You will have been prescribed medicine for erectile dysfunction (ED), such as Vardenafil, Tadalafil, and Sildenafil. These drugs are often known as phosphodiesterase type 5 (PDE5) inhibitors. They work by rising blood flow to the penis and help you maintain an erection. ED treatment could be very efficient and may improve your quality of life, but it is best to bear in mind of some potential unintended effects.

Also, if in case you have certain well being problems, there are issues it is best to know if you need to use ED medicine.


What are unwanted effects of ED treatment?
Much less serious uncomfortable side effects


There are some less severe visual negative effects that are common among customers. 正品威而鋼 can embrace:
blurry imaginative and prescient mild sensitivity - problem telling colours like blue and inexperienced apart - having a blue-inexperienced tinge to your imaginative and prescient - decreased coloration imaginative and prescient

These unwanted effects are momentary and haven't been proven to have a dangerous impact in your imaginative and prescient. If these or some other unwanted side effects proceed, call your physician.


ED medications and pre-current eye problems
NAION

NAION stands for Non-arteritic Anterior Ischemic Optic Neuropathy. This causes sudden loss of vision in one eye. This occurs when blood movement to the optic nerve is blocked. Males at risk for NAION include those with:


diabetes - coronary heart illness or historical past of heart assault - high blood strain
These conditions are also risk factors for ED. Because of this, many who are in danger for NAION take ED remedy. There have been some patients who get NAION shortly after taking their medication. Though no direct cause has been proven, there does appear to be a link between ED remedy and NAION. That is especially true for patients who have a crowded optic nerve, or a "disk in danger." Your ophthalmologist will let you realize when you have such an optic nerve.

For patients already at risk for NAION, taking ED treatment can raise the chance by reducing blood stress.

If you're taking or plan to take ED treatment and are involved about your risk for NAION, talk to your main care doctor or your ophthalmologist. If you're taking ED treatment and have a sudden loss of imaginative and prescient, stop taking the drug and see a physician instantly.


Retinitis pigmentosa (RP)
Retinitis pigmentosa is a disease that impacts the retina. It causes folks to slowly lose their imaginative and prescient. RP is a genetic disease (handed down from dad and mom). It may be brought on by mutation of a gene that makes the enzyme PDE6 (this is an enzyme that is important for vision).

To assist keep an erection, ED medication inhibit PDE5. But sometimes the drug can even inhibit PDE6. As a result of folks with RP have already got much less PDE6 than regular, using ED medicine can harm their vision.