You can track multiple doses of the same medicine by entering
the information for both doses in the dosage field of the medicine.
For example, let's say you have a medicine due twice a day, but
the AM dose is 200ml and the PM dose is 400ml. When setting up the
medicine, you can enter the dosage as, "AM:200ml PM:400ml."
This is also a good way to track different doses for family
members taking the same medication in different dosage.