How to use Caverject

Caverject contains alprostadil which is similar to the natural substance in your body called prostaglandin E1. It widens blood vessels so that blood can flow into your penis more easily. This makes it easier for you to have an erection.

Caverject is used for “erectile dysfunction” including weak erections or impotence. Your doctor may also use it to help find the exact cause of your erectile dysfunction along with other tests.

Can I Buy Caverject Online?

Yes, You can buy Caverject from any reputable pharmacy, order online for easy, discreet home delivery, or use a click and collect service at your local pharmacy. Alternatively, visit a pharmacy you pass on your day-to-day travels.

Take special care with Caverject

Sexually transmitted diseases

Caverject will not protect you or your partner from sexually transmitted diseases like AIDS, herpes, and gonorrhoea. Injection of Caverject
can start a small amount of bleeding where the needle enters. This could increase the risk of transmission of such diseases. Condoms can protect against sexually transmitted diseases.

Taking other medicines

Tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription.

Driving and using machines

Caverject should not affect your ability to drive or use machines.

How to inject Caverject

At least once, a doctor or nurse will show you how to do the injection. Do not try to do it yourself until you have learnt the correct way, or if you can’t remember what to do, see your trainer again.

How much Caverject you need to inject?

Different people need different amounts of Caverject to treat erectile dysfunction. Your doctor will advise on the right dose for you and monitor you regularly to check how it is working. The starting dose is 1.25–2.5 micrograms. Most men find that a dose of 5–20 micrograms is right for them. However, some men may require a higher dose.

What Caverject contains

The active ingredient in Caverject is alprostadil. Each vial contains 5, 10 or 20 micrograms of alprostadil.

The other ingredients are lactose, sodium citrate, hydrochloric acid and sodium hydroxide.

The syringe contains benzyl alcohol (8.4 mg/ml) and water for injections. The antiseptic pads are soaked in isopropyl alcohol.

Side Effects of Caverject

Caverject comes with a warning of some side effects although not everyone using Caverject will experience them. 

If your erection lasts for more than 4 hours, seek immediate medical assistance. 

Very common side effects: 

  • Pain in the penis. 

Common side effects: 

  • Muscle spasms; 
  • Prolonged erections; 
  • Bruising or scarring on the penis; 
  • Bent or kinked penis; 
  • Other problems with your penis; 
  • Swelling, skin discolouration and bruising at the injection site – this should occur less often as you get used to using Caverject. 

How to store Caverject

Do not store above 25°C. When you have mixed the Caverject Powder with the solution, use it straight away. Do not keep it to use later on.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.