The website says "unopened" donations are accepted - what is this limited to? Does that mean if I have 12 malaria pills in an open container (for a 10 day regimen) I can't donate the leftover 2?
Be careful as some medications are very moisture-sensitive, light-sensitive or oxygen-sensitive.
For example: http://www.fda.gov/Drugs/DrugSafety/ucm248746.htm