Dose adjustment may be needed in such patients. Pulmonary arterial hypertension PAH : High blood pressure affects the arteries in the lungs and heart, leading to pulmonary arterial hypertension. Dosage of Viagra MG Overdose Symptoms of an overdose are headache, dizziness, indigestion, flushing, stuffy nose. If you are not sure what these medicines are, please confirm with your doctor. Viagra Mg Tablet 4’s works by relaxing the blood vessels in the penis, thereby allowing the blood to flow into the penis when the person is sexually excited.2 / 3 Membership starting from ₹ for 3 months INTRODUCTION VIAGRA 50MG TABLET contains Sildenafil which belongs to the group of medicines called PhosphodiesSterase type 5 (PDE 5) inhibitors. It helps in relaxing the blood vessels and allows more blood flow to the penis. 2 / 3 Membership starting from ₹ for 3 months INTRODUCTION VIAGRA MG TABLET contains Sildenafil which belongs to the group of medicines called PhosphodiesSterase type 5 (PDE 5) inhibitors. It helps in relaxing the blood vessels and allows more blood flow to the penis. Last updated | AM (UTC) We provide you with authentic, trustworthy and revelant information Want to know more Available Medicine for Sildenafil Penegra Zydus Cadila ₹ to ₹ 4 variant (s) Viagra Mylan Pharmaceuticals Pvt Ltd – A Viatris Company ₹ to ₹ 4 variant (s) Caverta Sun Pharmaceutical Industries Ltd.