I take Viagra 25 mg and sometimes 50 mg. Is it ok for me to take 25 mg for first 3 hrs and then again 25 mg for longer results As I want to last for 7-8 hrs. If I take 25 or 50 mg the effects wld be for only 3-4 hrs. So please advice if 25 mg can be taken one after another after a gap of 3-4 hrs.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.