[chromatin]

μM is a measure of concentration, while μg is a measure of mass. If you meant "μg/L" (or some other measure of volume), it is conventional to use molarity when discussing drugs in basic as well as clinical (PK, PD) contexts.

[giardini]

How do these dosages compare to the usual human therapeutic dosages of doxycycline, azithromax and vitamin C?