Managing Fatigue
Fatigue occurs in nearly all patients (96%) treated with INTRON® A therapy and is the most common dose-limiting chronic toxicity associated with this therapy. Fatigue may occur via cytokine-mediated mechanisms or occur secondary to other medical conditions. Fatigue persists throughout therapy and generally worsens with continued therapy.
- Determine whether fatigue is isolated or exists as a component of another syndrome (eg, anorexia, hypothyroidism, anemia, depression, dehydration, etc).
- If cause is known (eg, anemia), address underlying disorder.
- If cause is unknown, implement behavioral, nutritional, and/or pharmacologic interventions (see below).
- Modify dose or interrupt therapy if necessary.
Behavioral interventions for fatigue
- Psychotherapy
- Support group network
- Advise patients to modify duties at home/work as needed
- Regular light exercise
- Involvement in normal daily and social activities with appropriate reduction
- Activities involving intellectual stimulation
- Time management and prioritization of daily activities
Nutritional interventions for fatigue
- Improved nutrition
- Small, frequent meals
- Nutritional supplementation (eg, energy shakes, bars)
- Increased intake of noncaffeinated fluids
Pharmacologic interventions for fatigue
- SSRIs
- Megestrol acetate
- Consider methylphenidate in severe cases (5 mg bid up to 30 mg bid)
Note: Corticosteroids may compromise the therapeutic effect of INTRON® A therapy

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