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loratadine

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loratadine

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Loratadine, sold under the brand name Claritin among others, is a medication used to treat allergies. This includes allergic rhinitis (hay fever) and hives. It is also available in drug combinations such as loratadine/pseudoephedrine, in which it is combined with pseudoephedrine, a nasal decongestant. It is taken orally.

Key facts

Drug.Verifiedfields
changed
Drug.verifiedrevid
408580634
Drug.image
Loratadine.svg
Drug.image_class
skin-invert-image
Drug.image2
Loratadine - 3d, portrait orientation.png
Drug.image_class2
bg-transparent
Drug.tradename
Claritin, Claratyne, Clarityn, others
Drug.MedlinePlus
a697038
Drug.DailyMedID
Loratadine
Drug.pregnancy_AU
B1
Drug.routes_of_administration
By mouth
Drug.class
Second-generation antihistamine
Drug.ATC_prefix
R06
Drug.ATC_suffix
AX13
Drug.legal_AU
OTC
Drug.legal_CA
OTC
Drug.legal_UK
GSL
Drug.legal_UK_comment
/ Pharmacy

via Wikipedia infobox

Chemical data

Formula
C22H23ClN2O2
Molecular weight
382.9 g/mol
IUPAC name
ethyl 4-(13-chloro-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-ylidene)piperidine-1-carboxylate
SMILES
CCOC(=O)N1CCC(=C2C3=C(CCC4=C2N=CC=C4)C=C(C=C3)Cl)CC1
InChIKey
JCCNYMKQOSZNPW-UHFFFAOYSA-N
XLogP
5.2
Polar surface area
42.4 Ų
H-bond donors
0
H-bond acceptors
3
Formal charge
0

via PubChem

Wikidata facts

Mass
382.144806
Show 5 more facts
chemical formula
C₂₂H₂₃ClN₂O₂
defined daily dose
5
Commons category
Loratadine
World Health Organisation international non-proprietary name
loratadine
canonical SMILES
CCOC(=O)N1CCC(=C2C3=C(CCC4=C2N=CC=C4)C=C(C=C3)Cl)CC1
Sources (7)

via Wikidata · CC0

~10 min read

Article

15 sections
Contents
  • Medical uses
  • Combination drugs
  • Dosage forms
  • Contraindications
  • Adverse effects
  • Interactions
  • Pharmacology
  • Pharmacodynamics
  • Pharmacokinetics
  • History
  • Society and culture
  • Over the counter
  • Brands
  • Marketing
  • References

Loratadine, sold under the brand name Claritin among others, is a medication used to treat allergies. This includes allergic rhinitis (hay fever) and hives. It is also available in drug combinations such as loratadine/pseudoephedrine, in which it is combined with pseudoephedrine, a nasal decongestant. It is taken orally.

Common side effects include sleepiness, dry mouth, and headache. Serious side effects are rare and include allergic reactions, seizures, and liver problems. Use during pregnancy appears to be safe but has not been well studied. It is not recommended in children less than two years old. It is in the second-generation antihistamine family of medications.

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