Whether or not you can take sildenafil after coronary stenting depends on how well your heart recovers and whether or not there are any side effects between the medications you take. You need to ask your doctor about the specific medication. Sildenafil is mainly used for the treatment of erectile dysfunction and sexual impairment present in men and so on. During use it may cause adverse reactions such as facial edema shock, abdominal pain, angina or tachycardia in the user. Therefore, it is contraindicated in people with resting hypotension, hypertension or those who have suffered from life-threatening arrhythmias, cardiovascular diseases, and is not suitable for pregnant women and children. Patients with coronary artery disease are not recommended to take sildenafil immediately after stent surgery, and should undergo regular cardiovascular examination and cardiac ultrasound. Sildenafil can be taken if the state of the heart is basically normalized and there is no short-term onset of arrhythmia or angina. If cardiovascular symptoms still exist, it should not be taken. Coronary heart disease patients generally long-term nitrate drugs, such as nitroglycerin, isosorbide nitrate, with coronary expansion, improve blood flow, sildenafil can enhance the antihypertensive effect of nitrate. Therefore, patients taking any dosage of nitrate, either regularly or intermittently, should not take sildenafil. Patients with coronary artery disease should judge whether they can take sildenafil under the guidance of a doctor after treatment surgery.