Often, men diagnosed with erectile dysfunction have a dilemma: sildenafil vs cialis . They don’t know what drug to choose. Indeed, both medicines are safe and effective, but still have their differences. Consult your doctor to select a medication by elimination. If you can take both, look into the main features. The advantage of Cialis is that it gives a long effect and therefore you will get more spontaneous sex. But the short period of action of sildenafil is safer, as it less often leads to drug interactions, compared to tadalafil