What does q.4h. stand for?

q.4h. stands for "every 4 hours"

How to abbreviate "every 4 hours"?

"every 4 hours" can be abbreviated as q.4h.

What is the meaning of q.4h. abbreviation?

The meaning of q.4h. abbreviation is "every 4 hours"

What does q.4h. mean?

q.4h. as abbreviation means "every 4 hours"