Sildenafil (Viagra) is a reliable therapy of impotence, or erectile dysfunction. It is made use of as required before making love to make it feasible for the patient to get a steady construction. You will should comply with all the recommendations of your doctor and never use additional of Sildenafil that required. An overdose of Sildenafil could show the adhering to signs: queasiness, light-headedness, irregular pulsation, chest discomfort, and fainting. If you believe you may have taken as well a lot of this medication, find emergency situation clinical help. Your doctor is supposed to be notified if you are using other medications besides Sildenafil - such as rifabutin, nevirapine, cimetidine, rifampin, seizure medications, various other impotence medications, bosentan, 'beta' blockers, erythromycin, specific antifungals, amlodipine, anticoagulants, HIV protease preventions, efavirenz, alpha blockers, barbiturates, and medications for higher blood tension, as your dosage may require to be reduced to exclude the possibility of interactions. Sildenafil is generally well tolerated and a few side results can develop - such as back pain, heat or soreness in your face or upper body, headache, memory issues, stuffy nose, and upset tummy.