Hello dear Understand your concern Your cause of erectile dysfunction is stress plus hypertension and the drugs used for hypertension, You have to consult the your doctor and select the hypertensive drug that cause erectile dysfunction. Stop alcohol and smoking. For stress you should talk to your partner that help you to reduce stress. You can also consult the psychiatric that give to cognitive behavioral therapy. Siledenafil plus paroxentine should be taken 30 minutes before sex . But should be taken after proper evaluation by doctor. Spend more time in fore play, stimulate your partner by manually by fingering the clitoris and by pressing nipples, Try women on top position, start regular exccercise like walking, stretching and yoga, take frsh fruits and diet rich in anti oxidant, tablet Co Q. Hope this may help you Best regards Dr. Sagar