Healthy Tips For Better Life

Viagra, Levitra, and Cialis and Vision Problems

If you use Levitra, Cialis, or Viagra, you may have heard about the possible effects they can have on your vision. Many people are unsure whether the vision problems these drugs cause is rumor or truth.

"Many patients come to me to learn more about vision problems associated with Viagra, Cialis, and Levitra, and tell the truth; yes, these drugs can cause serious vision problems," says Dr. Stuart Lewis, an ophthalmologist in Denver, Colorado.

There is well-documented information about drugs like Viagra, Levitra, and Cialis and the side effects they can cause. These drugs work by inhibiting an enzyme in the body (PDE-5), and enhancing the effects of nitric oxide. Nitric oxide is a chemical within the body that stimulates smooth muscle and enhances blood flow, resulting in the desired effects.

Unfortunately, these medications can also affect blood flow in arteries in other parts of the body, producing serious, unwanted side effects. For instance, in addition to inhibiting the enzyme PDE-5, Viagra-like medications can also inhibit the enzyme PDE-6. This other enzyme functions in the photoreceptors in the eyes; the result is light sensitivity or blue-tinged vision.

In addition to this vision-related side effect Levitra, Cialis, and Viagra can also cause other side effects, including:

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