If you’ve already had NAION or have crowded optic disc, you may have a higher risk for NAION and vision changes with this drug.
Are there any safety measures I should take before using this drug? Like most medications, there are precautions you should take before using this drug. Make sure you talk with your doctor about:
Sudden vision loss warning: This drug can cause sudden vision loss in one or both eyes. This can be a sign of a serious eye problem. If this occurs, stop taking sildenafil and call your doctor right away.
What if I forget to take it? If you are taking Revatio and you forget to take your scheduled dose, take it as soon as possible. However, you should never double your dosage. If you completely miss a dose and it’s time for the next dose, skip the one you missed.
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.
Side effects from sildenafil: Taking sildenafil with certain medications raises your risk for side effects from sildenafil. This is because the amount of sildenafil in your body is increased. Examples of these drugs include:
For PAH: This medication may not work as well or may stop working completely. For this drug to work well, a certain amount needs to be in your body at all times.
The kidneys, liver, or heart of older adults may not work as well as they used to. This can cause your body to process drugs more slowly. As a result, a higher amount of a drug stays in your body for a longer time. This raises your risk of side effects.
Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages.
O uso do sildenafila é contraindicado para pacientes de que fazem procedimento utilizando medicamentos da classe Destes nitratos, grupo por medicamentos amplamente usados no tratamento da angina.
Because of the “as needed” version of tadalafil, some users may find this option more convenient. Also, tadalafil tends to:
However, Viagra is viagra marketed and prescribed strictly for erectile dysfunction, while generic sildenafil can be prescribed for PAH as well.
If you take too much: You could have dangerous levels of the drug in your body. Symptoms of an overdose of this drug can include:
Sildenafil can be taken with food or without food. It is important to note that certain foods, particularly foods high in fat, can cause the drug to work more slowly than normal.