Meta Description
Viagra is a sildenafil citrate derivative clinically formulated to help regain erectile function in Erectile Dysfunction patients. Viagra works in increasing the blood supply to the penile muscles to help in the erectile process. Sildenafil is available in tablet form and is a prescription medication.
Erectile Dysfunction and Viagra
Erectile Dysfunction, as per the AUA, is the inability to attain or maintain penile erection for satisfactory sexual performance. It is important to understand that sexual function is a combination of anatomical, physiological and psychological factors that, when impacted, impair the Nitric Oxide molecules responsible for stimulating the GMP and muscle contraction process.
Viagra or Sildenafil belongs to a class of PDE-5 inhibitors that work in regulating the cGMP signalling pathways for facilitating the erectile process.
Mechanism of action
Sildenafil, the chief ingredient of Viagra, works on erectile tissues by inhibiting the phosphodiesterase enzyme. PDE-5 inhibition blocks the cGMP molecules and prolongation the activation to restore the nitric oxide cycles and prolongate smooth muscle relaxation for improved erectile function
Animal studies have proved the efficacy of Sildenafil for erectile dysfunction in renal complications.
Dosage
Viagra can be obtained in strengths of 25 mg, 50 mg and 100 mg, out of which 50 mg is the most commonly used strength.Â
The dosage of Viagra depends on factors like
Age – older individuals are started with a lower dose.
Tolerance to its ingredients – you are started with the lowest dose that is increased judging your body’s tolerance.
Other systemic complications – impact the dosage strength.
Treatment plan of the physician
Time taken to work
Viagra has an onset time of 30 minutes and can work up to four to six hours after intake. It is recommended to take the medicine with a glass of water and avoid alcohol or rich foods as they can impact its working mechanisms.
Missed dose
Viagra is primarily used in cases of erectile dysfunction and taken prior to sexual activity. The ideal thing to do on missing a Viagra dose would be to leave out the missed dose and take the next dose before the next period of sexual activity.
Do not take more than one dose at a time, or it can give rise to serious side effects.
Side effects
While Viagra has been clinically verified as a safe medication, some of the NHS-recorded side effects are in the form of
- Headaches that can be relieved through OTC pain relief measures.
- Nausea.
- Flushing.
While the moderate side effects are reversible, it would be best to discontinue the medication if they persist and consult your physician
Contraindications and Drug Interactions
Viagra use is contraindicated in the following conditions
- Â In individuals allergic to the medicine or its ingredients
- In patients with heart conditions who have recently undergone surgery
- Those with a history of ischaemic optic neuropathy or inherited retinal disorders
The medications can interact with alcohol and drugs like nitrates used for lowering blood pressure.
Where to buy Viagra
Viagra is a controlled medicine that can be obtained via a prescription from pharmacies or GP offices with a retail outlet dispensing medications. Most importantly, you can obtain generic Sildenafil online.Â
Online ordering helps you get the medication delivery at your doorstep in a quick and safe manner. Even then, it would be best to order the medication from a verified website providing authentic Sildenafil versions.
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