a 5 yo 38lb child with a mild infection is to reive oral amoxicillin 40mg/kg/day in divided doses every 8 hours. the amoxicillin is available in 150 mL bottles containing 250mg/5mL. How many mL will you administer per dose?

Order: Xanax 0.5 mg po bid. Supply Xanax 0.25 mg tablets. How many tablets would you administer? Order: Penicillin 800,000 units po q4h x 10 days. Supply 1 tablet equals 400,000 units. How many tablets will you order? Order Zithromax: 400 mg po every day x 4 days. Supply: Zithromax 200 mg/5mL. What is the quantity to administer?

A 16YO is to recive cephalexin  250mg PO q 6h for 10 days. The drug is available in 250mg capsules. How many capsules will the patient receive in the 10-day course of therapy?

MK is a 58-year-old female patient (47kg) was recently admitted to a hospital due to severe COVID-related pneumonia. Her past medical history showed that she is a chronic kidney disease(CKD). Her renal function test lab result was not immediately available at the time of her admission to the hospital. She was going to be started on vancomycin 1 g IV every 12 hours for the severe pneumonia. After a loading-dose (1 g IV), two blood samples were taken from MK at 8 and 10 hours during the elimination phase (β-phase) and the plasma concentrations were found to be 14.88 and 14.21 mg/mL, respectively. Based on the concentrations given above and by referring the elimination rate constant table and/or the nomogram, calculate the following:a) Adjusted dose of vancomycin, while keeping the dosing interval constant. b) Adjusted dosing interval of vancomycin (τ), while keeping the dose constant.