Apo-Furosemide, Lasix, Lasix Special, Novosemide, Nu-Furosemide, PMS-Furosemide
Pharmacologic: loop diuretics
Edema due to heart failure, hepatic impairment, or renal disease. Hypertension.
Inhibits the reabsorption of sodium and chloride from the loop of Henle and distal renal tubule. Increases renal excretion of water, sodium, chloride, magnesium, potassium, and calcium. Effectiveness persists in impaired renal function. Therapeutic Effects: Diuresis and subsequent mobilization of excess fluid (edema, pleural effusions). Decreased blood pressure.
Adverse Reactions/Side Effects
CNS: blurred vision, dizziness, headache, vertigo. EENT: hearing loss, tinnitus. CV: hypotension. GI: anorexia, constipation, diarrhea, dry mouth, dyspepsia, nausea, pancreatitis, vomiting. GU: excessive urination. Derm: photosensitivity, pruritus, rash. Endo: hyperglycemia, hyperuricemia. F and E: dehydration, hypocalcemia, hypochloremia, hypokalemia, hypomagnesemia, hyponatremia, hypovolemia, metabolic alkalosis. Hemat: APLASTIC ANEMIA, AGRANULOCYTOSIS, hemolytic anemia, leukopenia, thrombocytopenia. MS: muscle cramps. Neuro: paresthesia. Misc: fever, increased BUN, nephrocalcinosis.
PHYSICAL THERAPY IMPLICATIONS
Examination and Evaluation
Monitor signs of aplastic anemia (fatigue, weakness, shortness of breath, pale skin, dizziness), agranulocytosis (fever, sore throat, mucosal lesions, signs of infection), or other symptoms and bleeding problems that might be due to other blood dyscrasias. Report these signs to the physician immediately.
Monitor signs of fluid, electrolyte, or acid-base imbalances, including dizziness, drowsiness, blurred vision, confusion, hypotension, or muscle cramps and weakness. Report excessive or prolonged symptoms to the physician.
Assess dizziness and vertigo that might affect gait, balance, and other functional activities (See Appendix C). Report balance problems and functional limitations to the physician, and caution the patient and family/caregivers to guard against falls and trauma.
Assess blood pressure periodically and compare to normal values (See Appendix F) to help determine antihypertensive effects. Report low blood pressure (hypotension), especially if patient experiences dizziness or syncope.
When used to treat edema, help determine drug effects by assessing peripheral edema using girth measurements, volume displacement, and measurement of pitting edema (See Appendix N). Also monitor signs of pulmonary edema such as dyspnea and rales/crackles (See Appendix K). Document whether peripheral and pulmonary symptoms are controlled adequately by diuretic therapy.
Monitor signs of hyperglycemia such as drowsiness, fruity breath, increased urination, and unusual thirst. Patients with diabetes mellitus should check blood glucose levels frequently.
Implement fall-prevention strategies, especially in older adults or if patient exhibits sedation, dizziness, blurred vision, or other impairments that affect gait and balance (See Appendix E).
Use caution during aerobic exercise, especially in hot environments. Increased sweating will cause fluid and electrolyte loss, and may exaggerate diuretic side effects (dizziness, muscle cramps, and so forth).
To minimize orthostatic hypotension, patient should move slowly when assuming a more upright position.
Causes photosensitivity; use care if administering UV treatments....
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