Medications for Erectile Dysfunction
Few Drugs Used for Erectile Dysfunction Treatment are Listed Below:
| Generic Name and Action | Brand Name(s) | Common Dosages | Side Effects | Special Considerations | Comments |
| Sildenafil -- increases blood flow | Viagra® (Pfizer) 800-533-4535 | Starting dose is 50 mg orally approx. 1 hour before sexual intercourse. Depending on side effects or response, a physician may decrease dose to 25 mg or may gradually increase the dose to a maximum dose of 100 mg. |
Headache, flushing, heartburn, changes in vision, dizziness, and diarrhea |
The use of Viagra is contraindicated in pts. currently taking any form of nitroglycerin such as: patches, tablets, sublingual. Pts. with cardiac risk factors such as hypertension, obesity or cigarette smoking should use with extreme caution. |
Currently approved for impotence in males only. Do not take more than the prescribed dose by a physician. Contact a physician immediately if an erection lasts longer than 4 hours. |
| Alprostadil (penile suppository) ---- increases blood flow | Muse® (Vivus) 800-615-2416 | Starting dose is 125-250 mcg. Insert suppository into the urethra approx. 15 min before sexual intercourse. Depending on side effects and response, a physician may slowly increase dose to a maximum of 1000 mcg. Do not use more than 2 doses within a 24 hour period. |
Flushing, nausea, abdominal cramps, increase heart rate, decrease in blood pressure, dizziness, not feeling well and/or fluid retention |
Store under refrigeration. Take out of the refrigerator, 30 minutes prior to use. |
Sit, stand, or walk for about 10 minutes after insertion of the suppository. Contact a physician immediately if an erection lasts longer than 4 hours. |
| Alprostadil (penile injection) --increases blood flow | Caverject® (Pharmacia & Upjohn) 800-253-8600 | Starting dose is 2.5 mcg given by injection in the shaft of the penis. Depending on side effects and response, a physician may decrease or increase the dose. The recommended frequency of injection is 3 times a week, with at least 24 hours between injections. |
Flushing, nausea, abdominal cramps, increase heart rate, decrease in blood pressure, dizziness, not feeling well, and/or fluid retention |
Store at room temperature, use the solution immediately upon reconstitution. |
First time dose must take place while a physician is present, to ensure proper dose and technique. Contact a physician immediately if an erection lasts longer than 4 hours. Do not use in rectum. |
| Yohimbine -- increases blood flow | Yocon® (Glenwood) 201-569-0050 | 5 mg three times daily by mouth. | Increase in blood pressure and heart rate, irritability, tremor, headache, flushing, and dizziness |
Discontinue after 10 weeks if therapy produces no positive response. Usual response time is 3 days to 3 weeks. |
Studies have shown that it may be effective in treating patients who have psychological rather than neurological symptoms. Contact a physician immediately if an erection lasts longer than 4 hours. |
| Papaverine -- increases blood flow | (Schein Pharmaceuticals) 973-593-5500 | Starting dose is 20-30 mg injected in the shaft of the penis. Depending on side effects and response, a physician may decrease or increase the dose. |
Drowsiness, dizziness, headache, nausea, vomiting, weight loss, diarrhea, liver disease, and skin rash |
This medication has the potential for more serious adverse effects than other male impotence medications. Side effects need to be closely monitored by physician |
First time dose must take place while a physician is present, to ensure proper dose and technique. Contact a physician immediately if an erection lasts longer than 4 hours. Papaverine can also be used in combination with phentolamine. |

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