by Guest » Thu Aug 17, 2006 2:36 am
Most liquid medicines are not 100% active ingredient, they are a solution of the active ingredient in water or some other solvent. There should be a statement of strength on the bottle somewhere, which will state how many mg of active ingredient are in 1 mL or 1 cc of the solution. Without that statement, there is no way to proceed.
Depending on the solution, it will weigh somewhere close to 1 g/mL, BUT that is solution, not active ingredient. As a milligram = 0.001 g, milligram doses would be impractical to measure unless diluted in a larger volume.