The total amount of levofloxacin and dexamethasone 21-Phosphate in a bottle of Ducressa is too small to induce toxic effects after an accidental intake.
In the case of topical overdose, the treatment should be stopped. In case of prolonged irritation, the eye(s) should be rinsed with sterile water.
The symptomatology due to accidental ingestion is not known. The physician may consider gastric lavage or emesis.