Even when a drug is taken as prescribed, side effects can occur. ****** is no exception. Here are some common and not so common side effects you should be aware of before taking the drug.
Common
* flushing
* headache
* nasal congestion
* stomach discomfort following meals
Less Common
* abnormal vision including blurred vision, seeing shades of colors differently than before, or sensitivity to light
* bladder pain
* cloudy or bloody urine
* dizziness
* increased frequency of urination
* pain on urination
* diarrhea
Rare
* bleeding of the eye
* convulsions (seizures)
* decreased or double vision or in extreme cases blindness
* a blue tint to your vision
* prolonged, painful, or inappropriate erection of *****
* redness, burning, or swelling of the eye
* anxiety
When used properly and appropriately, ****** is helpful for men with erectile dysfunction. By taking the medicine as prescribed and by knowing what adverse effects to look for, ****** can be safe and effective. Before taking ******, you must consult your physician to see if it is right for you.