WHOCC
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WHO Collaborating Centre for Drug Statistics Methodology
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S SENSORY ORGANS

A formulation approved both for use in the eye/ear is classified in S03. Formulations approved for eye, ear and nose are also classified in S03. Formulations only licensed for use in the eye or the ear are classified in S01 and S02, respectively.


S01 OPHTHALMOLOGICALS

Most of the drugs in this group are topical preparations. Systemic preparations with clear ophthalmological indications are also classified in this group.
Small amounts of antiseptics in eye preparations do not influence the classification, e.g. benzalconium.
See also S03 - Ophthalmological and otological preparations.

DDDs have been assigned for antiglaucoma preparations only.


S01B ANTIINFLAMMATORY AGENTS

This group comprises all eye preparations with non-steroidal antiinflammatory agents and corticosteroids, plain and combinations. Combinations with antiinfectives are classified in S01C - Antiinflammatory agents and antiinfectives in combination.


S01BB Corticosteroids and mydriatics in combination

Combinations, which in addition contain anticholinergics, are classified here.
Combinations, which in addition contain antiinfectives, are classified in S01CB - Corticosteroids/antiinfectives/mydriatics in combination.


List of abbreviations

Last updated: 2024-01-26