Drug General Information (ID: D0950)
  Drug Name
Loratadine
  Drug Type Small molecule
  Drug Synonymous
Aerotina; Alarin; Alavert; Alerpriv; Allertidin; Anhissen; Biloina; Bonalerg; Civeran; Claratyne; Clarinase; Claritin; Claritine; Clarityn; Clarityne; Clarium; Fristamin; Histaloran; Lergy; Lertamine; Lesidas; Lisino; Loracert; Loradex; Loradif; Loranox; Lorantis; Lorastine; Loratadina; Loratadinum; Loratidine; Loratyne; Loraver; Lorfast; Loritine; Lowadina; Nularef; Optimin; Polaratyne; Pylor; Restamine; Rhinase; Rinomex; Roletra; Sanelor; Sensibit; Sohotin; Tadine; Velodan; Versal; Zeos; Bedix Loratadina; Claratyne Cold; Claratyne Decongestant; Clarinase Reperabs; Claritin D; Claritin Hives Relief; Claritin Hives Relief Reditab; Claritin Reditabs; Claritin reditab; Clarityne Dy Repetabs; Loratadina [Spanish]; Loratadine Redidose; Loratadine Wyeth Brand; Loratadinum [Latin]; Sinhistan Dy; Talorat Dy; Wyeth Brand of Loratadine; L 9664; Sch 29851; Sch29851; Alavert (TN); AllergyX (TN); Children's Claritin; Claritin (TN); Claritine (TN); Clarityn (TN); Clarityne (TN); Clarityne-D; Flonidan (TN); Fristamin (TN); Lomilan (TN); Lorfast (TN); Rinolan (TN); Roletra (TN); Sch-29851; Symphoral (TN); Tidilor (TN); Alavert, Claritin, Loratadine; Loratadine [USAN:BAN:INN]; Loratadine (JAN/USAN/INN); Ethyl 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate; Ethyl 4-(8-chloro-5,6-dihydro-11H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-ylidene)-1-piperidinecarboxylate; 1-Piperidenecarboxylic acid, 4-(8-chloro-5,6-duhydro-11H-benzo [5,6]cyclohepta[1,2-b]-pyridin-11-ylidene)-, ethyl ester; 1-Piperidinecarboxylic acid, 4-(8-chloro-5,6-dihydro-11H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-ylidene)-, ethyl ester; 1-Piperidinecarboxylic acid, 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-, ethyl ester; 1-piperidinecarboxylic acid,4-(8-chloro-5,6-dihydro-11H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-ylidene)-,ethyl ester; 4-(8-Chloro-5,6-dihydro-11H-benzo(5,6)cyclohepta(1,2-b)pyridin-11-ylidene)-1-piperidinecarboxylic Acid Ethyl Ester; 4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene-1-piperidinecarboxylic acidethyl ester; 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cycloheptal[1,2-b]pyridin-11-ylidene-1-piperidinecarboxylic acid ethyl ester
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  Disease Class 4A80-4A8Z: Allergic/hypersensitivity disorder; CA08: Vasomotor/allergic rhinitis
  Therapeutic Class Antihistamines
  Structure Could Not Find 2D Structure
3D Structure 2D Structure
  Formula C22H23ClN2O2
  InChI 1S/C22H23ClN2O2/c1-2-27-22(26)25-12-9-15(10-13-25)20-19-8-7-18(23)14-17(19)6-5-16-4-3-11-24-21(16)20/h3-4,7-8,11,14H,2,5-6,9-10,12-13H2,1H3
  InChIKey JCCNYMKQOSZNPW-UHFFFAOYSA-N
  Canonical SMILES CCOC(=O)N1CCC(=C2C3=C(CCC4=C2N=CC=C4)C=C(C=C3)Cl)CC1
  External Link
Pubchem ID 3957
CAS Number 79794-75-5
CHEBI ID 6538
TTD ID D06ABF
INTEDE ID DR0977
VARIDT ID DR00541

Drug-Drug Interaction Network
  Sunburst Graph
AM002  Affected cellular transport
AM003  Affected organization distribution
AM004  Affected intra/extra-hepatic metabolism
AM007  Pharmacodynamic antagonistic effects
BM011  Transporter induction
BM014  Interference of cell/tissue uptake
BM017  CYP450 enzyme inhibition
BM022  CYP450 enzyme induction
BM024  Competitive inhibition of metabolic enzyme
BM106  Diminish the response to diagnostic skin test antigens
BM107  Attenuated pharmacological effects (Unspecific)
  Relation Graph
 Full list of drugs interacting with Loratadine
      Affected cellular transport
      Affected organization distribution
   Interference of cell/tissue uptake Drug Num:  1
Drug ID
 
Drug Name
Formula Pubchem ID Severity Level Interaction Detail REF
D1822
 
Iodide I-123
 
I-
 
135300 
Moderate    Inter Info   
[44], [19], [45]
      Affected intra/extra-hepatic metabolism
   CYP450 enzyme inhibition Drug Num:  40
Drug ID
 
Drug Name
Formula Pubchem ID Severity Level Interaction Detail REF
D0497
 
Diltiazem
 
C22H26N2O4S
 
39186 
Moderate    Inter Info   
[1], [2], [3], [4], [5]
D0687
 
Fluvoxamine
 
C15H21F3N2O2
 
5324346 
Moderate    Inter Info   
[6], [7]
D0740
 
Grepafloxacin
 
C19H22FN3O3
 
72474 
Moderate    Inter Info   
[8]
D0002
 
Abametapir (topical)
 
C12H12N2
 
15664 
Moderate    Inter Info   
[9]
D0192
 
Boceprevir
 
C27H45N5O5
 
10324367 
Moderate    Inter Info   
[15]
D0298
 
Celecoxib
 
C17H14F3N3O2S
 
2662 
Moderate    Inter Info   
[21]
D0386
 
Conivaptan
 
C32H26N4O2
 
151171 
Moderate    Inter Info   
[22]
D0413
 
Dalfopristin
 
C34H50N4O9S
 
6323289 
Moderate    Inter Info   
[23]
D0426
 
Darunavir
 
C27H37N3O7S
 
213039 
Moderate    Inter Info   
[24]
D0428
 
Dasatinib
 
C22H26ClN7O2S
 
3062316 
Moderate    Inter Info   
[25]
D0432
 
Deferasirox
 
C21H15N3O4
 
214348 
Moderate    Inter Info   
[26], [27]
D0534
 
Dronedarone
 
C31H44N2O5S
 
208898 
Moderate    Inter Info   
[28]
D0543
 
Duvelisib
 
C22H17ClN6O
 
50905713 
Moderate    Inter Info   
[29]
D0638
 
Fedratinib
 
C27H36N6O3S
 
16722836 
Moderate    Inter Info   
[13], [36]
D0732
 
Glycerol phenylbutyrate
 
C33H38O6
 
10482134 
Moderate    Inter Info   
[13], [39]
D0789
 
Idelalisib
 
C22H18FN7O
 
11625818 
Moderate    Inter Info   
[42]
D0793
 
Imatinib
 
C29H31N7O
 
5291 
Moderate    Inter Info   
[43]
D0852
 
Isavuconazonium
 
C35H35F2N8O5S+
 
6918606 
Moderate    Inter Info   
[13], [46]
D0869
 
Ivacaftor
 
C24H28N2O3
 
16220172 
Moderate    Inter Info   
[47]
D0896
 
Larotrectinib
 
C21H22F2N6O2
 
46188928 
Moderate    Inter Info   
[30], [13], [48]
D0899
 
Lefamulin
 
C28H45NO5S
 
25185057 
Moderate    Inter Info   
[49]
D0906
 
Letermovir
 
C29H28F4N4O4
 
45138674 
Moderate    Inter Info   
[50]
D0960
 
Lumefantrine
 
C30H32Cl3NO
 
6437380 
Moderate    Inter Info   
[30], [13], [52]
D1063
 
Mifepristone
 
C29H35NO2
 
55245 
Moderate    Inter Info   
[30], [13], [53], [54]
D1117
 
Nefazodone
 
C25H32ClN5O2
 
4449 
Moderate    Inter Info   
[55]
D1398
 
Ribociclib
 
C23H30N8O
 
44631912 
Moderate    Inter Info   
[60], [61], [62], [63], [64], [65], [66], [67], [68]
D1432
 
Rucaparib
 
C19H18FN3O
 
9931954 
Moderate    Inter Info   
[71]
D1459
 
Selpercatinib
 
C29H31N7O3
 
134436906 
Moderate    Inter Info   
[13], [73]
D1541
 
Telaprevir
 
C36H53N7O6
 
3010818 
Moderate    Inter Info   
[78]
D1553
 
Terbinafine
 
C21H25N
 
1549008 
Moderate    Inter Info   
[80], [81], [82], [83]
D1660
 
Tucatinib
 
C26H24N8O2
 
51039094 
Moderate    Inter Info   
[84]
D1706
 
Voriconazole
 
C16H14F3N5O
 
71616 
Moderate    Inter Info   
[30], [13], [85]
D1119
 
Nelfinavir
 
C32H45N3O4S
 
64143 
Moderate    Inter Info   
[86]
D0597
 
Erythromycin
 
C37H67NO13
 
12560 
Minor    Inter Info   
[96], [97], [98]
D0667
 
Fluconazole
 
C13H12F2N6O
 
3365 
Minor    Inter Info   
[98], [99], [100], [101]
D0349
 
Clarithromycin
 
C38H69NO13
 
84029 
Minor    Inter Info   
[96], [97], [98]
D0867
 
Itraconazole
 
C35H38Cl2N8O4
 
55283 
Minor    Inter Info   
[98], [99], [100], [101]
D0880
 
Ketoconazole
 
C26H28Cl2N4O4
 
456201 
Minor    Inter Info   
[98], [99], [100], [101]
D1057
 
Miconazole
 
C18H14Cl4N2O
 
4189 
Minor    Inter Info   
[98], [99], [100], [101]
D1653
 
Troleandomycin
 
C41H67NO15
 
202225 
Minor    Inter Info   
[96], [97], [98]
   CYP450 enzyme induction Drug Num:  20
Drug ID
 
Drug Name
Formula Pubchem ID Severity Level Interaction Detail REF
D0095
 
Apalutamide
 
C21H15F4N5O2S
 
24872560 
Moderate    Inter Info   
[13], [14]
D0194
 
Bosentan
 
C27H29N5O6S
 
104865 
Moderate    Inter Info   
[16]
D0204
 
Brigatinib
 
C29H39ClN7O2P
 
68165256 
Moderate    Inter Info   
[17]
D0545
 
Echinacea
 
NA
 
NA
Moderate    Inter Info   
[30], [31]
D0554
 
Efavirenz
 
C14H9ClF3NO2
 
64139 
Moderate    Inter Info   
[32]
D0578
 
Enzalutamide
 
C21H16F4N4O2S
 
15951529 
Moderate    Inter Info   
[33], [30], [13], [34]
D0628
 
Etravirine
 
C20H15BrN6O
 
193962 
Moderate    Inter Info   
[35]
D0953
 
Lorlatinib
 
C21H19FN6O2
 
71731823 
Moderate    Inter Info   
[51]
D1198
 
Oxcarbazepine
 
C15H12N2O2
 
34312 
Moderate    Inter Info   
[56], [57], [58]
D1302
 
Pitolisant
 
C17H26ClNO
 
9948102 
Moderate    Inter Info   
[13], [59]
D1401
 
Rifapentine
 
C47H64N4O12
 
135403821 
Moderate    Inter Info   
[69], [70]
D1433
 
Rufinamide
 
C10H8F2N4O
 
129228 
Moderate    Inter Info   
[13], [72]
D1493
 
Somapacitan
 
C54H95N13O20S2
 
129894493 
Moderate    Inter Info   
[30], [13], [76]
D1495
 
Somatrem
 
C43H72N14O14
 
5487805 
Moderate    Inter Info   
[30], [13], [77], [76]
D1546
 
Telotristat ethyl
 
C27H26ClF3N6O3
 
25181577 
Moderate    Inter Info   
[13], [79]
D1128
 
Nevirapine
 
C15H14N4O
 
4463 
Moderate    Inter Info   
[30], [13], [87], [88]
D1494
 
Somatotropin
 
NA
 
NA
Moderate    Inter Info   
[30], [13], [76]
D1652
 
Troglitazone
 
C24H27NO5S
 
5591 
Moderate    Inter Info   
[89], [90], [91], [92], [93], [94], [95]
D0106
 
Armodafinil
 
C15H15NO2S
 
9690109 
Minor    Inter Info   
[102], [103], [104], [105], [106]
D1081
 
Modafinil
 
C15H15NO2S
 
4236 
Minor    Inter Info   
[102], [103], [104], [105], [106]
   Competitive inhibition of metabolic enzyme Drug Num:  6
Drug ID
 
Drug Name
Formula Pubchem ID Severity Level Interaction Detail REF
D0066
 
Amiodarone
 
C25H29I2NO3
 
2157 
Moderate    Inter Info   
[10], [11], [12]
D0696
 
Fosnetupitant
 
C31H35F6N4O5P
 
71544786 
Moderate    Inter Info   
[30], [37], [38]
D1127
 
Netupitant
 
C30H32F6N4O
 
6451149 
Moderate    Inter Info   
[30], [37], [38]
D1476
 
Sirolimus
 
C51H79NO13
 
5284616 
Moderate    Inter Info   
[74], [75]
D1526
 
Tacrolimus
 
C44H69NO12
 
445643 
Moderate    Inter Info   
[74], [75]
D1549
 
Temsirolimus
 
C56H87NO16
 
6918289 
Moderate    Inter Info   
[74], [75]
      Pharmacodynamic antagonistic effects
   Diminish the response to diagnostic skin test antigens Drug Num:  4
Drug ID
 
Drug Name
Formula Pubchem ID Severity Level Interaction Detail REF
D1755
 
Candida albicans
 
C29H27N2O12P
 
118855431 
Moderate    Inter Info   
[18], [19], [20]
D1765
 
Coccidioides immitis spherule
 
NA
 
NA
Moderate    Inter Info   
[18], [19], [20]
D1912
 
Trichophyton mentagrophytes
 
NA
 
NA
Moderate    Inter Info   
[18], [19], [20]
D1913
 
Tuberculin purified protein derivative
 
NA
 
NA
Moderate    Inter Info   
[18], [19], [20]
   Attenuated pharmacological effects (Unspecific) Drug Num:  2
Drug ID
 
Drug Name
Formula Pubchem ID Severity Level Interaction Detail REF
D1807
 
Histamine
 
C5H9N3
 
774 
Moderate    Inter Info   
[40], [19], [41]
D1812
 
Hyaluronidase
 
C17H24BrNO2
 
91820602 
Minor    Inter Info   
[107], [108], [109]
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75 Product Information. Rapamune (sirolimus) Wyeth-Ayerst Laboratories, Philadelphia, PA.
76 Product Information. Zorbtive (somatropin). Serono Laboratories Inc, Rockland, MA.
77 Product Information. Humatrope (somatropin). Lilly, Eli and Company, Indianapolis, IN.
78 Product Information. Incivek (telaprevir). Vertex Pharmaceuticals, Cambridge, MA.
79 Product Information. Xermelo (telotristat ethyl). Lexicon Pharmaceuticals, Inc., The Woodlands, TX.
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82 Product Information. Lamisil (terbinafine). Sandoz Pharmaceuticals Corporation, East Hanover, NJ.
83 Van der Kuy PH, Hooymans PM, Verkaaik AJ "Nortriptyline intoxication induced by terbinafine." BMJ 316 (1998): 441. [PMID: 9492672]
84 Product Information. Tukysa (tucatinib). Seattle Genetics Inc, Bothell, WA.
85 Product Information. VFEND (voriconazole). Pfizer U.S. Pharmaceuticals, New York, NY.
86 Product Information. Viracept (nelfinavir). Agouron Pharma Inc, La Jolla, CA.
87 Product Information. Viramune (nevirapine). Boehringer-Ingelheim, Ridgefield, CT.
88 Product Information. Viramune XR (nevirapine). Boehringer Ingelheim, Ridgefield, CT.
89 Burgess SJ, Singer GG, Brennan DC "Effect of troglitazone on cyclosporine whole blood levels." Transplantation 66 (1998): 272. [PMID: 9701278]
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94 Product Information. Rezulin (troglitazone). Parke-Davis, Morris Plains, NJ.
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98 Product Information. Claritin (loratadine). Schering Laboratories, Kenilworth, NJ.
99 Product Information. Nizoral (ketoconazole). Janssen Pharmaceutica, Titusville, NJ.
100 Woosley R, Carrow WR "Analysis of potential adverse drug reactions--a case of mistaken identity." Am J Cardiol 74 (1994): 208-9. [PMID: 8023797]
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103 Product Information. Nuvigil (armodafinil). Cephalon Inc, West Chester, PA.
104 Product Information. Provigil (modafinil). Cephalon, Inc, West Chester, PA.
105 Robertson P Jr, Hellriegel ET, Arora S, Nelson M "Effect of modafinil on the pharmacokinetics of ethinyl estradiol and triazolam in healthy volunteers." Clin Pharmacol Ther 71 (2002): 46-56. [PMID: 11823757]
106 Robertson P, Decory HH, Madan A, Parkinson A "In vitro inhibition and induction of human hepatic cytochrome P450 enzymes by modafinil." Drug Metab Dispos 28 (2000): 664-71. [PMID: 10820139]
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108 Gunston GD, Mehta U "Potentially serious drug interactions with grapefruit juice." S Afr Med J 90 (2000): 41. [PMID: 10721388]
109 Product Information. Vitrase (hyaluronidase). Bausch and Lomb, Rochester, NY.