The highest recommended Viagra dose for treating erectile dysfunction (ED) is 100 mg per day, according to the drug's manufacturer. Doses of 150 mg or 200 mg would be considered off-label use.
The amount of time that sildenafil affects someone depends on their weight, age, and other health factors, but the pill usually wears off after 4-6 hours. Note that your erection should never last more than four hours. If it does, seek medical treatment.
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.
Sildenafil can be prescribed in 20 mg, 40 mg, 60 mg, 80 mg, and 100 mg doses. 100 mg is the maximum dosage available for Viagra and sildenafil for a reason, and your healthcare provider is unlikely to prescribe more than that for you.
As the concentration of Viagra in the blood typically peaks 60 minutes after taking the drug, the effects are strongest around this time. Therefore, it is best to take Viagra around 1 hour before any sexual activity.
Common physical causes of erectile dysfunction include heart disease, diabetes, nerve damage and high blood pressure. Hormonal issues, such as low testosterone, can also affect your level of sexual desire, which may stop you from getting an erection even with Viagra.
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.
Men with ED who received sildenafil 50 mg for 2 weeks and then received a dose increase to sildenafil 100 mg had a higher proportion of completely hard and fully rigid erections and a higher rate of SSI at the initial sexual intercourse attempt with sexual stimulation and using the higher dose than they did with the ...
Minor differences in packaging aside, brand name Viagra and its generic counterpart sildenafil are exactly the same medication. If you have erectile dysfunction, both medications should produce noticeable improvements in your erections and sexual performance. The key difference, as we mentioned above, is price.
You may be more likely to experience symptoms such as dizziness, lightheadedness, fainting, flushing, headache, and heart palpitations. You should avoid or limit the use of alcohol while being treated with sildenafil, and use caution when getting up from a sitting or lying position.
The highest recommended Viagra dose for treating erectile dysfunction (ED) is 100 mg per day, according to the drug's manufacturer. Doses of 150 mg or 200 mg would be considered off-label use.
Generally Viagra requires 30-60 minutes to take effect, therefore take Viagra at least one hour before you intend to have sex. However the length of time Viagra takes to work can be affected by food, alcohol and sexual stimulation.
You should never exceed a 100mg dosage of Viagra. Don't take Viagra more than once a day, and never take two Viagra pills at a time. And make sure to alert your healthcare provider if you still find it difficult to get or maintain an erection after using 100mg of Viagra.
Unfortunately, that's one of many dangerous logical fallacies when it comes to ED medications: taking two pills isn't going to make your erection twice as hard, or twice as large — it's just going to cause your risk of adverse effects to double.
If you find Viagra doesn't work, you can make changes to improve the effectiveness of the drug. Taking the pill at the right time, not taking it on a full stomach, and avoiding taking it with excessive drug or alcohol use all might improve the effectiveness of the medication if Viagra doesn't work for you.
Causes of erectile dysfunction
Blood flow into the penis is reduced or the nerves are damaged. Emotional and psychological reasons such as stress, low self-esteem or performance anxiety. Lifestyle changes such as drinking more alcohol, new medication or taking recreational drugs.
Tolerance to sildenafil has been reported,[6] but so has efficacy for up to 4 years without requirement for dose increase.
Viagra doesn't start working immediately after taking it, as the medication needs time to be absorbed into your blood. For most men, it takes around 30 minutes before you start to feel the effects of Viagra. 12 minutes after – One study has shown that some men got an erection just 12 minutes after taking Viagra.
Watch What You Eat. Certain foods may minimize the effectiveness of your ED medication or make it take longer to work. For example, taking Viagra (sildenafil) with a high fat meal such as steak or fried foods may increase the time it needs to begin working.
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<. 01), without a difference in the nadir of oxygen desaturation.