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This product requires a prescription. Our online Dr can review your medical history and may issue a prescription renewal (at no extra cost). Online doctor products do not ship from New Zealand, but from a licensed affiliate international pharmacy (typically the UK).
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Caverject can have intermittent delays in shipping. We also offer Viridal Duo and Viridal Duo Starter Kit which are fully in stock and shipping fast. Please note the alcohol swabs are removed from this as they are flammable and not allowed to fly.

This ships from the UK with tracking.
Caverject (alprostadil) is a vasodilator used to treat erectile dysfunction, or impotence, in adult men. It is also sometimes used as a diagnostic tool when trying to determine the cause of erectile dysfunction.
Also known as 'Edex'
Who Uses Caverject?

This medication is used by sexually mature men suffering from erectile dysfunction.

Erectile dysfunction can be caused by physical nerve or blood vessels conditions, hormonal imbalances, stress, or emotional disorders. In many cases it is a combination of several factors. The end result is the inability to achieve or maintain an erection firm enough for intercourse, a condition which can have a considerable impact on a man's life.

Caverject greatly improves blood flow to the penis, allowing an erection to occur, regardless of the underlying cause of dysfunction. It is not a cure for erectile dysfunction.

Men with penile implants or abnormalities should discuss possible complications with a physician before using Caverject.

How Does it Work?

The active ingredient in Caverject, alprostadil, is a vasodilator which relaxes muscles and blood vessels in the penis, greatly improving blood flow and allowing an erection to occur. The effects usually last around one hour.

How is it Used?

Caverject is injected into the penis with a syringe. Dosage will depend on the exact condition being treated and other factors, such as patient age.

Each dose requires one injection. Step by step instructions for preparation and use are included with the product and should be reviewed prior to use. The medication will begin to work within 5 to 20 minutes. Effects usually last from 30 to 60 minutes.

Some men experience bruising at the site of injection; this can usually be prevented by applying pressure to the area for 5 minutes after injection is complete.

To prevent skin problems the injection site should be in a different location each time. Some men find it helpful to alternate sides of the penis for each dose.

Each dose should be visually inspected before use for any particles or discoloration; do not use if discovered.

This product should not be used more than once every 24 hours, and not more than 3 times a week.


Active ingredient: alprostadil

Inactive ingredients: water, benzyl alcohol, lactose, hydrochloric acid, alfadex, sodium citrate, sodium hydroxide

Patients with known hypersensitivity to any of the ingredients in Caverject should not take this product. This product contains lactose.

Adverse Effects:

If used properly, side effects associated with Caverject are rare. However, some side effects are serious and should brought to the attention of a physician before continuing to use Caverject:
  • Pain or aching in the penis, testicles, or perineum
  • Redness or other skin problems on the penis
  • Burning sensation in the urinary opening of the penis
  • Headache or back pain
  • Vision problems
Side effects that warrant immediate medical attention include:
  • An erection lasting more than 4 hours
  • Swelling or unusual curving of the erect penis
  • Nodules in the penis
  • Swollen veins in the legs
  • Rapid heartbeat
  • Fainting
If Caverject begins to lose effectiveness or stops working, discontinue use and contact a physician for alternative solutions.

Contraindications and Interactions:

Caverject is for adult men only and not for women or boys who have not yet reached sexual maturity.

Men with sickle cell anemia, leukemia, or multiple myeloma should not use Caverject as there is a risk of prolonged erection, which can be very painful and may cause damage to the penis.

Men with penile implants or abnormalities should discuss possible complications with a physician before use.

Patients should read the information provided with this medication for a complete list of possible adverse effects and interactions.

Why Caverject?

For many men erectile dysfunction is a frustrating and devastating condition. Caverject offers a safe and effective solution that allows men to maintain an active sex life and a healthy relationship with their partner.


5mcg alprostadil  Buy Caverject 1 Injection - $33.62
Online Doctor
No current Rx required
Brand Pack Sizes Strength Price Cart
Buy Caverject 1 Injection 5mcg Unavailable
Buy Caverject 1 Injection 10mcg $51.16 Add
Buy Caverject 1 Injection 20mcg $58.47 Add
Buy Caverject 1 Injection 40mcg $93.56 Add
Stock expected by 2021-06-30 or later.

Medicines have benefits and some have risks. Always read the label and use only as directed. If symptoms persist or you have side effects see your health professional.

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Caverject Reviews

Overall rating:
  • 2017-11-20 16:10:35 EST
    The first injection I received was from a friend who had some extra. It worked amazingly fast and I was able to maintain my erection for what seemed like all night. I even had a little residual effect the next day. That when I ordered a one injection kit and injected myself with the same effect. I plane on order more as soon as I can.
  • 2017-10-06 20:36:05 EST
    I would like to see if this works for me. I've been having ED issued for quit somtime.
  • 2017-02-05 17:36:37 EST
    I have never tried the product would like to try it
  • 2012-04-28 20:20:35 EST
    The caverject impulse kits are convenient, user friendly and work wonders for me ! Fantastic brand name product. Kiwi drugs is a honest and customer focused company .
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