Common Headache, Flushing of face, Diarrhoea, Indigestion, Pain in extremity.

Expert advice for PAH Tablet
Your doctor has prescribed this medicine to reduce the high blood pressure in your lungs (pulmonary hypertension). Pah helps you exercise better and slows down the worsening changes in your physical condition. It causes dizziness. If this happens to you, do not drive or use machinery. Do not use other medicines (nitrates or nitroglycerin) when taking Pah as it could drop your blood pressure to a dangerous level. Do not take Pah with other medicines of this class which may be indicated for treating other conditions such as erectile dysfunction (impotence).