Hazardous agent. Hypocalcemia is possible. Transient hypophosphatemia may occur. May cause renal toxicity. Concurrent administration with other nephrotoxic drugs (e.g. aminoglycosides, amphotericin B) may increase risk for renal insufficiency. Use with caution in cardiovascular disease (heart failure or hypertension) and pulmonary disease. Discontinue gallium nitrate during treatment with nephrotoxic drugs.