Cialis should be taken according to the way it was prescribed to you. It is strongly recommended not to take it in larger doses or for longer period than it described in instruction label. It is better to take Cialis with a glass of water. Cialis can be taken during the meal or without food. Cialis is used to be taken when there is a necessity, right before the intercourse. This medicine helps penis to become erected when you experience sexual stimulation. An erection will not occur just by taking a pill, you are to be involved in sexual activity for expected result to be visible. Do not take Cialis more than once a day. 24 hours are to pass between the taken doses. This drug should be kept at room temperature, at the distance from moisture and heat.

It is strongly recommended to reduce or even better to avoid alcohol drinking when taking Cialis in order not to provoke the side effects of Cialis appearing. It is clinically proved that Grapefruit and grapefruit juice may interact with Cialis. Contact your doctor before taking Cialis if you are about to change your diet and increase the quantity of grapefruit containing products. Moreover, you are to avoid combining taking Cialis and other medicines to treat erectile dysfunction, such as alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin) at the same time.