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Sildenafil Side Effects Long Term

Sildenafil Side Effects Long Term

What is sildenafil?

Sildenafil is a prescription drug. It comes in the form of a tablet and suspension (liquid). Both are taken by mouth. It also comes in an intravenous (IV) form, which is only given by a doctor. Sildenafil oral tablet is available as the brand-name drugs Viagra and Revatio. It’s also available as a generic drug. Generic drugs usually cost less than the brand-name version. In some cases, they may not be available in every strength or form as the brand-name drug

Common side effects of sildenafil include:

  • headache
  • dizziness
  • visual disturbance and colour distortion.
  • facial flushing
  • nausea
  • nasal congestion
  • indigestion

Serious side effects

Call your doctor right away if you have serious side effects. Call 911 if your symptoms feel life-threatening or if you think you’re having a medical emergency. Serious side effects and their symptoms can include the following:

  • Low blood pressure. Symptoms can include:
  • blurry vision
  • confusion
  • dizziness
  • fainting
  • lightheadedness
  • nausea or vomiting
  • sleepiness
  • weakness
  • Increased shortness of breath or trouble breathing
  • Priapism (an erection that won’t go away). Symptoms can include:

How it works

Sildenafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions. Sildenafil works in different ways, depending on the condition it’s being used to treat. For ED: Sildenafil works by increasing blood flow to the penis. This helps you get or maintain an erection. Sildenafil only works for ED if you’re sexually aroused. For PAH: Sildenafil works by relaxing the muscles and opening up the blood vessels in your lungs. This decreases the blood pressure in your lungs. Sildenafil slows down the progression of your illness. 

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