How does Vardenafil work does it have side effects like tadalafil. Which has less side effect I'm 21.

Dr. Rahul GuptaSexologist11yrs exp

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Hello- Vardenafil belongs to the class of medications called phosphodiesterase type 5 inhibitors. It is used to treat erectile dysfunction (male impotence). It does this by allowing a greater blood flow into the penis when a man taking the medication is sexually aroused. Side effects includes- sudden vision loss; ringing in your ears, or sudden hearing loss; chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling; irregular heartbeat; swelling in your hands, ankles, or feet; shortness of breath; vision changes; feeling light-headed, fainting; 

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