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Caverject is a prescription required medication for erectile dysfunction. Caverject is injected into the penis. Should produce an erection in 5 to 20 minutes and the erection should last for about 1 hour. Caverject is a prescription medication used for certain types of erectile dysfunction. Caverject belongs to a group of drugs called vasodilators. These work by relaxing the muscles and blood vessels in the penis so that an erection can occur. This medication comes in solution form to be injected into the penis before sexual activity.  You should be shown by a healthcare professional proper technique before self-use. A common side effect of Caverject is penis pain.

Shipping advisory
Please be advised that due to Covid-19, Canada Post and USPS have both removed their shipping guarantee. Therefore, orders may take 7-10 business days to receive. Please be sure to place your order sooner rather than later. Should you not receive your medication within the quoted time please do not hesitate to give us a call at our toll free number +1 888 646 7749 to speak to a member of our customer support team. Thank you
Prior to taking this medication

If you have an allergy to alprostadil or any other part of Caverject (alprostadil injection). If you are allergic to Caverject (alprostadil injection); any part of Caverject (alprostadil injection); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had. If you have been told that you are not healthy enough to have sex. If you have a deformed penis, penile implant, or other penile problems. If you have any of these health problems: Polycythemia or thrombocythemia. If you have any of these health problems: Leukemia, multiple myeloma, sickle cell anemia, or other health problems that may raise the chance of painful erection (hard penis) or an erection that lasts for longer than 4 hours. Ask your doctor if you are not sure. If you are a woman. This medicine is not approved for use in women. Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Caverject (alprostadil injection) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. 


This medication is given by injection into the penis as directed by your doctor. Before injecting each dose, clean the injection site with rubbing alcohol. It is important to change the location of the injection site with each dose to avoid problem areas under the skin. Therefore, choose an injection site on the other side of the penis from the site of the last dose, using a different area each time. After injection, apply pressure to the injection site with an alcohol swab for about 5 minutes to avoid bruising. Do not use a bent needle to inject this medication. If the needle is bent, replace it with a new needle. If the needle breaks during injection, contact your doctor right away. Dosage is based on your medical condition and response to therapy. This medication should usually work within 5 to 20 minutes to produce an erection that lasts for about 1 hour. The manufacturer recommends that this medication be used no more than 3 times a week with at least 1 day between each dose. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard needles and medical supplies safely. Consult your pharmacist. Inform your doctor if your condition persists or worsens (for example, if the drug does not produce an erection or it becomes more difficult to get an erection).

Side effects

Contact your Primary Care Physician should you experience signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat. Redness, lumps, swelling, tenderness, or curving of the erection (hard penis). Irritation where Caverject (alprostadil injection) is given. Chest pain or pressure or a fast heartbeat. Dizziness or passing out. Very bad headache. Shortness of breath. Any unexplained bruising or bleeding. Swelling of the leg veins. Call your doctor right away if you have a painful erection (hard penis) or an erection that lasts for longer than 4 hours. This may happen even when you are not having sex. If this is not treated right away, it may lead to lasting sex problems and you may not be able to have sex. 

Possible Questions
How do I store and/or throw out Caverject?

Keep Caverject out of reach of children and pets. Discard expired or unused medications. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs.

What are some things I need to know or do while I take Caverject?

Avoid driving and doing other tasks or actions that call for you to be alert until you see how Caverject (alprostadil injection) affects you. Avoid driving and doing other tasks or actions that call for you to be alert until you see how Caverject (alprostadil injection) affects you. This medicine does not stop the spread of diseases like HIV or hepatitis that are passed through blood or having sex. Tell all of your health care providers that you take Caverject (alprostadil injection). This includes your doctors, nurses, pharmacists, and dentists. 

Caverject is a prescription required medication that helps to treat male sexual function problems erectile dysfunction.  Should you have any questions about erectile dysfunction please do not hesitate to contact your Primary Care Physician or give us a call to speak to a licensed Pharmacist from our contracted Pharmacy department. It works by helping the blood flow into the penis to achieve and maintain an erection. This medication is not for use in women or children. This medication is not recommended for use in men with penile implants. Read the patient information and instructions for use if available from your pharmacist before you start using this medication and each time you get a refill. Learn all preparation and usage instructions. If you have any questions, ask our licensed pharmacist.  

USA Script Helpers is an established Pharmacy Partner in Canada that helps Americans all over the USA to get the best price guaranteed when it comes to their medication. USH acknowledges that all information provided in this article is to solely bring attention to topics such as the one that was written for Americans to be aware of how to use this medication safely. Speak to a medical professional regarding any medical advice. Please contact your local Primary physician or ask to speak to a Pharmacist from our licensed contracted Pharmacy department at 1-888-646-7749. USH is proud to help Americans all over the USA when it comes to their medications and their pet medications. USH is ready to serve you when you need it the most. Usa Script Helpers stays true to its’ best price guaranteed.

frequently asked questions
As long as you have provided a correct United States delivery address, if your order does not arrive within our 2-4 week shipping time frame, we will ensure our contracted pharmacy re-ships your order. If you do not wish to have the medication(s) re-shipped we will apply a credit for the full amount of your purchase. The choice is entirely up to you!
Unfortunately, no. Due to legal requirements our contracted pharmacies are unable to accept the return of prescription medications even if the package is still sealed. If for any reason, you are dissatisfied with your medication(s) please contact our toll-free number or initiate a chat with a customer care representative so we can take care of your concerns.
You may place an order for up to 3 months quantity/90 days of your prescription required medication(s). This is for both humans and pets!

USA Script Helpers only contracts reputable dispensing vendors.

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