bid Correct Answer-twice daily prn Correct Answer-as needed qd Correct Answer-daily q4h/q4° Correct Answer-every 4 hours qid Correct Answer-four times daily qod Correct Answer-every other day tid Correct Answer-three times daily ac Correct Answer-before meals hs Correct Answer-at bedtime pc Correct Answer-after meals cap Correct Answer-capsule tab Correct Answer-tablet gtt Correct Answer-drop i Correct Answer-1 ii Correct Answer-2 iii Correct Answer-3 iv Correct Answer-4 v Correct Answer-5 mg Correct Answer-miligrams mL Correct Answer-milliliters tbsp Correct Answer-tablespoon (15mL) tsp Correct Answer-teaspoon (5 mL) ss Correct Answer-one-half mcg/ug Correct Answer-microgram au Correct Answer-both ears as Correct Answer-left ear ad Correct Answer-right ear ou Correct Answer-both eyes od Correct Answer-right eye os Correct Answer-left eye po Correct Answer-by mouth c Correct Answer-with sl Correct Answer-sublingual top Correct Answer-topically