Back to Health Centre

How Long Does it Take for Viagra to Work?

Viagra should start to show its effects 30 minutes after consumption. However, this can vary from person to person. Sexual stimulation is usually required, in addition to Viagra 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.

How Long Does Viagra Last?

The effects of Viagra can vary from person to person. Ideally, Viagra should be taken 60 minutes before it is required, and can last for around 4 hours. But, generally the effects will start to wear off after 2 to 3 hours.

What factors affect the longevity and dosage of Viagra?

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.

See our full range of erectile dysfunction medications

Need treatment? Get a quick consultation now

Start your consultation now

A consultation only lasts 2 minutes. Get started now and get it delivered tomorrow

Get treatment now

Dr Felix is an online doctor and pharmacy. We’re proud to be trusted by our patients for safe, effective treatments that are delivered quickly and discreetly. Choose your medication below and start your 2 minute consultation.

Prices from:

Get treatment now

Safe and effective medication from Dr Felix