This group comprises preparations for local treatment in nasal congestion (e.g. sympathomimetics) or for prophylaxis and treatment of allergic rhinitis (e.g. corticosteroids, cromoglicate preparations). Most of the products are nasal drops, nasal sprays or nasal inhalants. Formulations approved for eye, ear and nose are classified in S03.
See also R01B - Nasal decongestants for systemic use, and
R06 - Antihistamines for systemic use.