Side effects are mild, usually at the start of treatment; they include:
*Cough
*Fatigue
*Weakness/Asthenia
*Headache
*Disturbances of mood and/or sleep
Less often
*Taste impairment
*Epigastric discomfort
*Nausea
*Abdominal pain
*Rash
Reversible increases in blood urea and creatinine may be observed. Proteinuria has occurred in some patients. Rarely, angioneurotic edema and decreases in hemoglobin, red cells, and platelets have been reported.