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Sildenafil (Viagra)
Sildenafil (Viagra) is a selective phosphodiesterase V inhibitor. It impedes the dissimilation cyclic GMP in the muscle cells of the corpus cavernosum. Through this it comes to the vessel dilatation and to the increased blood flow in the penis and through this to an erection. The mode of action has already been described under the Taldalafil topic. This medicine is from the same substance group with the same working principle.
Sildenafil (Viagra) is 25, 50 and 100 mg available in the concentrations. Viagra has the greatest effect on arterially conditional erection disturbances described already how too. Viagra is hardly effective at illnesses which can be explained by a fibrous reorganization of the corpus cavernosums (stage usually progressed only in this). However, an effect has nevertheless to be expected at a slow fibrosis. Of course this statement applies to all phosphodiesterase V inhibitors. Other therapy approaches must be thought about here.
The working duration of Viagra (Sildenafil) is shorter in comparison with Tadalafil and must be paid attention to several things at the intake. It shouldn't be taken shortly after the eating or after taking of alcohol since the effect through this reduces itself considerably.
Side effects: As a side effect you also indicate as in the case of Cialis headaches. At patient interviews this side effect was relatively frequently indicated at Viagra. In addition, it can come to a blood pressure drop (hypotension) also in the case of Viagra. The side effects the active substance disappear but after this fade away. Erection (priapism), reduction of the speed of reaction, prolonged dizziness feelings red skin, dyspepsia, blocked nose, back and muscle pains also are part of the side effects.
Contraindications: Nitrates, unchecked Arrythmien, hypotension (low blood pressure), myocardial infarction within the last 90 days, Apoplex (stroke) within the last 6 months, blood pressure lowering an unstable angina pectoris, heavy cardiac insufficiency.
At patients with heart conditions or an Apoplex the taking of Viagra is warned against since it can come to deadly incidents. The danger insists one should inform every treating physician (emergency doctor, emergency service physician, specialist etc.) about the intake of Cialis particularly at a simultaneous intake of nitrates of all articles, in principle. This can be live-saving under circumstances.
These informations may be considered a substitute for a piece of medical advice in no case. The content of health-illness.com doesn't can and may be put into any case to make diagnoses or carry out self medical treatment independently.
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