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.
See also R01B - Nasal decongestants for systemic use, and R06 - Antihistamines for systemic use.