Risk of hypervolemia, decompensated cardiac insufficiency, HTN, oesophageal varices, pulmonary oedema, haemorrhagic diathesis, severe anemia, renal & post-renal anuria, dehydration (unless sufficient fluid is infused simultaneously). Monitor electrolyte status. Not to be diluted w/ water for inj. Stop therapy in CV overload, increased BP, raised venous pressure & pulmonary oedema.