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Do injectible treatments for ED create an automatic erection?

Stacy Wiegman, PharmD
Pharmacy Specialist
Injectable treatments such as Caverject (alprostadil) for erectile dysfunction produce an erection by relaxing the muscles and blood vessels in the penis. It usually takes between 5 to 20 minutes to achieve an erection after you self-inject. However, this treatment cannot be used more than 3 times per week and you must wait at least 24 hours before injecting it again.
Dr. Jeanne Morrison, PhD
Family Practitioner

Yes, they do. Injectable treatments for erectile dysfunction (ED) can cause an erection without sexual stimulation. These drugs work by widening blood vessels in the penis to allow the increased blood flow needed for an erection.

Injectable drugs for ED may have side effects, such as scarring of the penis (Peyronie’s disease) and priapism (an erection that lasts more than four hours). See your doctor if you experience priapism, which could permanently damage the penis if left untreated.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.