Counts
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Relationship
Relationship Attribute
Count (MRREL.RRF)
SY
*
393588
RO
has_ingredient
94663
RO
constitutes
92753
RB
has_tradename
82284
RO
has_dose_form
76809
RN
isa
48833
RN
has_precise_ingredient
2551
RN
form_of
1512
RN
contains
998
RO
has_precise_ingredient
763
RO
reformulation_of
117
Notes
Sample data are taken from MRREL.RRF. Associated strings(str) from MRCONSO.RRF are also included
See relationships definitions below.
Every relationship has a separate row in MRREL.RRF.
Relationships are assigned based on source documentation or NLM understanding of the source.
Metathesaurus relationships in MRREL.RRF are read from right to left .
All relationships in MRREL.RRF are expressed in both directions, for example: 'has_ingredient/ingredient_of'. Inverse relationships in each pair are indicated on this page.
An asterisk (*) in the relationship attribute column indicates that no relationship attribute (RELA) was assigned.
Every even row (indicated by orange colored rel/rela pairs) indicates that the current row is an inverse relationship of the row above it.
See section 2.7.1.3.9 in UMLS Documentation Section 2, Metathesaurus for more information on Related Concepts, MRREL.RRF.
Relationship Definitions
AQ : allowed qualifier
CHD : has child (narrower hierarchical term)
DEL : deleted concept
PAR : has parent (broader hierarchical term)
QB : can be qualifier by
RB : has a broader relationship
RL : has similar or like relationship
RN : has narrower relationship
RO : has relationship other than synonymous, narrower or broader
RQ : related and possibly synonymous
SIB : has sibling
SY : source-asserted synonymy
Sample Data
SY (return to top)
CUI1
AUI1
STYPE1
STR
REL
STR
STYPE2
AUI2
CUI2
C2240800
A16031645
AUI
{1 (2000 ML POLYETHYLENE GLYCOL 3350 105 MG/ML / Potassium Chloride 0.00497 MEQ/ML / Sodium Bicarbonate 0.017 MEQ/ML / Sodium Chloride 0.0479 MEQ/ML Oral Solution) / 2 (Bisacodyl 5 MG Enteric Coated Tablet) } Pack
SY
BISACODYL 5MG TAB #2/PEG-3350/ELECTROLYTES KIT
AUI
A14219816
C2240800
C2240800
A14219816
AUI
BISACODYL 5MG TAB #2/PEG-3350/ELECTROLYTES KIT
SY
{1 (2000 ML POLYETHYLENE GLYCOL 3350 105 MG/ML / Potassium Chloride 0.00497 MEQ/ML / Sodium Bicarbonate 0.017 MEQ/ML / Sodium Chloride 0.0479 MEQ/ML Oral Solution) / 2 (Bisacodyl 5 MG Enteric Coated Tablet) } Pack
AUI
A16031645
C2240800
C0773777
A10422586
AUI
Lactase 3000 UNT Chewable Tablet
SY
lactase 3000 units oral tablet, chewable
AUI
A9450882
C0773777
C0773777
A9450882
AUI
lactase 3000 units oral tablet, chewable
SY
Lactase 3000 UNT Chewable Tablet
AUI
A10422586
C0773777
C0688143
A10651988
AUI
CARISOPRODOL@350MG@ORAL@TABLET
SY
Carisoprodol 350 MG Oral Tablet
AUI
A10417202
C0688143
C0688143
A10417202
AUI
Carisoprodol 350 MG Oral Tablet
SY
CARISOPRODOL@350MG@ORAL@TABLET
AUI
A10651988
C0688143
C0708889
A14212865
AUI
Romilar AC, 10 mg-100 mg/5 ml oral syrup
SY
Codeine 2 MG/ML / Guaifenesin 20 MG/ML Oral Solution [Romilar AC]
AUI
A14217027
C0708889
C0708889
A14217027
AUI
Codeine 2 MG/ML / Guaifenesin 20 MG/ML Oral Solution [Romilar AC]
SY
Romilar AC, 10 mg-100 mg/5 ml oral syrup
AUI
A14212865
C0708889
C1586411
A12929672
AUI
24 HR Nifedipine 90 MG Extended Release Tablet [Nifediac CC]
SY
NIFEDIPINE 90 MG ORAL TABLET, FILM COATED, EXTENDED RELEASE [NIFEDIAC]
AUI
A13352341
C1586411
C1586411
A13352341
AUI
NIFEDIPINE 90 MG ORAL TABLET, FILM COATED, EXTENDED RELEASE [NIFEDIAC]
SY
24 HR Nifedipine 90 MG Extended Release Tablet [Nifediac CC]
AUI
A12929672
C1586411
RO (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C2370109
A16032940
SCUI
Nucort
RO
has_ingredient
Hydrocortisone 20 MG/ML Topical Lotion [Nucort]
SCUI
A16027993
C2370112
C2370112
A16027993
SCUI
Hydrocortisone 20 MG/ML Topical Lotion [Nucort]
RO
ingredient_of
Nucort
SCUI
A16032940
C2370109
C0772078
A10363025
SCUI
SULFATED MUCOPOLYSACCHARIDES
RO
has_ingredient
SULFATED MUCOPOLYSACCHARIDES 0.05 UNT/MG
SCUI
A10628869
C1383409
C1383409
A10628869
SCUI
SULFATED MUCOPOLYSACCHARIDES 0.05 UNT/MG
RO
ingredient_of
SULFATED MUCOPOLYSACCHARIDES
SCUI
A10363025
C0772078
C0591815
A10340321
SCUI
Modaplate
RO
has_ingredient
Dipyridamole 100 MG [Modaplate]
SCUI
A10728522
C1596089
C1596089
A10728522
SCUI
Dipyridamole 100 MG [Modaplate]
RO
ingredient_of
Modaplate
SCUI
A10340321
C0591815
C0720692
A10349493
SCUI
Glyset
RO
has_ingredient
miglitol 50 MG [Glyset]
SCUI
A10721486
C1607565
C1607565
A10721486
SCUI
miglitol 50 MG [Glyset]
RO
ingredient_of
Glyset
SCUI
A10349493
C0720692
C0723890
A10350558
SCUI
Tricodene Pediatric
RO
has_ingredient
Dextromethorphan 2 MG/ML / Phenylpropanolamine 2.5 MG/ML [Tricodene Pediatric]
SCUI
A10727372
C1605567
C1605567
A10727372
SCUI
Dextromethorphan 2 MG/ML / Phenylpropanolamine 2.5 MG/ML [Tricodene Pediatric]
RO
ingredient_of
Tricodene Pediatric
SCUI
A10350558
C0723890
RO (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0690427
A10428077
SCUI
Sulfisoxazole 500 MG Oral Tablet
RO
constitutes
Sulfisoxazole 500 MG
SCUI
A10428076
C0990439
C0990439
A10428076
SCUI
Sulfisoxazole 500 MG
RO
consists_of
Sulfisoxazole 500 MG Oral Tablet
SCUI
A10428077
C0690427
C1996674
A10506039
SCUI
Ethinyl Estradiol 0.035 MG / Norethindrone 1 MG Oral Tablet [Ortho Novum]
RO
constitutes
Norethindrone 1 MG
SCUI
A10424875
C0988206
C0988206
A10424875
SCUI
Norethindrone 1 MG
RO
consists_of
Ethinyl Estradiol 0.035 MG / Norethindrone 1 MG Oral Tablet [Ortho Novum]
SCUI
A10506039
C1996674
C0708395
A10444574
SCUI
Nitroglycerin 9 MG Extended Release Capsule [Nitro-Time]
RO
constitutes
Nitroglycerin 9 MG
SCUI
A10424846
C0988190
C0988190
A10424846
SCUI
Nitroglycerin 9 MG
RO
consists_of
Nitroglycerin 9 MG Extended Release Capsule [Nitro-Time]
SCUI
A10444574
C0708395
C0873244
A10418360
SCUI
Clarithromycin 500 MG Extended Release Tablet
RO
constitutes
Clarithromycin 500 MG
SCUI
A10418358
C0984982
C0984982
A10418358
SCUI
Clarithromycin 500 MG
RO
consists_of
Clarithromycin 500 MG Extended Release Tablet
SCUI
A10418360
C0873244
C1329387
A10507948
SCUI
Senna Extract 8.6 MG Oral Tablet [Senexon]
RO
constitutes
Senna Extract 8.6 MG [Senexon]
SCUI
A10716675
C1593943
C1593943
A10716675
SCUI
Senna Extract 8.6 MG [Senexon]
RO
consists_of
Senna Extract 8.6 MG Oral Tablet [Senexon]
SCUI
A10507948
C1329387
RB (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0595779
A10502830
SCUI
Cisapride 20 MG Oral Tablet [Prepulsid Quicklet]
RB
has_tradename
Cisapride 20 MG Oral Tablet
SCUI
A10418306
C0690780
C0690780
A10418306
SCUI
Cisapride 20 MG Oral Tablet
RN
tradename_of
Cisapride 20 MG Oral Tablet [Prepulsid Quicklet]
SCUI
A10502830
C0595779
C0043440
A10336781
SCUI
Yutopar
RB
has_tradename
Ritodrine
SCUI
A10336354
C0035661
C0035661
A10336354
SCUI
Ritodrine
RN
tradename_of
Yutopar
SCUI
A10336781
C0043440
C0591276
A10335025
SCUI
Colestid
RB
has_tradename
Colestipol
SCUI
A10335026
C0009279
C0009279
A10335026
SCUI
Colestipol
RN
tradename_of
Colestid
SCUI
A10335025
C0591276
C0720780
A10348444
SCUI
Guiatuss DAC
RB
has_tradename
Pseudoephedrine
SCUI
A10336298
C0033798
C0033798
A10336298
SCUI
Pseudoephedrine
RN
tradename_of
Guiatuss DAC
SCUI
A10348444
C0720780
C0718307
A12931697
SCUI
Akwa Tears
RB
has_tradename
Mineral Oil
SCUI
A10335869
C0026156
C0026156
A10335869
SCUI
Mineral Oil
RN
tradename_of
Akwa Tears
SCUI
A12931697
C0718307
RN (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C1248492
A10488447
SCUI
Nicardipine Injectable Solution
RN
isa
Nicardipine 0.1 MG/ML Injectable Solution
SCUI
A15873639
C2364827
C2364827
A15873639
SCUI
Nicardipine 0.1 MG/ML Injectable Solution
RB
inverse_isa
Nicardipine Injectable Solution
SCUI
A10488447
C1248492
C1690957
A10740787
SCUI
Brompheniramine / carbetapentane / Phenylephrine Oral Suspension [Pulmari]
RN
isa
Brompheniramine 0.8 MG/ML / carbetapentane 6 MG/ML / Phenylephrine 1.5 MG/ML Oral Suspension [Pulmari]
SCUI
A10740814
C1642825
C1642825
A10740814
SCUI
Brompheniramine 0.8 MG/ML / carbetapentane 6 MG/ML / Phenylephrine 1.5 MG/ML Oral Suspension [Pulmari]
RB
inverse_isa
Brompheniramine / carbetapentane / Phenylephrine Oral Suspension [Pulmari]
SCUI
A10740787
C1690957
C1249546
A10741715
SCUI
Evening primrose extract / gamma-Linolenate / linoleate Oral Capsule
RN
isa
Evening primrose extract 500 MG / gamma-Linolenate 45 MG / linoleate 350 MG Oral Capsule
SCUI
A10741716
C0937039
C0937039
A10741716
SCUI
Evening primrose extract 500 MG / gamma-Linolenate 45 MG / linoleate 350 MG Oral Capsule
RB
inverse_isa
Evening primrose extract / gamma-Linolenate / linoleate Oral Capsule
SCUI
A10741715
C1249546
C1813796
A11568803
SCUI
carbetapentane / Guaifenesin Extended Release Tablet [Allfen C]
RN
isa
carbetapentane 5 MG / Guaifenesin 1000 MG Extended Release Tablet [Allfen C]
SCUI
A11576546
C1813797
C1813797
A11576546
SCUI
carbetapentane 5 MG / Guaifenesin 1000 MG Extended Release Tablet [Allfen C]
RB
inverse_isa
carbetapentane / Guaifenesin Extended Release Tablet [Allfen C]
SCUI
A11568803
C1813796
C1247972
A10481958
SCUI
Sodium Chloride Injectable Solution
RN
isa
Sodium Chloride 0.0308 MEQ/ML Injectable Solution
SCUI
A12941247
C0593221
C0593221
A12941247
SCUI
Sodium Chloride 0.0308 MEQ/ML Injectable Solution
RB
inverse_isa
Sodium Chloride Injectable Solution
SCUI
A10481958
C1247972
RN (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0543495
A10338329
SCUI
Albuterol Sulfate
RN
has_precise_ingredient
Ventolin Easi-Breathe
SCUI
A10339931
C0594885
C0594885
A10339931
SCUI
Ventolin Easi-Breathe
RB
precise_ingredient_of
Albuterol Sulfate
SCUI
A10338329
C0543495
C0724679
A10363098
SCUI
PYRILAMINE TANNATE
RN
has_precise_ingredient
V-Tan DM
SCUI
A10828028
C1649221
C1649221
A10828028
SCUI
V-Tan DM
RB
precise_ingredient_of
PYRILAMINE TANNATE
SCUI
A10363098
C0724679
C0064079
A10349832
SCUI
Isosorbide Mononitrate
RN
has_precise_ingredient
Angitate
SCUI
A10496289
C1254059
C1254059
A10496289
SCUI
Angitate
RB
precise_ingredient_of
Isosorbide Mononitrate
SCUI
A10349832
C0064079
C0304448
A10387285
SCUI
Methohexital Sodium
RN
has_precise_ingredient
Brevital Sodium
SCUI
A10338681
C0305491
C0305491
A10338681
SCUI
Brevital Sodium
RB
precise_ingredient_of
Methohexital Sodium
SCUI
A10387285
C0304448
C0724660
A10434598
SCUI
Phenylephrine Tannate
RN
has_precise_ingredient
A Tan-12X
SCUI
A10922710
C1724665
C1724665
A10922710
SCUI
A Tan-12X
RB
precise_ingredient_of
Phenylephrine Tannate
SCUI
A10434598
C0724660
RN (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C1968275
A13269957
SCUI
Inert Ingredients 1 MG Oral Tablet
RN
contains
Norinyl 1+50 28 Day Pack
SCUI
A16390167
C0307039
C0307039
A16390167
SCUI
Norinyl 1+50 28 Day Pack
RB
contained_in
Inert Ingredients 1 MG Oral Tablet
SCUI
A13269957
C1968275
C1359783
A10737726
SCUI
Ethinyl Estradiol 0.0025 MG / Norethindrone 0.5 MG Oral Tablet
RN
contains
Femhrt 0.5/2.5 28 Day Pack
SCUI
A13352502
C1828558
C1828558
A13352502
SCUI
Femhrt 0.5/2.5 28 Day Pack
RB
contained_in
Ethinyl Estradiol 0.0025 MG / Norethindrone 0.5 MG Oral Tablet
SCUI
A10737726
C1359783
C1968275
A13269957
SCUI
Inert Ingredients 1 MG Oral Tablet
RN
contains
Norethin 1/35 E 28 Day Pack
SCUI
A13348724
C1996475
C1996475
A13348724
SCUI
Norethin 1/35 E 28 Day Pack
RB
contained_in
Inert Ingredients 1 MG Oral Tablet
SCUI
A13269957
C1968275
C0936051
A10431267
SCUI
lamotrigine 25 MG Oral Tablet
RN
contains
{35 (lamotrigine 25 MG Oral Tablet) } Pack
SCUI
A13348477
C1995431
C1995431
A13348477
SCUI
{35 (lamotrigine 25 MG Oral Tablet) } Pack
RB
contained_in
lamotrigine 25 MG Oral Tablet
SCUI
A10431267
C0936051
C0991594
A11267749
SCUI
Niacin 750 MG Extended Release Tablet [Niaspan]
RN
contains
Niaspan Starter Pack
SCUI
A14213847
C1572397
C1572397
A14213847
SCUI
Niaspan Starter Pack
RB
contained_in
Niacin 750 MG Extended Release Tablet [Niaspan]
SCUI
A11267749
C0991594
RO (return to top)
CUI1
AUI1
STYPE1
STR
REL
RELA
STR
STYPE2
AUI2
CUI2
C0724568
A10500929
SCUI
Dextroamphetamine saccharate
RO
has_precise_ingredient
Dextroamphetamine saccharate 5 MG
SCUI
A10507189
C1331036
C1331036
A10507189
SCUI
Dextroamphetamine saccharate 5 MG
RO
precise_ingredient_of
Dextroamphetamine saccharate
SCUI
A10500929
C0724568
C0009033
A10335012
SCUI
Clorazepate Dipotassium
RO
has_precise_ingredient
Clorazepate Dipotassium 11.2 MG
SCUI
A10726248
C1588228
C1588228
A10726248
SCUI
Clorazepate Dipotassium 11.2 MG
RO
precise_ingredient_of
Clorazepate Dipotassium
SCUI
A10335012
C0009033
C0527379
A10339670
SCUI
candesartan cilexetil
RO
has_precise_ingredient
candesartan cilexetil 8 MG
SCUI
A10720012
C1374027
C1374027
A10720012
SCUI
candesartan cilexetil 8 MG
RO
precise_ingredient_of
candesartan cilexetil
SCUI
A10339670
C0527379
C0055573
A10337045
SCUI
choline salicylate
RO
has_precise_ingredient
choline salicylate 200 MG/ML
SCUI
A10430425
C1135058
C1135058
A10430425
SCUI
choline salicylate 200 MG/ML
RO
precise_ingredient_of
choline salicylate
SCUI
A10337045
C0055573
C0059561
A10837061
SCUI
Erythromycin Gluceptate
RO
has_precise_ingredient
Erythromycin Gluceptate 1 MG/ML
SCUI
A11772115
C1829159
C1829159
A11772115
SCUI
Erythromycin Gluceptate 1 MG/ML
RO
precise_ingredient_of
Erythromycin Gluceptate
SCUI
A10837061
C0059561