Hi Dear doctor, I had MVR operation 9 years back (at 21yrs age), now I m taking the medicines Acitrom, Penidure 12L, Valparin Chrono SR. As there was shortage of Penidure in the market didn t take Penidure injection as per the regular period in the last month. Due to that I got some infection and got cold, cough now. Eventhough I had Penidure 1 week back, cough or cold is not decreased now. Can you please assist me on this to go for any medicine. Thanks in advance for your response on this.