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R RESPIRATORY SYSTEMInhaled antiinfectives are classified in ATC group J - Antiinfectives for systemic use.
R06 ANTIHISTAMINES FOR SYSTEMIC USE
R06A ANTIHISTAMINES FOR SYSTEMIC USE
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.
| For some of the substances, different dosage forms are given different DDDs, due to differences in bioavailability. |
R06AA Aminoalkyl ethers
Combinations of diphenhydramine and dimenhydrinate are classified in R06AA52 diphenhydramine, combinations.
Combinations with codeine are classified in N02AA.
Combinations of cinnarizine and dimenhydrinate (diphenhydramine teoclate) are classified in N07CA - Antivertigo preparations.
| The DDD of doxylamine is based on the treatment of insomnia. |
| ATC code | Name | DDD | U | Adm.R | Note |
| R06AA56 | chlorphenoxamine, combinations |
Last updated: 2024-01-26