Cialis Professional

Cialis is available in the market on prescription and is also available in online pharmacy without prescription. It is marketed by Eli Lilly and Company in the United States.

Cialis is one of the phospho di esterase 5 inhibitors (PDE5). The mechanism of action is by increasing the blood flow to the penis thereby helping in the treatment of erectile dysfunction.

The contraindications for Cialis are people with uncontrolled hypertension, patients with ischemic heart disease who are on nitrates like nitroglycerine, isosorbide mononitrate and isosorbide dinitrate because it causes vasodilatation leading on to hypotension of dangerous level, patients with prostratic hypertrophy on alpha blockers terazocin and prazocin.

Cialis is to be avoided if the patient has taken alcohol, or on other PDE5 inhibitors like sildenafil, verdanafil etc.

The side effects of Cialis are nausea, vomiting, diarrhea, dizziness and stomach pain. Serious side effects are irregular heartbeat, chest pain, heart attack, stroke, allergic reactions like fever, and shortness of breath and loss of vision. It also causes loss of vision in one eye called NAION. It is non arteritic ischemic optic neuropathy which is caused by the decreased blood flow to the optic nerve. In such conditions the drug should be stopped immediately and the patient should seek medical assistance.

Cialis should be taken 20-30 minutes just before sexual activity and the action of the drug starts within 1 hour. The action of the drug lasts for at least 36 to 48 hours. The drug Cialis is available online with many discounts and offers. The drug should be kept out of reach of children.