Erectile dysfunction is the medical term for male impotency and represents the man's inability to develop and maintain a penile erection sufficiently enough to perform a normal sexual act. All around the world millions of men suffer from this condition every day but thanks to today's medicine they don't need to sit in silence anymore. Cialis can help them fulfill all their sexual desires as this drug assists their body in the development of an erection. Basically the process occurs as follows: normally, when sexual stimulation takes place nitric oxide is produced and released in the penis. This causes an enzyme called guanylate cyclase to create cyclic guanosine monophosphate (cGMP) which is the primal responsible for the development of an erection as it increases or decreases the size of the blood vessel that caries the blood to the penis. cGMP can be destroyed by another enzyme phosphodiesterase-5 which can determine the blood vessel to return to its normal size ending the erection. It is here where Cialis intervenes as it manages to prevent the destruction of cGMP and thus keeps it longer around resulting in a prolonged blood flow in the penis that holds an erection.
Cialis's recommended starting dose is 10 milligrams per day and it has to be taken half hour before any sexual activity. Men that are under prescription for medicine who increase the blood level are advice not to take more than 10 milligrams of Cialis in 72 hours. All these information can be obtained by consulting a doctor as only reading the medicine’s prescription is not enough.