treatment:

    • Difficulty controlling hands due to neural issues or arthritis
    • Uncontrolled high blood pressure
    • Concurrent use of MAO Inhibitors

    Is it safe?

    ICI therapy has been in use since 1983. It has been proven as a safe treatment when appropriately prescribed.

    What is the process?

    Injections are self-administered. In order for you to understand the correct procedure, we’ll schedule two sessions: during the first one, a physician will demonstrate how you should self-inject. During the second session you will self-inject supervised by a physician. We’ll also provide verbal and written instructions.

    How does it feel?

    The needle used is very small and doesn’t cause much discomfort. You may experience a warm sensation within 3-5 minutes after the injection.

    Side effects are typically transient and may include pain and swelling that subside within an hour.

    For more information, please contact

    Urology Center

    E building, 4th floor

    Monday - Sunday
    8:00 am - 5:00 pm

    +66 3825 9986

    [email protected]

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