What is the maximum strength of Viagra?

How the drug works, its doses and the need to minimise side effects

Viagra is one of the most popular drugs for the treatment of erectile dysfunction (ED).  It works by relaxing your blood vessels and increasing the blood flow to your penis in order to maintain erections during sexual stimulation.  When taken properly, Viagra act by allowing dilation to not only occur, but also last for a long period of time.  This can result in improved sexual performance and for many men, greater sexual enjoyment.

 

However, Viagra comes with serious risks, side effects, ranging from the most common to serious side effects that are rarely reported; and problems concerning interactions with other drugs.  It’s therefore important to know the right Viagra strength for your needs, in order to minimise those side effects.

 

Viagra is available in 3 doses of 25 milligram (mg), 50mg and 100mg to take by mouth.  They all get to work in 30-60 minutes and last for about 5 hours. The lower 25mg dose is better for avoiding side effects and the higher 100mg dose could help you if don’t see the effects you want on 50mg.  All doses of Viagra are taken an hour before sex and should only be taken once a day. What this ‘dosage’ of Viagra actually means is how much of the active ingredient, sildenafil citrate is in each tablet.

 

According to the Prescribing Information of the Food and Drug Administration (FDA), 100mg is the maximum dose of Viagra that most people can safely take in a single day, if prescribed by their physician.  That said, Viagra comes in different doses because the goal of ED medication is to find the least amount of medication that still gets positive result in “a satisfactory erection”. The goal is not to find the highest dose of Viagra you can handle, but to find a dose that is safe and effective, while minimizing side effects. 

 

For most people, the recommended dose is 50mg.  Based on effectiveness and toleration, the dose may be increased to a maximum recommended dose of 100mg or decreased to 25mg, depending on individual needs.  The FDA recommends a lower starting dose for people with certain health conditions, such as kidney or liver disease, and for people on certain medications, such as antiretroviral (ARV) drugs used to treat HIV/AIDS.

 

Your doctor (or pharmacist if in the UK) may recommend the lowest dose of Viagra (25 mg) or maximum dose (100 mg) depending on a variety of health and lifestyle factors, such as:

  • Age
  • Cardiovascular health (relating to the circulatory system, which comprises the heart and blood vessels)
  • Pre-existing conditions
  • How often you use the medication

You should always follow your healthcare practitioner’s dosing instructions, and never take more than one dose of Viagra per day or exceed 100 mg of Viagra in 24 hours.

 

References

  1. VIAGRA, Finding the right dose [website] 2018, https://www.viagra.com/taking/finding-the-right-dose, [accessed September 28, 2019).
  2. VIAGRA, Wondering about possible side effects? [website] 2018, https://www.viagra.com/learning/what-are-possible-side-effects, [accessed September 27, 2019).
  3. WebMD, Viagra, [website] 2019, https://www.webmd.com/drugs/2/drug-7417/viagra-oral/details, [accessed September 27, 2019).
  4. MEDICALNEWSTODAY, Uses and risks of Viagra, [website] 2018, https://www.medicalnewstoday.com/articles/232912.php, (accessed September 25, 2019).
  5. EVERYDAY HEALTH, Viagra Dose, [website] 2017, https://www.everydayhealth.com/drugs/viagra, (accessed October 2, 2019).
  6. Superdrug, Viagra Dosage,[website] https://onlinedoctor.superdrug.com/viagra-dosage.html, (accessed October 2, 2019).

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