Viagra is a world’s most known and reputable medicine taken orally for regulating erectile dysfunction conditions in men with weak libido. The drug is also known for its being efficient when used in patients with pulmonary arterial hypertension (PAH) alongside with its powerful contraction against male impotence.
Viagra work principle is based on its ability to inhibit and block the agents that prevent the blood flow from being streamed into the area of the patient’s genitals. The substance that Viagra inhibits is known under the name of phosphodiesterase type 5 which is an enzyme responsible for regulation of blood inflow. The effect of the medicine starts taking place 30 to 60 minutes after the intake and remains during 4 ensuing hours.
The medicine needs to be taken only directly before the planned sexual intercourse. Mind, however, that erection will not take place without an adequate sexual irritator factor which in itself is extremely convenient: you can take your Viagra dose any time between 30 minutes and 3 hours before the date.
The list of Viagra contraindications includes various heart conditions, renal or hepatic diseases, retina pigmentosa, personal intolerance of the drug or any of its components and a row of certain other conditions not stated here but listed in the manufacturer’s instruction guide to the drug. There are also certain pharmacological incompatibilities that you should be well informed about before you start taking Viagra. Please either scan for the full list provided with the medicine as the inlay instructions or seek the advice of your medical practitioner, giving him or her a full list of the drugs you are currently taking, including over-the-counter medications and herbal solutions.
Seek your doctor’s attention in case you start developing any of the unusual reactions that include rashes, hives, blurred vision, prolonged or painful erection, palpitations or irregular heartbeat, and some others.
One can get Viagra without prescription online provided that they are well aware of the medicine’s side effects, its mechanisms and the necessary precautions that the patients should heed while using it. Worldwide delivery and discreet package will insure that the customer gets the medicine promptly and conveniently, and what is no less important – the privacy rules will be accurately observed and respected while processing the order and shipping the purchase. Buying Viagra without prescription is a legally approved transaction.