Side effects may range from mild to serious complications. Consult your doctor immediately when you feel the following symptoms: Upset stomach, nausea, vomiting, diarrhea, headache, tiredness, muscle pain, body aches, and loss of appetite, dry cough, swelling (especially of lower legs/the area around eyes), sudden/unexplained weight gain, increasing trouble breathing (shortness of breath, dyspnea), black/bloody stools, dark urine, stomach/abdominal pain, vomit that looks like coffee grounds, yellowing eyes/skin, severe dizziness, fainting, fast/slow/irregular heartbeat, chest pain, confusion, weakness on one side of the body, very serious blood disorders (low number of blood cells such as red cells, white cells, and platelets), bruise or bleed more easily, signs of infection (e.g., fever, persistent sore throat), easy bruising/bleeding, unusual tiredness.
Get medical emergency help immediately when you experience symptoms of overdose (seizures, bluish skin (cyanosis), sudden vision changes, sudden loss of vision).