These medications are unsafe for people taking nitrate-based medicines or alpha-blockers because medication communication with PDE5 preventions such as Viagra, Cialis, as well as Levitra can be fatal. Another medication interaction that hinders the body’s absorption of these PDE5 medications is the harmless food item grapefruit juice. 구구정 가격 Commonly reported adverse effects while taking these medications can range from migraine, flushing of the face and also body, acid indigestion, drippy nose, palpitations, queasiness, vomiting, muscle mass discomforts, and vision disruptions. Viagra has additionally been reported to trigger permanently damaged vision or even loss of sight in some individuals.