Answer
Ketoconazole, erythromycin and cimetidine increased loratadine plasma levels when used concomitantly in controlled trials, without clinically significant changes, including electrocardiographic changes; interaction studies were performed only in adults.
Sources for this answer
- Loratadine 5 mg/5 ml SyrupPinewood Healthcare · emc · SmPC §4.5 Interaction with other medicinal products · Version 5Document updated
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