Smith1; Mary Babos2. Place the tip of the syringe into you or your child’s mouth and point it towards the cheek. Some barriers to successful sildenafil therapy in the treatment of erectile dysfunction include cost and social stigma surrounding erectile dysfunction. You are encouraged to report adverse events related to Viatris products by calling U. Stop taking VIAGRA and call your healthcare provider right away if you have any sudden vision loss sudden hearing decrease or hearing loss. Benjamin P. Use protective measures and ask your doctor if you have any questions about this.Sexual Dysfunction, SSRI Induced. Compare sildenafil prices, print discount coupons, find manufacturer promotions, copay cards and patient assistance programs. Viagra comes in , , and milligram doses. Men are typically advised to start with the lowest dose, increasing it only if it doesn’t work. Sildenafil is used to treat erectile dysfunction (ED) and to reduce blood pressure in pulmonary arterial hypertension (PAH). It is taken when needed for ED and daily for PAH. A headache, stomach upsets, and flushing are the main side effects, and it should not be taken within 24 hours of a nitrate. 5. Tips.