Caverject Kit (Alprostadil) Medication

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Drug Description


Caverject Kit is indicated for the treatment of erectile dysfunction. 

As a vasodilator, Caverject works by facilitating penile blood flow to attain and sustain an erection. 

Uses and Dosage 

Carefully read the accompanying medication guide and patient information leaflet before using the Caverject Kit and every time you get a refill. Familiarize yourself with all preparation and usage guidelines. Should you have any questions, consult your doctor or pharmacist. 

Caverject kit comes as a single-use, dual-chamber syringe system consisting of a glass cartridge. The front chamber contains sterile, freeze-dried alprostadil, while the rear chamber holds sterile bacteriostatic water for reconstitution. 

The initial dose administration and titration of this medication should occur exclusively in your doctor’s office. Do not alter the dosage without first consulting your doctor. 

For self-administration at home, follow these steps: 

  1. Select an injection site, typically along the dorso-lateral aspect of the proximal third of the penis. 
  2. Before each injection, clean the chosen site with rubbing alcohol. 
    • Rotate the injection site with each dose to prevent complications beneath the skin. 
    • Do not inject on visible veins. 
  3. Following injection, use an alcohol swab to apply pressure to the injection site for approximately 5 minutes to prevent bruising. 

Avoid using a bent needle for medication injection. In case the needle becomes bent, substitute it with a new one. If the needle breaks during the injection process, promptly notify your doctor. 

Following injection, an erection may develop within 5 to 20 minutes and should not extend beyond 1 hour. Do not use Caverject Kit more than three times a week and maintain a minimum 24-hour gap between each use. 

Regularly schedule appointments at your doctor’s office to assess the therapeutic benefits and safety of your treatment with the Caverject Kit. 

Side Effects 

Listed below are the potential adverse effects of Caverject Kit. Notify your doctor right away if any of these symptoms persist or worsen. 

Common Side Effects 

  • Mild to moderate discomfort, irritation, or minor bleeding at the injection site  

Serious Side Effects 

  • Penile redness, tenderness, swelling 
  • Penile lumps or unusual curvature 

Notify your doctor right away if any of the serious side effects above occur. 

In rare instances, Caverject users may experience a painful or extended erection lasting 4 hours or more. In such cases, discontinue the medication immediately and seek prompt medical assistance to prevent potential permanent issues. 

Allergic Reactions 

In rare cases, Caverject Kit may trigger a serious allergic response. Get immediate medical help if you observe any indications of an allergic reaction, such as: 

  • Rash 
  • Face, tongue, or throat swelling or itching 
  • Severe dizziness 
  • Trouble breathing 

This list does not cover all side effects of Caverject Kit. Tell your doctor if other side effects occur while utilizing this medication. 


Before using Caverject Kit, inform your doctor if you have any known allergies, particularly to alprostadil or to any of its initiative ingredients. 

To ensure Caverject Kit is safe for you, disclose to your doctor your medical background, especially if you have a history of: 

  • Penile conditions (e.g., angulation, fibrosis/scarring, Peyronie’s disease) 
  • Blood system cancers (e.g., leukemia, multiple myeloma) 
  • Sickle cell anemia 

Certain products, such as warfarin and heparin, can interact with Caverject. To minimize the risk of such interactions, inform all healthcare providers about any medications you are currently taking and have recently initiated or discontinued, including prescription and over-the-counter drugs, vitamins, and herbal supplements. 

The use of Caverject Kit does not provide protection against sexually transmitted diseases (e.g., HIV, hepatitis B, gonorrhea, syphilis). Employing an effective barrier method, such as a latex or polyurethane condom, during all sexual activity to reduce the risk of infection is recommended. 

Caverject Kit should not be used by men with penile deformities or those who have a penile implant. 

Caverject kit is not indicated for use in women and children under 18 years of age. 

Additional information

Generic name:



Prefilled Syringe, Solution for Injection


10mcg, 20mcg

Quantities Available:

6syr, 8syr, 10syr

Quality Prescription Drugs has provided information from third parties intended to increase awareness and does not contain all the information about Caverject Kit (Alprostadil). Talk to your doctor or a qualified medical practitioner for medical attention, advice, or if you have any concerns about Caverject Kit (Alprostadil).