4.2 Posology and method of administration
The following information has been included or updated: -
· Updated oral loading information; differentiating between chronic cardiac failure in absence of supraventricular arrhythmia for adults and management of atrial fibrillation or flutter in adults and children over 10 years old. [Oral formulations only]
· The maintenance dose for adults and children over 10 years old with heart failure has been changed to 125 - 250 micrograms (0.125 - 0.250 mg).
· Further information is provided concerning the monitoring of serum digoxin concentration for both efficacy and toxicity.
· Maintenance dosage instructions have been incorporated on the injection formulation to harmonise with all oral formulations, providing further clarity to benefit the healthcare professional.
· Dilution instructions have been removed from this section in line with current SPC guidance, as it was considered duplication of the information already provided in section 6.6 (Instructions for use, handing and disposal). [Injection formulation only]
· Other minor amendments have been made to provide clarity.
4.3 Contraindications
The hypersensitivity statement has been expanded to include hypersensitivity to any of the components of the product (i.e. the excipients in addition to the drug substance).
4.4 Special warnings and precautions
Warnings and precautions about the use of digoxin in heart failure associated with cardiac amyloidosis, myocarditis, beri-beri heart disease and constrictive pericarditis have been added. Additionally, an appropriate warning has been added to reflect the excipients with a known action included in the product, in accordance with current guidance (lactose and sucrose, where relevant).
4.8 Undesirable Effects
The adverse events have been updated in accordance with the MedDRA System Organ Class (SOC) and to include frequencies according to CIOMS classification and current guidance. Additionally, information related to adverse events experienced in an overdose has been moved to the appropriate SPC section (4.9 Overdose).
4.9 Overdose
This section has been updated to include further information on possible symptoms and signs in case of a digoxin overdose. This information was previously provided in SPC section 4.8 (Undesirable Effects).
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