| R06AA59 - Doxylamine, Combinations | ATC-DDD Version 2016. Source: WHO | | R - Respiratory System | Inhaled antiinfectives are classified in ATC group J - Antiinfectives for systemic use.
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| | 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.
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| | 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.
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| | R06AA59 - Doxylamine, Combinations |
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