Can I take 300 mg of sildenafil?

No, you shouldn't take Viagra more than once per day. The recommended maximum frequency is once per day, with the maximum dose being 100 milligrams per day. Talk with your doctor if you have questions about how to use Viagra for your condition.


What is the maximum amount of sildenafil to take?

Dosage and strength for erectile dysfunction

Sildenafil tablets for erectile dysfunction come in different strengths ranging from 25mg to 100mg. The usual dose is 50mg, when you need it. Do not take it more than once a day. The dose can be increased to 100mg or decreased to 25mg depending on its effect.

Can I overdose on sildenafil?

An overdose of sildenafil may theoretically result in hypotension, tachycardia and cardiac arrest (5).


What happens if you take more than 100 mg of sildenafil?

Never take more than 100 mg of Viagra in a 24-hour period. Too much Viagra can cause severe headache, low blood pressure, and orthostasis (drop in blood pressure when standing) that can lead to fainting. Higher doses can also cause priapism, a painful erection that lasts longer than 4 hours.

How long does 200mg of sildenafil last?

Sildenafil (Viagra) for ED (erectile dysfunction) lasts about four hours. It reaches peak concentrations in about an hour, so it's best to take sildenafil 30 to 60 minutes before sex.


Viagras how to use || Sildenafil for ED || Erectile Dysfunction Treatment



How long will sildenafil keep you hard?

Most men affected by erectile dysfunction who use Viagra are able to get and maintain an erection without any issues for approximately four hours after taking this medication.

When does Viagra peak?

When a person takes it orally, the body rapidly absorbs Viagra. The concentration of Viagra in the blood peaks around 30–120 minutes after taking the drug — usually around the 60 minute mark.

How can I make sildenafil more effective?

Here are some tips that can really help Viagra do its thing.
  1. Avoid taking it on a full stomach. ...
  2. Avoid drinking alcohol or taking drugs. ...
  3. Take the recommended dose––and get the timing right. ...
  4. Improve your overall health.


Why is my sildenafil not working?

There are several reasons Viagra and other ED drugs might not work effectively as treatments for erectile dysfunction. These include using Viagra incorrectly, taking a low dose of Viagra and using Viagra to treat ED that's caused by something other than poor blood flow.

Can you take 2 100mg sildenafil at once?

Because 100mg is the highest dose available, you should never 'double up' on tablets or take more than one in 24 hours. Sildenafil 100mg is the highest safe dosage you can take – if it is ineffective, you should try another ED treatment.

What are the dangers of sildenafil?

Common side effects
  • Headaches. Make sure you rest and drink plenty of fluids. ...
  • Feeling sick (nausea) It may help if you avoid rich or spicy food. ...
  • Flushing including hot flushes. Try cutting down on coffee, tea and alcohol. ...
  • Indigestion. ...
  • Stuffy nose. ...
  • Feeling dizzy.


What should you avoid when taking sildenafil?

do not take sildenafil if you are taking or have recently taken riociguat (Adempas) or nitrates (medications for chest pain) such as isosorbide dinitrate (Isordil), isosorbide mononitrate (Monoket), and nitroglycerin (Minitran, Nitro-Dur, Nitromist, Nitrostat, others).

Does sildenafil increase size?

Sildenafil (brand name Viagra, or affectionately nicknamed “the little blue pill”; see Important Safety Information) is a highly effective medication to treat erectile dysfunction. However, there is something it can't do. Viagra does not make your penis bigger. No pill does.

How long does it take for sildenafil to kick in?

Sildenafil is an effective oral treatment for ED that produces a penetrative erection as early as 12 min and for most patients, within 30 min after dosing, and a duration of action lasting at least 4 h.


How long after eating can I take sildenafil?

You need to plan for a minimum of two hours between the last thing you eat and ingesting the tablet.

Is it OK to take sildenafil everyday?

The short answer is yes; you can take Viagra or its generic form, sildenafil, every day. Whether you need to or should, depends. Since each person is different, you should consult with a doctor about what's best for you. They can discuss dosage and frequency.

What happens if sildenafil 100mg doesn't work?

Speak with your healthcare provider about a different dose

If Viagra isn't working for you, you might need a higher dose. But don't experiment on your own: Always speak with a healthcare provider about dosage changes and never take more than one dose of Viagra in any 24 hour period.


Does sildenafil make you hard automatically?

Viagra and other ED medications don't directly cause you to get an erection or provide any kind of sexual stimulation on their own. Instead, all these medications do is improve the rate of blood flow to your penis when you feel aroused.

What happens when a woman takes sildenafil?

When used in women, Viagra is thought to raise blood flow to the genitals so that there's more sensitivity and stimulation. Studies have shown that Viagra may provide a benefit for women having difficulty with sexual arousal — since it may help them respond better to sexual stimulation.

Does Viagra stop you from coming?

Viagra is a medication that helps you to get and keep an erection, so it can make you last longer in bed if you're finding it difficult to stay erect during sex. However, Viagra does not help you last longer if you're orgasming faster than you want to.


How do you know when Viagra is working?

For most men, it takes around 30 minutes before you start to feel the effects of Viagra.
  1. 12 minutes after – One study has shown that some men got an erection just 12 minutes after taking Viagra. ...
  2. 27 minutes later – This is the average time for Viagra to start working, helping you to get an erection.


Does alcohol affect Viagra?

It's best to avoid consuming alcohol while taking ED medications like Viagra: Not only can alcohol counteract the medication's effects, but it can also worsen side effects, like flushing and headaches. Again, talk to your healthcare provider before drinking alcohol if you're taking medications like Viagra.

Does sildenafil weaken over time?

Here's the short answer: Viagra expires. As with all medications, the ingredients in Viagra break down over time. This means that the drug's effects will become much less potent every day after it expires.


Can you sleep with sildenafil?

Results In comparison to placebo, a single 50-mg dose of sildenafil significantly increased the percentage of total sleep time with an arterial oxygen saturation of less than 90% (mean ± SD, 14.2% ± 9.1% vs 8.5% ± 3.2%, P<.

Can you drink caffeine on sildenafil?

There aren't any known interactions between caffeine and Viagra, but minor side effects may still occur. Ask a doctor if there are any foods or beverages that you should avoid while taking Viagra.