Having the problem of irregular periods so I am taking krimson 35 as prescribed by the doctor. I want to know that for how many days in a month I have to take the pills as it contains 21 pills in one strip and when to start it again after periods. Please reply.

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.