Headache; flushing; diarrhoea, dyspepsia; pain in extremity. Cellulitis, flu, bronchitis, sinusitis, rhinitis, gastroenteritis; anaemia; fluid retention; insomnia, anxiety; migraine, tremor, paresthesia, burning sensation, hypoaesthesia; retinal haemorrhage, visual impairment, blurred vision, photophobia, chromatopsia, cyanopsia, eye irritation, ocular hyperaemia; vertigo; epistaxis, cough, nasal congestion; gastritis, GERD, haemorrhoids, abdominal distension, dry mouth; alopecia, erythema, night sweats; myalgia, back pain; pyrexia.