Common (affecting less than one person in 10 but more than one person in 100): • Cough, upper airway infection, congestion in the nose, sinusitis, sinus disorder, • Diarrhoea, abdominal pain, nausea, indigestion, • Muscle pain or cramps, leg pain, back pain, • Insomnia, headache, dizziness, • Weakness, tiredness, chest pain, • Increased potassium levels (which can cause an abnormal heart rhythm), decreased haemoglobin levels.