| Undesirable effects in association with the use of iodinated contrast media are usually mild to moderate and transient in nature. However, severe and life-threatening reactions as well as deaths have been reported. Nausea, headache, a sensation of pain and a general feeling of warmth are the most frequently recorded reactions.
System organ class | Common ( 1/100) | Uncommon ( 1/1,000, <1/100) | Rare (< 1/1,000) | Immunological | | Anaphylactoid reactions / hypersensitivity | Anaphylactoid shock (including fatal cases) | Endocrine | | | Alteration in thyroid function, thyrotoxic crisis | Nervous,
Psychiatric | | Dizziness, restlessness | Paraesthesia / hypoaesthesia, confusion, anxiety, agitation, amnesia, speech disorders, somnolence, unconsciousness, coma, tremor, convulsion, paresis / paralysis, cerebral ischaemia / infarction, stroke. Transient cortical blindnessa | Eye | | Blurred / disturbed vision | Conjunctivitis, lacrimation. | Ear | | | Hearing disorders. | Cardiac | | Arrhythmia | Palpitations, chest pain / tightness, bradycardia, tachycardia, cardiac arrest, heart failure, myocardial ischaemia/infarction, cyanosis. | Vascular | | Vasodilatation | Hypotension, hypertension, shock. Vasospasm,a
thromboembolic eventsa | Respiratory | | Sneezing, coughing | Rhinitis, dyspnoea, mucosal swelling, asthma, hoarseness, laryngeal / pharyngeal / tongue / face oedema, bronchospasm, laryngeal/pharyngeal spasm, pulmonary oedema, respiratory insufficiency, respiratory arrest. | Gastrointestinal | Nausea | Vomiting, taste disturbance | Throat irritation , dysphagia, swelling of salivary glands, abdominal pain, diarrhoea | Skin and subcutaneous tissue | | Urticaria, pruritus, rash, erythema | Angioedema, mucocutaneous syndrome (e.g. Stevens-Johnson's or Lyell's syndrome) | Renal and urinary | | Renal impairmenta | Acute renal failurea | General disorders and administration site conditions | Heat or pain sensations, headache | Malaise, chills, sweating, vasovagal reactions | Pallor, body temperature alterations, oedema Local pain, mild warmth and oedema, inflammation and tissue injury in case of extravasation | a
intravascular use only | | | | | | | | | | | | | | Frequency estimates are based on data obtained in pre-marketing studies in more than 3900 patients and post-marketing studies in more than 74000 patients, as well as data from spontaneous reporting and literature. (Frequency estimations are based predominantly on intravascular use.). | |