Sotalol is a Class III antiarrhythmic agent that blocks K+ channels, prolongs action potential duration (APD), and lengthens QT interval.

Noncardiac selective beta-adrenergic blocker.

The D-isomer has less than 1/50 beta-blocking activity of the L-isomer.

Sotalol possesses 30% of beta-blocking activity of propranolol

Losartan has a uricosuric action in addition to being an angiotensin receptor blocker.

Allopurinol is a xanthine oxidase inhibitor which reduces the synthesis of uric acid.

Nephrotoxicity of cephalosporins is accentuated by concurrent administration of loop diuretics.

Oprelvekin (Interleukin 11) is the only agent approved by the FDA for treatment of thrombocytopenia secondary to myelosuppressive cancer chemotherapy
Filgrastim (G-CSF) and Sargramostim (GM-SCF) are used in the treatment of neutropenia
Erythropoietin is used in treatment of anemia

Chlorthalidone (Thiazide like diuretic)