What is Viagra?

Viagra tablets were discovered over 30 years ago, by the Pfizer pharmaceutical company, in attempt to treat heart-related chest pains. It was through clinical trials that this medication was shown to be better suited to inducing penile erections rather than at easing chest pains related to a heart condition or disease.

Moreover, this medicine was originally intended for the treatment of pulmonary hypertension. However, the pharmaceutical market for the treatment male sexual dysfunctions did not have a medication that was approved for the management of erectile dysfunction symptoms.

Pfizer saw this opportunity and created the first oral medication for the treatment of impotence. Since then, this therapeutic has been responsible for helping millions of men with sexual disorders, around the world.

Erectile dysfunction is increasingly prevalent with age, according to research. Yet, statistics have revealed that this sexual dysfunction is affecting younger men as well, including those in their 20’s. This multi-dimensional, but common, disorder is thought to affect 3% to 76.5% of men, globally (Kessler et. al., 2019).

Viagra is an effective treatment of sexual impotence but these tablets are not a cure for the condition. They rather assist in the management of the disorder so as to improve the sexual health, as well as increase the quality of life of the patient.

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What is the Active Ingredient in Viagra?

  • The active ingredient in Viagra is sildenafil. Sildenafil acts as a PDE-5 inhibitor. PDE-5 is an enzyme that breaks down the substances cGMP, which is responsible for the degradation of CMP within smooth muscle cells in blood vessels. By blocking the degradative action of cGMP, a PDE5 inhibitor can function to facilitate an erection through improved blood flow to the penis.
  • In addition to being an efficacious erectile dysfunction treatment, Viagra tablets can also be used for its initial intended medical use. These pills can be useful for treating pulmonary arterial hypertension, which is a progressive condition characterised by high blood pressure in the arteries in the lungs. When used for hypertension, this medication works to improve the blood flow in the blood vessels of the pulmonary arteries.
  • Furthermore, PDE-5 inhibitors can be used as a second-line treatment for serious cases of Raynaud phenomenon, which is a condition that causes a discoloration of the fingers and toes because of an abnormality of the blood vessels).
  • This medication has also been used by women who have sexual dysfunctions relating to arousal, however, it is unclear if these pills are effective for said purpose.

What is the Best Viagra Dosage?

The standard advised dosage of Viagra is 50mg, but your medical practitioner may prescribe anywhere from 25mg (for older men) to 100mg of these tablets. It is essential that you adhere to your dosing schedule as this medication can adversely affect other parts of the body when used in excess.

These sexual dysfunction tablets can be taken with or without food. It has been suggested thought that using these pills on an empty stomach may aid in its functioning. You should therefore take these tablets before you eat to maximise the effects of Viagra.

A sildenafil dose can only be functional with sexual stimulation. You should therefore take these pills at least an hour prior to when you intend on engaging in sexual activity and thereby allow yourself adequate time for the medication to work.

How Long Does a Dosage of Viagra Last?

  • Soon after administering this therapeutic, the active component in the medicine is absorbed into the bloodstream and works to effect the relaxation of the muscles and arteries in the penis, thus improving blood flow to the male sexual organ. The effects of Viagra can last for four to eight hours, which allows you some time to achieve an erection for sexual intercourse.
  • This duration of therapeutic action is different for each person. It may be longer in some cases and shorter in others as the durations of benefits are dependent on certain individual factors. These factors can include your age, body size, type of metabolism and even the administered dose of tablets as well.
  • For senior patients, the effects of this medication may be prolonged as the elimination of the therapeutic ingredients from the body is affected. Older people have certain physiological differences that make them prone to increased drug elimination, and it is for this reason that the elderly ought to use reduced amounts of these tablets (Hatzimouratidis, 2006).
  • Just because the duration of action of Viagra tablets is relatively long, it does not mean that the duration of the induced erection can last for such time. In fact, if you experience an erection for longer than four hours, you should seek medical attention as it may inflict damage to the penis. This is for cases where the erection is painful or not.

Viagra Side Effects

One potential adverse effect of this medication is a prolonged erection, as previously mentioned. This adverse event should be regarded as urgent and as a medical emergency. In addition, other possible side effects include:

  • Facial flushing
  • Nose bleeds
  • Headaches
  • Vision impairments
  • Heartburn

It is not known how long this medication can be safely used but it has been reported that the severity of these adverse effects is mild in nature. However, those with hypotension (low blood pressure) should be extremely cautious when using these tablets as these pills are known to reduce blood pressure. Using these tablets in situations where one already has low blood pressure levels can result in serious health complications.

Similarly, medications that reduce blood pressure, such as nitrates, ought not to be used with these sexual dysfunction pills. The enhanced therapeutic action of these hypertension medicines, when used concomitantly, can lead to fatal health issues.

The above list is not exhaustive and does not include all the potential side effects of the medication. You can find more information on the adverse events related to these pills through descriptive online pharmacies. These online platforms can also be used as a secure means of buying the sexual dysfunction pills.