How long does Viagra (sildenafil) last?

Viagra can begin working in as little as 30 minutes, but its effects can last much longer.

The effects of Viagra can vary from person to person and can be affected by several factors such as your age, health, and diet. Although its effects typically last around 4 hours, Viagra hits its peak after 1 to 2 hours. This is why it is recommended that you take Viagra 60 minutes before it is needed. 

 

How Long Does it Take Viagra (sildenafil) to Work?

Viagra should start to show its effects 30 minutes after consumption. However, this can vary from person to person. In addition to Viagra, sexual stimulation is usually required to achieve an erection. When you first start taking Viagra, you may not experience the desired results.  However, if you continue taking Viagra once every day, for a few days, you may find that your results improve.

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What is the recommended dosage of Viagra (sildenafil)?

The standard recommendation is that Viagra should be consumed an hour before commencing any sexual activity, at a concentration of 50mg. However, the tablet can be taken as early as four hours and as late as 30 minutes before sexual interaction. The maximum dosage of the tablet is once per day, and based on individual tolerance and effectiveness, it may be at a concentration as little as 25mg or as high as 100mg. It is recommended you start off with 50mg dosages. If you find this dose ineffective, you could then try the 100mg dosage. If a 50mg dosage causes unwanted side effects, or is too strong, you may choose the lower dosage of 25mg. If after adjusting the dosage of Viagra you still do not get the desired effects, you could consider changing to a different type of erectile dysfunction medication, such as Levitra, Cialis or Spedra. 


What factors affect the longevity and dosage of Viagra (sildenafil)?

The medication dosage and effects of Viagra can vary from person to person. Some factors which may influence the effects of Viagra are as follows:

  • Drug Interactions: Viagra can interact with different medications, which can affect its efficiency or cause unwanted side effects.

  • Health: Viagra is not recommended for older men suffering from liver or kidney problems. Since, the liver is not in the best condition, it may take longer for Viagra to be broken down by the liver. On the other hand, kidney problems, may result in the medication being removed from the body faster than desired.

  • Alcohol: Consumption of more than 2-3 units of alcohol can alter the effects of Viagra. Alcohol impairs the nervous system and therefore can make it harder to obtain an erection. High alcohol levels, also interfere with absorption of medication, and it can expel the medication more quickly from the body, as it tries to bring the alcohol levels down to normal. It is also worth noting that Viagra and alcohol can both lower your blood pressure, therefore you may also experience side effects such as dizziness and fainting.

  • Diet: Taking Viagra during a heavy meal, high in proteins and fats, can delay the effects of Viagra. The body will prioritise digesting the food, before the Viagra. Therefore, taking Viagra on an empty stomach can cause faster results.

  • Age: In men over 65 years old, the effects of Viagra are likely to last longer than in younger men. This is due to the slowing of metabolism when we age. In older men, the medication will stay in the bloodstream for longer, causing prolonged effects.

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