Hoffman 3e Sneak Preview

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Unit V Promoting Health in Patients With Oxygenation Disorders

Table 24.11 Medications Used in the Treatment of Tuberculosis—cont'd

Medication Classification

Mechanism of Action Inhibits bacterial synthesis of coen- zyme A

Exemplars

Nursing Implications

Pyrazinamide (Rifater, Tebrazid)

Baseline and ongoing laboratory monitoring: l CBC l Chemistries l Renal function l Liver panel l Hepatitis panel l Coagulation

l Uric acid Monitor for: l Signs and symptoms of toxicity (RUQ tenderness, jaundice, fever, abnormal bleeding) l Loss of glycemic control in diabetic patients. Patient education: l Complete the entire course of prescribed medication. l Report onset of dysuria or skin manifestations (acne, rash). l Do not become pregnant or breastfeed during course of therapy. Baseline and ongoing laboratory monitoring: l CBC l Chemistries l Renal function l Liver panel l Hepatitis panel l Coagulation l Uric acid levels Baseline and monthly ophthalmology examination. Monitor for: l Development of visual disturbances—drug can cause optic neuritis that may potentially progress to irreversible blindness. l Onset of urinary symptoms (dysuria, oliguria) Patient education: l Complete the entire course of prescribed medication. l Report any visual changes promptly. l Do not become pregnant or breastfeed during course of therapy.

Ethambutol (Etibi, Myambutol)

Inhibits RNA syn- thesis arresting proliferation of tubercle bacilli

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