Higher than usual levels of certain waste products in the blood, which can be a sign of kidney problems.

See a healthcare professional right away for:

• Confusion with or without headache.
• Less or no urination.
• Chest pain.
• Fast heartbeat.
• Feeling the need to take long, deep breaths.
• Dizziness.
• Leg swelling.

See a healthcare professional for:

• Swelling, which may happen in the legs and feet.
• Tiredness or weakness.
• Upset stomach or vomiting.
• Loss of appetite or metallic taste in the mouth.
• Urine that looks foamy, frothy or bubbly.
• Pale skin color.
• Urinating more often than usual.
• Bone and joint pain.