Cialis, also known as tadalafil is used for the treatment of pulmonary arterial hypertension and erectile dysfunction. Cialis tablets usually appear in yellow almond-shaped tablets in doses of 5, 10, and 20 mg.

Cialis is approved by the Australian and South African FDA for the treatment of erectile dysfunction. In 2009, tadalafil was approved by the same institution for the treatment of arterial hypertension. Patients with erectile dysfunction should take this substance as needed. It should not be taken more than once within 24 hours. For the medication to work as designed, a man should be sexually aroused before taking the drug. Note that the drug is not designed to trigger instant erection unless the man is sexually stimulated.

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Penile erection occurs when the penis fills with blood. This occurs because the vessels that take blood to the penis dilate, allowing more blood to flow to the penis. In the same breath, the veins that take blood out of the penis contract, so that blood accumulates in that area. This results in penile stiffness.

In the state of erection, nitric oxide is released to the penis. It is this nitric oxide that leads to the contraction of the veins that takes blood from the penis and dilation of those that take blood out of the penis.

Whether you are using Cialis for pulmonary or erectile issues, it is imperative to know some important facts about it. First, you are advised not to take this drug if you are on another medication that has nitrates. This could lead to a sudden drop in blood pressure, also called hypotension. The same can lead to heart failure or chest pain.

If you have taken Cialis and experience tell-tale symptoms such as numbness or tingling in the jaw or neck, you are advised to call a doctor immediately. Again, if your erection does not go after four hours, you should contact a doctor at once. Endless erection, also called priapism is dangerous and can lead to hazardous consequences, including death.

Cialis can sometimes hinder the flow of blood to the eyes leading to sudden loss of vision. However, this is rare unless the victim had existing symptoms such eye problems, diabetes, or heart failure. As such, you need to liaise with your doctor before you take this drug. Let them assess your situation and tell you if it is okay to take Cialis. People who have pre-existing conditions are especially advised to seek the nod of a doctor if using this substance. These include people with heart rhythm problems, stomach ulcers, patients with hemophilia, kidney disease, anemia/leukemia, or those with a history of congestive heart failure.

Despite the possible side effects of Cialis/tadalafil, it is still a reliable treatment for arterial hypertension and erectile dysfunction. The reason why some people suffer adverse effects is because they disregard the advice of their doctors or the warnings given by the manufacturers. As long as you seek the nod of your doctor and stick to the directions issued by the manufacturers, you have nothing to fear when using this product.