The easy-to-use ED injection.

Caverject is an easy to use injectable treatment for erectile dysfunction. It can be helpful for men who can’t take oral tablets for ED for medical reasons, or who’ve tried tablets and they haven’t worked.
We carry both Caverject Dual Chamber and the standard version. So when you order Caverject online you can select the version that’s best for you with our help.
Caverject is an injection treatment for men with erectile dysfunction. It's a branded treatment that works a little differently to ED tablets like Viagra and Cialis, so it can be useful for men who’ve tried these and found they haven’t worked very well. Some men who can’t take ED tablets for medical reasons may also be recommended Caverject instead.
There are two types: Caverject (sometimes called Caverject Vials) and Caverject Dual Chamber (sometimes known as Caverject Impulse). With ‘regular’ Caverject, you’ll get a powder and liquid solution which you’ll need to manually mix together when you use it. Caverject Dual Chamber is a little more convenient to use, because the two parts (powder and solution) are contained within the injection and you mix them together by twisting the plunger.
It contains a drug called prostaglandin E1, and this relaxes blood vessels so blood can circulate into the penis more easily. By doing this, it helps to make erections firmer and last for longer.
You can get Caverject in 10mcg, 20mcg or 40mcg dosage packs, and Caverject Dual Chamber in 10mcg or 20mcg, depending on the country it’s being sold in. The plunger enables you to set the dose so you can apply the exact amount of Caverject the prescriber has recommended.
They’ll likely start you out on the smallest dosage. For many men, this is enough to get the desired results, but you can always talk about increasing the dosage with our clinician if needed.
The starting dosage for Caverject is 1.25 to 2.5mcg. It’s rare that dosages of over 20 mcg will be needed, but tell our prescriber if you don’t feel like these higher strengths are working well.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
There are two versions of Caverject: the regular powder and solution pack, also known as Caverject Vials; and Caverject Dual Chamber (or Impulse).
They’re the same treatment but the way they’re prepared and applied is slightly different.
Your first use of Caverject will need to be demonstrated by a nurse or doctor, so you shouldn’t try to do it yourself without having been shown first. The instructions below give an overview of how the treatments are applied, but aren’t comprehensive. You should follow the instructions in the leaflet and those given to you by our clinician closely during use.
This pack comes with two needles and a vial to combine the powder and solution.
To prepare the injection:
The injection and solution is contained within the syringe with Caverject Dual Chamber, so you don’t need to manually mix it.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
Have something specific you want to know? Search our info below, or ask our experts a question if you can’t find what you’re looking for.
Return of spontaneous erection during long-term intracavernosal alprostadil (Caverject) treatment. Urology, [online] 57(3), pp.536–541.
www.thepharmaletter.com. (n.d.). Upjohn’s Caverject Approved In The USA - Pharmaceutical industry news. [online]
Efficacy and Safety of Intracavernosal Alprostadil in Men with Erectile Dysfunction. New England Journal of Medicine, 334(14), pp.873–877.[Accessed 26th July 2021]
Nehra, A. (2007). Oral and non-oral combination therapy for erectile dysfunction. Reviews in urology, [online] 9(3), pp.99–105.
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1 Injection | £35.95 |
2 Injection | £58.95 Save £12.95 |
3 Injection | £81.95 Save £25.90 |
4 Injection | £104.95 Save £38.85 |
5 Injection | £127.95 Save £51.80 |
6 Injection | £149.95 Save £65.75 |
7 Injection | £173.95 Save £77.70 |
8 Injection | £196.95 Save £90.65 |
9 Injection | £219.95 Save £103.60 |
10 Injection | £242.95 Save £116.55 |
11 Injection | £265.95 Save £129.50 |
12 Injection | £288.95 Save £142.45 |
Quantity | Starting from |
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1 Injection | £37.95 |
2 Injection | £59.95 Save £15.95 |
3 Injection | £83.95 Save £29.90 |
4 Injection | £106.95 Save £44.85 |
5 Injection | £129.95 Save £59.80 |
6 Injection | £152.95 Save £74.75 |
7 Injection | £175.95 Save £89.70 |
8 Injection | £198.95 Save £104.65 |
9 Injection | £221.95 Save £119.60 |
10 Injection | £244.95 Save £134.55 |
11 Injection | £267.95 Save £149.50 |
12 Injection | £289.95 Save £165.45 |
Quantity | Starting from |
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1 Injection | £55.95 |
2 Injection | £96.95 Save £14.95 |
3 Injection | £135.95 Save £31.90 |
4 Injection | £176.95 Save £46.85 |
5 Injection | £216.95 Save £62.80 |
6 Injection | £257.95 Save £77.75 |
7 Injection | £296.95 Save £94.70 |
8 Injection | £337.95 Save £109.65 |
9 Injection | £377.95 Save £125.60 |
10 Injection | £418.95 Save £140.55 |
11 Injection | £457.95 Save £157.50 |
12 Injection | £498.95 Save £172.45 |
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2 Injection | £43.95 |
4 Injection | £73.95 Save £13.95 |
6 Injection | £101.95 Save £29.90 |
8 Injection | £130.95 Save £44.85 |
10 Injection | £158.95 Save £60.80 |
12 Injection | £188.95 Save £74.75 |
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2 Injection | £49.95 |
4 Injection | £84.95 Save £14.95 |
6 Injection | £119.95 Save £29.90 |
8 Injection | £153.95 Save £45.85 |
10 Injection | £188.95 Save £60.80 |
12 Injection | £222.95 Save £76.75 |
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28 Tablets | £84.95 |
56 Tablets | £158.95 Save £10.95 |
84 Tablets | £234.95 Save £19.90 |
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28 Tablets | £84.95 |
56 Tablets | £160.95 Save £8.95 |
84 Tablets | £234.95 Save £19.90 |
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4 Tablets | £55.95 |
8 Tablets | £94.95 Save £16.95 |
12 Tablets | £135.95 Save £31.90 |
16 Tablets | £176.95 Save £46.85 |
20 Tablets | £218.95 Save £60.80 |
24 Tablets | £259.95 Save £75.75 |
28 Tablets | £301.95 Save £89.70 |
32 Tablets | £342.95 Save £104.65 |
Quantity | Starting from |
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4 Tablets | £55.95 |
8 Tablets | £94.95 Save £16.95 |
12 Tablets | £135.95 Save £31.90 |
16 Tablets | £176.95 Save £46.85 |
20 Tablets | £218.95 Save £60.80 |
24 Tablets | £259.95 Save £75.75 |
28 Tablets | £301.95 Save £89.70 |
32 Tablets | £342.95 Save £104.65 |
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4 Tablets | £33.95 |
8 Tablets | £51.95 Save £15.95 |
12 Tablets | £72.95 Save £28.90 |
16 Tablets | £89.95 Save £45.85 |
20 Tablets | £113.95 Save £55.80 |
24 Tablets | £129.95 Save £73.75 |
28 Tablets | £148.95 Save £88.70 |
32 Tablets | £168.95 Save £102.65 |
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4 Tablets | £39.95 |
8 Tablets | £65.95 Save £13.95 |
12 Tablets | £89.95 Save £29.90 |
16 Tablets | £116.95 Save £42.85 |
20 Tablets | £141.95 Save £57.80 |
24 Tablets | £166.95 Save £72.75 |
28 Tablets | £194.95 Save £84.70 |
32 Tablets | £219.95 Save £99.65 |
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4 Tablets | £49.95 |
8 Tablets | £86.95 Save £12.95 |
12 Tablets | £119.95 Save £29.90 |
16 Tablets | £159.95 Save £39.85 |
20 Tablets | £194.95 Save £54.80 |
24 Tablets | £228.95 Save £70.75 |
28 Tablets | £263.95 Save £85.70 |
32 Tablets | £297.95 Save £101.65 |
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4 Tablets | £44.95 |
8 Tablets | £74.95 Save £14.95 |
12 Tablets | £104.95 Save £29.90 |
16 Tablets | £134.95 Save £44.85 |
20 Tablets | £166.95 Save £57.80 |
24 Tablets | £196.95 Save £72.75 |
28 Tablets | £226.95 Save £87.70 |
32 Tablets | £256.95 Save £102.65 |
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1 Pellets | £47.95 |
6 Pellets | £130.95 Save £156.75 |
Quantity | Starting from |
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1 Pellets | £47.95 |
6 Pellets | £130.95 Save £156.75 |
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4 Tablets | £19.95 |
8 Tablets | £24.95 Save £14.95 |
12 Tablets | £28.95 Save £30.90 |
16 Tablets | £33.95 Save £45.85 |
20 Tablets | £39.95 Save £59.80 |
24 Tablets | £44.95 Save £74.75 |
28 Tablets | £49.95 Save £89.70 |
32 Tablets | £53.95 Save £105.65 |
Quantity | Starting from |
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4 Tablets | £19.95 |
8 Tablets | £24.95 Save £14.95 |
12 Tablets | £28.95 Save £30.90 |
16 Tablets | £33.95 Save £45.85 |
20 Tablets | £39.95 Save £59.80 |
24 Tablets | £44.95 Save £74.75 |
28 Tablets | £49.95 Save £89.70 |
32 Tablets | £53.95 Save £105.65 |
Quantity | Starting from |
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4 Tablets | £19.95 |
8 Tablets | £24.95 Save £14.95 |
12 Tablets | £28.95 Save £30.90 |
16 Tablets | £33.95 Save £45.85 |
20 Tablets | £39.95 Save £59.80 |
24 Tablets | £44.95 Save £74.75 |
28 Tablets | £49.95 Save £89.70 |
32 Tablets | £53.95 Save £105.65 |
Quantity | Starting from |
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4 Tablets | £24.95 |
8 Tablets | £30.95 Save £18.95 |
12 Tablets | £37.95 Save £36.90 |
16 Tablets | £44.95 Save £54.85 |
20 Tablets | £51.95 Save £72.80 |
24 Tablets | £56.95 Save £92.75 |
28 Tablets | £61.95 Save £112.70 |
32 Tablets | £67.95 Save £131.65 |
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4 Tablets | £27.95 |
8 Tablets | £34.95 Save £20.95 |
12 Tablets | £41.95 Save £41.90 |
16 Tablets | £48.95 Save £62.85 |
20 Tablets | £55.95 Save £83.80 |
24 Tablets | £61.95 Save £105.75 |
28 Tablets | £68.95 Save £126.70 |
32 Tablets | £75.95 Save £147.65 |
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28 Tablets | £32.95 |
56 Tablets | £55.95 Save £9.95 |
84 Tablets | £78.95 Save £19.90 |
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28 Tablets | £41.95 |
56 Tablets | £67.95 Save £15.95 |
84 Tablets | £97.95 Save £27.90 |
Quantity | Starting from |
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4 Tablets | £33.95 |
8 Tablets | £53.95 Save £13.95 |
12 Tablets | £72.95 Save £28.90 |
16 Tablets | £93.95 Save £41.85 |
20 Tablets | £111.95 Save £57.80 |
24 Tablets | £132.95 Save £70.75 |
28 Tablets | £152.95 Save £84.70 |
32 Tablets | £173.95 Save £97.65 |
Quantity | Starting from |
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4 Tablets | £33.95 |
8 Tablets | £53.95 Save £13.95 |
12 Tablets | £72.95 Save £28.90 |
16 Tablets | £93.95 Save £41.85 |
20 Tablets | £111.95 Save £57.80 |
24 Tablets | £132.95 Save £70.75 |
28 Tablets | £152.95 Save £84.70 |
32 Tablets | £173.95 Save £97.65 |
Quantity | Starting from |
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4 Tablets | £30.95 |
8 Tablets | £47.95 Save £13.95 |
12 Tablets | £63.95 Save £28.90 |
16 Tablets | £79.95 Save £43.85 |
20 Tablets | £95.95 Save £58.80 |
24 Tablets | £111.95 Save £73.75 |
28 Tablets | £125.95 Save £90.70 |
32 Tablets | £143.95 Save £103.65 |
Quantity | Starting from |
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4 Tablets | £51.95 |
8 Tablets | £88.95 Save £14.95 |
12 Tablets | £125.95 Save £29.90 |
16 Tablets | £164.95 Save £42.85 |
20 Tablets | £201.95 Save £57.80 |
24 Tablets | £237.95 Save £73.75 |
28 Tablets | £274.95 Save £88.70 |
32 Tablets | £309.95 Save £105.65 |
Quantity | Starting from |
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4 Tablets | £38.95 |
8 Tablets | £61.95 Save £15.95 |
12 Tablets | £89.95 Save £26.90 |
16 Tablets | £119.95 Save £35.85 |
20 Tablets | £144.95 Save £49.80 |
24 Tablets | £167.95 Save £65.75 |
28 Tablets | £193.95 Save £78.70 |
32 Tablets | £218.95 Save £92.65 |
Quantity | Starting from |
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4 Tablets | £43.95 |
8 Tablets | £75.95 Save £11.95 |
12 Tablets | £107.95 Save £23.90 |
16 Tablets | £137.95 Save £37.85 |
20 Tablets | £169.95 Save £49.80 |
24 Tablets | £199.95 Save £63.75 |
28 Tablets | £232.95 Save £74.70 |
32 Tablets | £262.95 Save £88.65 |
Quantity | Starting from |
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4 Tablets | £45.95 |
8 Tablets | £78.95 Save £12.95 |
12 Tablets | £112.95 Save £24.90 |
16 Tablets | £147.95 Save £35.85 |
20 Tablets | £181.95 Save £47.80 |
24 Tablets | £216.95 Save £58.75 |
28 Tablets | £249.95 Save £71.70 |
32 Tablets | £285.95 Save £81.65 |
Quantity | Starting from |
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4 Tablets | £36.95 |
8 Tablets | £51.95 Save £21.95 |
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4 Creams | £94.95 |
8 Creams | £165.95 Save £23.95 |
12 Creams | £239.95 Save £44.90 |
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Erectile dysfunction: Here are some other options.
Comes as an on-demand pill that lasts for 36 hours, or as a daily dose that's active all the time.
Lower dose pill. Better option if you're older or have a pre-existing condition like diabetes.
Small pellet you insert into the tip of the penis, that works from 10 minutes.
Like Viagra, but cheaper and works in the same way. Non-branded version of the original ED drug.
Like Cialis, but without the branding (so it's cheaper). 'Weekend' and daily options available.
Non-branded version of Levitra. Works in the same way, but cheaper.
The one you've heard of. Works in 30-60 minutes and lasts for up to 5 hours.
Rebranded version of Viagra that comes in one dose (50mg) and doesn't need a prescription.
Cream that you apply to the tip of the penis and works from 5 minutes.
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