q.1h, q.1� means quaque 1 hora - every 1 hour; can replace "1" with other numbers in Prescription
Similar to q.1h, q.1�
a.u. - auris utraque - both ears aa - ana - of each ad - ad - up to ad lib. - ad libitum - use as much as one desires; freely admov. - admove - apply agit - agita - stir/shake alt. h. - alternis horis - every other hour