This group comprises plain and combined antihistamine preparations for systemic use. Antihistamines used in motion sickness are classified in this group. Other preparations used in motion sickness, see A04 - Antiemetics and antinauseants.
See also N07C - Antivertigo preparations.
Combined preparations (incl. combinations with hydroxyzine) are classified at separate 5th levels using the corresponding 50-series.
Combinations of antihistamines are classified at a separate 4th level, R06AK.
Antihistamines are also included in combined preparations classified in other groups:
Combinations with analgesics - N02
Combinations with xanthines - R03DA
Combinations with leukotriene receptor antagonists - R03DC.
Combinations with expectorants - R05C
Combinations with nasal decongestants for systemic use - R01B
Combinations with cough suppressants - R05D
Allergen extracts, see V01.
The group is subdivided according to chemical structure.
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