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If you want to develop a satisfying sexual life, timing is a pretty important thing. You need to follow instructions wholeheartedly. Sildenafil has a precise window of effectiveness. People are also wondering about optimum frequencies of its intake. So how often can you take sildenafil?

Optimal Frequency of Taking Sildenafil

There is the only indicating in the official instructions re frequentness of sildenafil intake: one pill per day (desirably per a 24-hour period). It should not be consumed more than once per day. The pill should be taken 30-60 min prior to sex. However, you can take it up to 4 hours before sex, as it lasts up to 6 hours. Just keep in mind that maximum concentration of the active substance in the blood (and hence the best efficaciousness) is effectuated within a median time of 1 hour (0.5—2 h range) after dosing, as reported in pharmacokinetic studies, for instance, the one by I. Eardley et al. (British Journal of Clinical Pharmacology, 2002).

sildenafil 24 hours

There are no official limits which concern intake of sildenafil per day. However, only a relatively small percentage of patients take this medication every day. It is intended for on-demand intake, i.e. one takes it in expectation of anticipated sexual intercourse. This PDE5 inhibitor acts symptomatically, it doesn’t have stacked effect and doesn’t cure erectile dysfunction. It is just a temporary treatment. You won’t get a delayed effect if you take it ‘in advance’. However, initial dosage doesn’t work properly in some males, and the desired action is achieved only after the second or third intake.

If you need to use ED drug on a daily basis, perhaps sildenafil (Viagra) is not your choice, pay attention to Cialis. Some of the pharmacokinetic properties of Viagra (half-life, relationship with food and alcohol intake) lead to the need for planned sexual intercourse, a decrease in the spontaneity of sexual activity, limits in time and frequency of sexual attempts. Cialis (tadalafil) is devoid of these disadvantages. This low dosage tablet can be safely used on a daily basis.

sildenafil proper dosage

How Do I Choose a Correct Dosage?

Despite the effectiveness of PDE-5 inhibitors, many patients want to reduce the dosage of drugs that improve erection. The prescribing physician should also be able to titrate the dose based on its effectiveness. Sildenafil is the drug which feature the hugest experience in clinical practice. The effectiveness of sildenafil has been proven in various categories of patients. The usual starting dosage is 50 mg. If this dosage does not work well, your doctor may switch you to 100 mg. 25 mg is intended for non-serious cases of impotence and some categories of patients (for example, those who suffer from serious kidney disease).

A full guide: Viagra Dosage: Which One Should You Use?

sildenafil safety

Safety Precautions

Sildenafil is a safe substance, there are studies in which it was administered to more than 9 thousand patients. But actually the number of participants of different studies is much higher, because hundreds of specific investigations have been made (regarding efficacy, incidence of adverse events, score of successfulness, contraindications, interactions, etcetera).

The medication can cause adverse events, the most frequent of which include headaches, recurrent migraines, face flushing, nasal congestion, dyspeptic disorders, and altered vision.

Dizziness is possible (though infrequent effect) so it is better to refrain from operating machinery immediately after taking sildenafil-containing pill.

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I’m an Oncologist and Hematology Specialist primary located in Bryn Mawr, Pennsylvania. I have over 55 years of experience in the medical field and more than 20 years of practice. I’m skilled at the treatment & diagnosis of a large array of ailments & diseases in adults.

Board certifications

  • American Board of Internal Medicine Certification in Internal Medicine
  • American Board of Hematology Certification in Hematology
  • American Board of Medical Oncology Certification in Medical Oncology