What are the effects of Viagra on your body?

Viagra is a medication indicated to treat erectile dysfunction .

How does it work, how to use it and how to get it?

The essential points

  • In most cases, Viagra begins to take effect about 30 minutes after taking it.
  • Its effects begin to wear off after three to five hours.
  • Efficacy of Viagra: various studies have shown that the proportion of patients reporting an improvement is 84% ​​in the case of psychogenic erectile dysfunction, 77% in the case of mixed erectile dysfunction and 68% in the case of organic erectile dysfunction.

How does Viagra work?

Viagra® facilitates the flow of blood into the penis by inhibiting an enzyme (phosphodiesterase E5, often called PDE5 ).

PDE5 degrades one of the molecules (cGMP) which allows the relaxation of the smooth muscles of the penis and the blood flow necessary for erection. Inhibiting PDE5 therefore facilitates erections.

Viagra® promotes erection when a man is sexually stimulated. Stimulation is still necessary because the drug alone will not cause an erection: Viagra® does not act as an aphrodisiac.

How to use Viagra?

The Viagra® tablet should be swallowed with a glass of water. It is recommended to take it about 1 hour before having sex.

In most men, Viagra® begins to take effect 30 minutes after taking it and peaks within an hour. This is why doctors recommend taking the treatment one hour before having sex.

If the treatment was taken with food, its effects may be delayed for about an hour.

Is Viagra dangerous?

Viagra® poses no health risk as long as:

  • It is taken in the absence of contraindications (such as, for example, a history related to the heart, liver or blood pressure. It is up to the prescribing doctor to be sure)
  • The dosage established by the doctor is respected (frequency of intake, dosage)
  • No bothersome side effects occur when it is first taken.

It is important to keep in mind that, like all medicines, Viagra can cause more or less frequent side effects .

Viagra can for example be dangerous if it is used with nitrates , which are used in particular in the composition of treatments prescribed for angina or poppers.

This is why a medical consultation is essential if one wants to get Viagra , to make sure that this treatment is prescribed safely.

How long does Viagra last?

Generally speaking, most men find that the effects of the blue pill start to wear off two to three hours after the first dose .

However, the duration of action of Viagra® can vary depending on various factors:

  • Age : The effects may last longer in men over 65 because the body’s metabolism slows down with age.
  • Alcohol : alcohol consumption decreases blood flow to the penis. You should not consume more than one glass of alcohol as it would be more difficult to get an erection and it would make it more difficult to maintain it.
  • Diet : taking the drug with a high-fat meal can delay the effects of Viagra® because your body will work hard to digest food.
  • Health : if you have kidney or liver problems, the effects may last longer. This is because the medication will take longer to be eliminated by your body.
  • The dosage : there are several dosages of Viagra® (25, 50 and 100 mg). It is up to your doctor to decide with you the most appropriate dose for your situation. This will depend on your state of health, the treatments you are taking in parallel and your reaction to the treatment.
  • Taking medication : certain medications can modify the duration of the treatment’s effects. Always tell your doctor about your medical history and the treatments you are taking.

How long does Viagra stay in the blood?

The active substance in Viagra®, Sildenafil , is quickly absorbed. The maximum level of concentration observed in the blood is reached within 30 to 120 minutes after oral administration on an empty stomach. Within three to five hours of taking Viagra®, only half of the drug remains in the system.

This however varies from one individual to another depending on different factors. In any case, Viagra® is naturally eliminated by the body in a few hours . Always follow the instructions given by your prescribing doctor and do not exceed the recommended dose.

What are the long-term effects of Viagra?

Viagra does not permanently cure erectile dysfunction . The treatment only takes effect during the time it is taken.

It can therefore be taken temporarily to help pass a course (confidence problem, couple or other temporary cause identified). And there is no particular contraindication to taking the treatment over time , as long as it is adapted to the patient.

Side effects & contraindications

Side effects of Viagra

Headache is the most common side effect of Viagra® and its generics, which are also formulated with Sildenafil.

More than one in 10 patients may complain of headaches after taking the drug.

Other common side effects – may affect up to 1 in 10 people – include:

  • nausea
  • facial flushing
  • hot flashes
  • indigestion
  • visual disturbances: altered vision, colors perceived differently …
  • stuffy nose
  • dizziness

There are other less common side effects , which may affect up to 1 in 100 people:

  • vomiting
  • Rashes
  • eye irritation / ultra visual sensitivity
  • very strong / accelerated heartbeats
  • hypertension, hypotension
  • muscle aches
  • drowsiness
  • decreased sensitivity to touch
  • dizziness, ringing in the ears
  • dry mouth
  • blocked or blocked sinuses, inflammation of the nasal mucosa
  • upper abdominal pain
  • gastroesophageal reflux
  • blood in the urine
  • pain in the arms or legs
  • nosebleed

Finally, the following side effects are considered rare and may affect up to 1 in 1,000 people:

  • fainting
  • stroke
  • heart attack
  • irregular heartbeat
  • temporary decrease in blood supply to parts of the brain
  • feeling of tightness in the throat
  • numb mouth
  • bleeding in the back of the eye
  • swelling of the eye or eyelid, small particles or dots in front of the eyes, vision of halos around the lights, dilation of the pupil of the eye, change in the color of the white of the eye
  • bleeding from the penis, blood in the semen
  • dry nose, swelling inside the nose, feeling irritable
  • sudden decrease or loss of hearing

In addition, as Viagra® and its generics can cause drowsiness and blurred vision, it is strongly advised not to drive or use machines until you know the effects of Sildenafil on your body.

Contact a healthcare professional immediately if:

  • Your erection lasts more than 4 hours (episode of priapism)
  • You have a sudden loss of vision
  • You have chest pain during or after the act (especially do not take nitro derivative to calm it)

The occurrence or intensity of side effects may depend on the dose. If the treatment has been effective despite the side effects, your doctor will generally advise you to try a lower dose or an alternative treatment.

Each patient reacts differently to each medication , such as Tadalafil , Vardenafil and Avanafil which are active ingredients that work like Sildenafil (the active substance in Viagra). It is therefore quite possible that another treatment formulated from one of these molecules is better suited for you. These treatments all belong to the same “family” of drugs, called “ PDE-5 inhibitors ”.

Contraindications and precautions for use

Viagra® should not be taken in combination with nitrates , which are prescribed treatments for angina, or in combination with other oral treatments for erectile dysfunction, or with monoxide. nitrogen like poppers.

In addition, any history related to heart, liver and blood pressure should be given special attention when you share your medical history with your doctor in order to treat erectile dysfunction.

Viagra without prescription

The sale of Viagra® is subject to a medical prescription: a doctor must be consulted before its use. In France, one cannot therefore buy Viagra without prescription in pharmacy.

Medical consultation is necessary because Viagra®, like all medicines, has benefits but also potential side effects as well as contraindications to its use.

On the other hand, the dosage and the treatment must be adapted not only according to your state of health and your history but also to your use, punctual or regular.

Entrusting these elements to a doctor is also making sure to put the odds on his side to find the most suitable treatment and get the best benefit from it.

Viagra Connect

Viagra Connect® is not currently marketed in France . It is a non-prescription version of Viagra sold in the UK. It contains the same active ingredient as Viagra® (sildenafil) and is available in a dosage of 50 mg.

Men of full age living in the UK who experience erectile dysfunction can therefore request Viagra Connect® from their pharmacists. Treatment is delivered following a mandatory interview with the pharmacist to verify that the patient is over 18 years of age, to identify men for whom treatment for erectile dysfunction is not recommended and to determine whether a consultation with a general practitioner is necessary before taking the treatment.

The purpose of this exchange is to detect possible underlying pathologies such as heart disease, hypertension or diabetes. Pharmacists should advise men to consult their general practitioner within six months of the first administration of Viagra® as follow-up and the origin of the erectile dysfunction must be carried out.

Buy Viagra

Viagra online

In some countries, it is forbidden to offer the sale on the internet of medicines that require a compulsory medical prescription , such as Viagra®.

Thus, it is better to be wary of any actor who proposes it, as this can pose a risk for your health.

Indeed, many sites actually offer counterfeit drugs, sold at attractive prices , but which are not the original Viagra® and can “at best” represent a scam, at worst, cause undesirable effects because the composition of the pill is not the one patented and supervised by the health authorities.

Viagra cheap

Viagra® not being reimbursed by Social Security, its price is freely set in pharmacies . These treatments can be expensive, so finding them at the best price can quickly become a major issue. Do not hesitate to ask for the price of Viagra® in your pharmacy before buying it.

If you want to access a treatment like Viagra® cheaper, safe and legal alternatives exist like its generic, Sildenafil . It is just as effective and can be asked to your pharmacist instead, as soon as you have a prescription for Viagra.

Buying Viagra® on the internet because it is cheaper has every reason to make you doubt because as we explain above, the online sale of prescription drugs is prohibited in France. Conversely, as soon as it is sold by a physical pharmacy, the traceability of the drug is ensured, it can only be the original drug.

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