Among other medications, she is taking Tab. Gemcal (Calcium Carbonate 500
mg+ Zinc Sulfate Monohydrate 7.5
mg+ Calcitrol 0.25 mcg) one
tablet every 4 hours, i.e 6 tablets in 24 hours. To avoid Gemcal interferring with Tab. Thyronorm, we were advised to give a gap of 2 hours before and 4 hours after taking Thyronorm. So we end up with having 18 hours to take 6 Gemcal tablets. My question is : 1-Could there be a problem if there is a 3 hour gap between a single Gemcal tablet i.