Sildenafil 20 mg How Long Does It Last

Men who are not taking nitrate-based medications, and who do not have untreated high or low blood pressure, retinitis pigmentosa, recent myocardial infarction, or angina are considered acceptable candidates for sildenafil. What does Sildenafil contain? Generic Sildenafil contains the active substance sildenafil citrate. It is a PDE5 inhibitor that facilitates blood flow to the penile.

Who Should Take Sildenafil?

Men with erectile dysfunction should speak to their doctor to determine the cause. It can be the side effect of certain medications or caused by neurological disorders or psychological factors, but it can also be caused by diabetes, obesity, high blood pressure, or high cholesterol. In addition, many diseases that cause erectile dysfunction become more common with age. alone or as part of a larger treatment plan

Sildenafil (as well as under the Pfizer brand name Viagra) with each other, so Sildenafil 20 is always metabolized in the same way. It is considered a low-toxicity drug and generally, men tolerate it. It should be noted that sexual stimulation requires an erection to occur and some patients may not respond to the starting dose of 50 mg. In this case, your doctor may increase the dose.

How Long Does Sildenafil Last?

Sildenafil (Viagra) is one of the shorter-acting PDE5 inhibitors, with a duration of action of around four hours (its “half-life”), and only has the desired effect if the patient is also sexually aroused. After about 24 hours, none of the active ingredients remain in the body’s plasma. Those looking for a longer-acting pill may benefit from Spedra (Avanafil), Levitra (Vardenafil), or Cialis (Tadalafil), the latter lasting up to 36 hours and often referred to as the weekend pill.

Sildenafil’s short duration of action makes it a good starting medication for erectile dysfunction in many patients: it allows patients and doctors to start with a low dose and watch for side effects. include:

  • Headache (very common)
  • Dizziness
  • Visual color distortions (blue vision), visual disturbance, blurred vision
  • Flushing, hot flushes
  • Nasal congestion
  • Nausea, dyspepsia (indigestion)

Although rare, patients must seek medical attention immediately if they experience any signs of an allergic reaction, such as swelling of the face, lips, tongue, throat, difficulty breathing, or hives. Reactions such as pain, tingling, or numbness in the face, neck, chest, or jaw are also considered serious side effects. There is a reason to seek emergency medical attention, as is a prolonged erection that lasts more than 4 hours.

Can Any Factor Affect The Duration?

Several important factors can affect the duration of Viagra: The dose. The amount of Viagra you take affects how long it stays in your system. The smallest dose available, 25 milligrams (mg), does not last as long as the highest dose available, 100 mg.

However, it is not always recommended to take a higher dose as it may not be safe for you. Age. As you age, your metabolism slows down. Therefore, Viagra can work longer with age. Viagra works longer if you are 65 years or older.

Diet And Lifestyle

Eating a large meal or a lot of fatty foods just before taking Viagra can prevent it from being metabolized quickly or efficiently. The food metabolizes it and also allows it to last longer.

Alcohol consumption or smoking can also reduce blood flow to the penis, making Viagra less effective or shorter lasting.


Some medications, particularly antibiotics such as erythromycin, clarithromycin (Biaxin), and ciprofloxacin (Cipro), can interact with Viagra and affect how long it lasts.

General Health

Certain existing conditions can affect how long Viagra works. takes and how well it works for you. Diabetes, nervous system diseases like multiple sclerosis (MS). Heart diseases like atherosclerosis (fat build-up in the blood vessels) can make Viagra less effective and not last as long. Some kidney diseases can cause Viagra to last longer due to the disease’s effects on your metabolism.

Mental State

Feeling anxious, nervous, depressed, or stressed can affect how your body responds to sexual stimulation. If you do not feel relaxed or comfortable during sex, or if you are anxious because of previous sexual experiences, Viagra may not last long or be fully effective.

How Long Does It Take To Leave My System?

Viagra usually leaves your system after 2 to 3 hours. Depending on your metabolism, it can take 5-6 hours for Viagra to completely leave your system. A higher dose takes longer to leave your body. A 25mg dose may wear off after a few hours, but a 100 mg dose may take almost four times as long to leave your system.

Possible Risk Factors

Viagra often lasts for a few hours. You don’t usually have an erection all the time as Viagra is only used to increase blood flow. If you find Viagra is not working fast enough, try masturbation or foreplay to stimulate arousal. If Viagra does not work after 30 minutes, do not take more than the daily dose prescribed by your doctor.

Never take more than 100 mg of Viagra in 24 hours. Too much Viagra can cause severe headaches, low blood pressure, and orthostasis (drop in blood pressure when standing up), which can lead to fainting. Higher doses can also cause priapism, a painful erection that lasts more than 4 hours. This can damage penile tissue as the blood is stored in the penis. In this case, get emergency treatment immediately.

When Should You See Your Doctor?

Talk to your doctor before taking Viagra or related erectile dysfunction medications. It’s important to take a safe dose and have a clear idea of ​​how much to take in 24 hours. Some heart diseases medications, such as nitroglycerin and other nitrates, can interact dangerously with Viagra and cause your blood pressure to drop too low.

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