The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.
Esse metabólito apresenta retrato por seletividade para as PDE semelhante a da sildenafila e potência por inibição in vitro
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Sildenafil works as a PDE5 inhibitor, which blocks the effect of PDE5 and allows more unrestricted blood flow, making an erection more likely.
Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.
Many insurance companies require prior authorization for this drug. This means your doctor may need to get approval from your insurance company before your insurance company will pay for the prescription.
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Your doctor may start you on a lowered dosage of sildenafil. This can help prevent levels of this drug from building up in your body.
The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.
Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level.
It’s possible that your erectile dysfunction is the result of an inadequate amount of nitric oxide, one of the key messengers involved in erections. One study, for example, found that the oral administration of L-arginine in high doses could be effective in reducing the symptoms of erectile dysfunction in men with a nitric oxide deficiency. However, the effects seemed to be negligible in men that have normal levels of nitric oxide.
You may need to show airport staff the pharmacy label for your Viagra medication. Always carry the original prescription-labeled container with you.
There are other drugs available to treat your condition. Some may be better suited for you than others. Talk with your doctor about other drug options that may work for you.
Increased side effects can include low blood pressure, dizziness, or vision problems. They can also include erections that last longer than normal.