Payment options: Consider how you’d like to pay. Children—Use is not recommended. Do not use more of it and do not use it more often than your doctor ordered. Common side effects include headache, facial flushing, indigestion, and dizziness. Slowly pull back the plunger until the required dose.In the treatment of PAH, sildenafil is available in tablets 20 mg, oral suspension 10 mg/mL, and injectable 10 mg/ mL forms. The recommended dosage for tablet and oral suspension formularies is 5 mg or 20 mg three times daily, 4 to 6 hours apart. Injections are dosed at mg or 10 mg three times a day, 4 to 6 hours apart, as . the pharmacy you use whether Viagra has a savings program (see the “Financial and insurance assistance” section below) To find out what the average cost of Viagra tablets will be for you, talk. Sildenafil Citrate Tablet Mg Viabest mg. ₹ / Strip Get Latest Price. Brand: VIABEST MG. Composition: Sildenafil Citrate Tablets mg. Form: Tablet. Pack Size: 10 Tablet. Packaging Type: Box. Country of Origin: Made in India.