Vardenafil usage has been shown to cause some mild side effects. Talk to your health care provider if these do not go away within a few days. If you begin to experience more serious effects, seek medical attention immediately.
Common side effects reported from vardenafil use include:
- Headache
- Upset stomach
- Heartburn
- Runny nose
- Flushing
- Low back pain
More serious side effects include:
- An erection that lasts more than 4 hours
- Loss of vision
- Blurred vision
- Dangerously low blood pressure
- Dizziness
- Loss of hearing
- Difficulty breathing
- Fainting
- Swelling
If you experience any of these side effects, seek medical attention immediately. These are symptoms of a serious adverse reaction to this medication and require treatment right away.
As with all prescription medication, inform your doctor of any medical conditions you are currently managing. Tell them about any and all medication, prescription drugs, and supplements you are taking before starting treatment with vardenafil. Vardenafil can interact with substances in the body, causing potentially serious adverse reactions.
Do not take vardenafil if you are currently taking any nitrate medication such as isosorbide dinitrate, isosorbide mononitrate, and nitroglycerin. It’s important to inform your doctor if you are currently taking any form of high blood pressure medication, alpha-blocker medication, prescription antifungals (like fluconazole), or other medications for erectile dysfunction. You should include information about any herbal products you are currently using, especially St. John’s wort.
Do not drink grapefruit juice while taking vardenafil. Avoid or limit alcohol while using vardenafil.
Talk to your health care provider about safe drinking practices during treatment with vardenafil. vardenafil can interact with alcohol and cause potentially serious adverse reactions like those listed above.