Diuretics
ACTIONS
Loop diuretics inhibit sodium (Na) and chloride (Cl) reabsorption through direct action primarily in the ascending loop of Henle but also in the proximal and distal tubules. Thiazide diuretics act primarily on the distal tubules, inhibiting Na and Cl reabsorption.
USES
• To treat edema that involves fluid volume excess resulting from a number of disorders of the heart, liver, or kidney
CONTRAINDICATIONS
• Severe adrenocortical impairment
PRECAUTIONS
• Fluid and electrolyte depletion, gout
SIDE EFFECTS
• **Dehydration, hyponatremia, hypochloremia, hypokalemia**
• **Unusual tiredness, weakness,** dizziness
• Irregular heart beat, weak pulse, **orthostatic hypotension**
• Tinnitus, **hyperglycemia, hyperuricemia,** hearing loss (Lasix)