Does Viagra Mg Tablet 4’s cause low blood pressure? Missed a Dose If you have missed taking any dose of Viagra mg tablet, take it as soon as you remember. Symptoms of erectile dysfunction include difficulty in getting an erection, difficulty in maintaining the erection during intercourse and decreased sexual desire. Stop taking Viagra Mg Tablet 4’s and consult your doctor immediately if you experience a sudden decrease or loss of vision. For pulmonary arterial hypertension: Consult your doctor if you are breastfeeding. Dose adjustment may be needed in such patients.Know Health Medicine Info & Substitute Viagra Rs.1, Save 15% MRP*: Rs.1, (* Inclusive of all taxes) Exp. Date: Feb ADD Substitutes for – Viagra mg . Manforce mg tablet; Lovegra – sildenafil mg oral jelly (rose) Super p force (sildenafil citrate/dapoxetine) Lovegra mg tablet; Sildenafil citrate tablets; Sildeanfil, kamagra . Silnafil 25mg Tablet is used in the treatment of Erectile dysfunction. View Silnafil 25mg Tablet (strip of 10 tablets) uses, composition, side-effects, price, substitutes, drug .