Payment options: Consider how you’d like to pay. If you feel dizzy after taking Viagra lie down until this passes. Sildenafil works by stopping this enzyme from breaking down the cyclic GMP. Tell your doctor if you have ever experienced this. While each PDE5 inhibitor differs slightly, they’re very similar in treating erectile dysfunction. Related Story Can porn cause erectile dysfunction?AdTry Promescent® vitaflux & enhance your libido and climax satisfaction. Promescent® VitaFLUX is designed to support overall circulatory and sexual test1.ru % Longer · Effective And Easy To Use · Free Discreet Shipping · Ready In 10 minutesTypes: Climax Control Spray, Water Based Lubricant, Silicone Based Lubricant. Examples of Viagra’s more commonly reported side effects include: headache. flushing (temporary warmth, redness, or deepening of skin color) stuffy nose. indigestion (upset stomach) mild vision. The recommended dosage of Viagra for erectile dysfunction (ED) is 50 mg, taken as needed about 1 hour before sexual activity. You can take it 30 minutes to 4 hours before sexual activity. And you.