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Cialis, along with the other commonly used ED tablets are usually effective and well tolerated medication. However, men taking some prescription medicines, most notably drugs called nitrates used to treat heart disease, but also some other prescription medicines, should not take Cialis. Men who have some medical conditions, particularly those affecting exercise tolerance should also not take Cialis. Always consult your regular doctor before starting erectile dysfunction medication. Online doctors carry out checks through online questionnaires, but this does not replace initial face-to-face assessments and regular medical check-ups are necessary. In 1994, Pfizer scientists discovered that sildenafil, which also inhibits the PDE5 enzyme, caused penile erection in males participating in a clinical study of a heart medicine.

Others were reported to have occurred hours to days after the use of Cialis and sexual activity. If you experience chest pain or a prolonged erection for more than four hours, you must seek urgent medical help. Both Viagra and Cialis are prescription drugs so you must consult with a doctor before you can take them. The dosage of a medicine relates to how much active ingredient it contains. However, the right dosage for you will depend on your own needs and whether you have any health conditions. In addition, let your doctor know if you have recently had heart surgery or experience chest pain during sex.

Male enhancement drugs and those that simply correct the lack of steady blood flow to the male organs during sexual stimulation are used by males both young and old. Although it is infrequent, it is possible to become addicted to erectile dysfunction medications like Viagra or Cialis. Long-term use and overuse of these drugs can result in severe health effects. Cialis is a brand of medication which contains the active ingredient Tadalafil, which is a treatment for erectile dysfunction. It is available in two variations, Cialis 36 Hour and Cialis Daily, and in four strengths