Teva 5342 pill is a white-colored, oval-shaped pill supplied by Teva Pharmaceuticals USA, and has the imprint of Teva 5342. Teva 5342 pill contains Sildenafil Citrate 100 mg as an active ingredient which is mainly used in the treatment of Erectile dysfunction and pulmonary arterial hypertension. It is known to relax the muscles of the blood vessels, leading to increased blood flow in particular areas of the body. Teva sildenafil only works properly if you take it about an hour before you have sex. You need to be sexually aroused to get erect and for the medication to sustain the erection. Teva sildenafil takes effect about 30 to 60 minutes after you’ve taken it.