Sumatriptan 100mg tablets
Requires a prescription from a doctor or prescriber
Analgesics
Genetic variations that may affect drug response
1 known genetic variation may influence how your body responds to Sumatriptan 100mg tablets.Gene involved: GNB3
These are known genetic variations. They don't mean the medicine won't work for you — speak to your doctor or a pharmacogenomics specialist for personalised advice. Source: DrugBank (CC BY-NC 4.0).
Official documents, adverse reaction reporting, and safety monitoring
Report a side effect
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Official medicine documents
Safety monitoring data
Yellow Card reports
The MHRA Yellow Card scheme collects reports of suspected side effects from healthcare professionals and patients. View the Drug Analysis Profile (iDAP) for real-world adverse reaction data.
View Drug Analysis Profile
Suspected adverse reactions reported for Sumatriptan
Browse all iDAP reports
Interactive Drug Analysis Profiles for all medicines
Report a side effect
Submit a Yellow Card report to the MHRA
Data from the MHRA Yellow Card scheme. A reported reaction does not necessarily mean the medicine caused it. Contains public sector information licensed under the Open Government Licence v3.0.
EudraVigilance
The European Medicines Agency (EMA) collects suspected adverse reaction reports from across the EU/EEA through the EudraVigilance system. Search for safety data on this medicine.
View EudraVigilance report
Suspected adverse reactions reported for Sumatriptan
About EudraVigilance
Learn about EU pharmacovigilance and safety monitoring
EudraVigilance data is published by the European Medicines Agency (EMA). A suspected adverse reaction is not necessarily caused by the medicine.
45 branded products available
Part of the Imigran brand family (generic: Sumatriptan)
MHRA licensed products
View all licensed products for Sumatriptan on the MHRA register
Imigran 100mg tablets
Imigran 100mg tablets
Imigran 100mg tablets
Imigran Radis 100mg tablets
Imigran Radis 100mg tablets
Sumatriptan 100mg tablets
Sumatriptan 100mg tablets
Sumatriptan 100mg tablets
Sumatriptan 100mg tablets
Sumatriptan 100mg tablets
Sumatriptan 100mg tablets
Sumatriptan 100mg tablets
This is the NHS Drug Tariff indicative price used for reimbursement purposes. It may not reflect the price paid by patients or pharmacies.
View full Drug TariffSource: NHS Drug Tariff via NHSBSA. Derived from dm+d VMPP (Virtual Medicinal Product Pack) pricing data. Contains public sector information licensed under the Open Government Licence v3.0.
WHO defined daily dose (DDD)
50 mg
Not a recommended dose. The DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults. It is a statistical measure used for research and comparison purposes only.
Source: WHO Collaborating Centre for Drug Statistics Methodology, distributed via NHS dm+d BNF mapping files. Contains public sector information licensed under the Open Government Licence v3.0.
Therapeutically similar medicines
Similarity based on WHO Anatomical Therapeutic Chemical (ATC) classification and NHS BNF section grouping. Source data: NHS dm+d via TRUD (OGL v3.0), WHO ATC/DDD Index.
NHS prescribing volume and spending trends
Clinical guidelines and formulary information
British National Formulary
Sumatriptan
Source: British National Formulary, NICE. Joint Formulary Committee. Contains public sector information licensed under the Open Government Licence v3.0.
NICE clinical guidance(3)
Headaches in over 12s: diagnosis and management (CG150)
gammaCore for cluster headache (HTG533)
Headaches in over 12s (QS42)
Source: National Institute for Health and Care Excellence (NICE). Contains public sector information licensed under the Open Government Licence v3.0.
Check stock at pharmacies and supply information
Pharmacy stock checkers
Search for this medicine at major UK pharmacy chains. These links open the retailer's own website — results depend on their current online catalogue.
Supply & product information
Official product databases and supply status monitoring
Pharmacy links redirect to the retailer's own search and do not represent real-time stock levels. emc (electronic medicines compendium) is operated by Datapharm Ltd. Shortage information sourced from NHS Specialist Pharmacy Service (SPS), sps.nhs.uk.
Codes for healthcare professionals and prescribing systems
These codes are used by healthcare IT systems and prescribers to identify this medicine.
NHS UK identifiers
Browse tools
SNOMED CT and dm+d codes from NHS TRUD (Technology Reference data Update Distribution), licensed under the Open Government Licence v3.0. BNF codes from NHS Business Services Authority (NHSBSA). ATC codes from the WHO Collaborating Centre for Drug Statistics Methodology (whocc.no).
Active and completed clinical studies from ClinicalTrials.gov
Source: ClinicalTrials.gov, a database of the U.S. National Library of Medicine (NLM), National Institutes of Health (NIH). Data accessed via ClinicalTrials.gov API v2. Trial information is provided for research purposes and does not constitute medical advice.
Pharmacology and chemical data from DrugBank
Key facts
Drug status
Approved
Major interactions
30 found
Half-life
1.9h
Mechanism
Sumatriptan is an agonist of 5-HT1B and 5-HT1D.
Food interactions
2 warnings
Human targets
4 targets
Data: DrugBank · CC BY-NC 4.0
Pharmacokinetics at a glance
Absorption
6mg
Half-life
1.9h
[A179737]…
Protein binding
14%
[L6793][L6796][L6799][L6805][L6808][L6811]
Volume of distribution
8L
[L6811]
Metabolism
[L6799][L6811][L6805][L6811][L6793][L6808]…
Elimination
4%
[L6811][L6793]…
Clearance
0.22L
[A179737]…
Pharmacokinetic data: DrugBank · CC BY-NC 4.0
[L6793]
Sumatriptan nasal powder, nasal spray, subcutaneous injection, and tablets are indicated to treat migraines with or without auras in adults.
[L6796][L6799][L6805][L6808][L6811]
One of the subcutaneous formulations of sumatriptan is also indicated to treat cluster headaches in adults[L6805], while the other subcutaneous formulation is not.
[L6808]
Known interactions with other medications. Always consult a healthcare professional.
Showing 50 of 1785 interactions
[L6793][L6796][L6799][L6805][L6808][L6811]
Overdoses may be fatal and patients should be monitored for 3-5 half lives or while symptoms persist.
[L6793][L6796][L6799][L6805][L6808][L6811]
How the body processes this drug — absorption, distribution, metabolism, and elimination
[A179737]
A 25mg oral dose of sumatriptan reaches a Cmax of 16.5ng/mL (95% CI of 13.5-20.1ng/mL) with a Tmax of 1.50h (95% CI of 0.50-2.00h), an AUC of 8.7h\*ng/mL (95% CI of 6.1-12.5h\*ng/mL), and a bioavailability of 14.3% (95% CI of 11.4-17.9%).
[A179737]
A 20mg intranasal dose of sumatriptan reaches a Cmax of 12.9ng/mL (95% CI of 10.5-15.9ng/mL) with a Tmax of 1.50h (95% CI of 0.25-3.00h), an AUC of 7.4h\*ng/mL (95% CI of 5.0-10.8h\*ng/mL), and a bioavailability of 15.8% (95% CI of 12.6-19.8%).
[A179737]
A 25mg rectal dose of sumatriptan reaches a Cmax of 22.9ng/mL (95% CI of 18.4-28.6ng/mL) with a Tmax of 1.00h (95% CI of 0.75-3.00h), an AUC of 14.6h\*ng/mL (95% CI of 11.3-18.8h\*ng/mL), and a bioavailability of 19.2% (95% CI of 15.3-24.1%).
[A179737]
[A179737]
Oral sumatriptan has a half life of 1.7h (95% CI of 1.4-1.9h).
[A179737]
Rectal sumatriptan has a half life of 1.8h (95% CI of 1.6-2.2h).
[A179737]
Intranasal sumatriptan has a half life of 1.8h (95% CI of 1.7-2.0h).
[A179737]
[L6793][L6796][L6799][L6805][L6808][L6811]
[L6811]
[L6799][L6811][L6805][L6811][L6793][L6808]
The main metabolites are the inactive indole acetic acid and indole acetic acid glucuronide.
[L6799][L6811][L6805][L6811][L6793][L6808]
[L6811][L6793]
[A179737]
Oral sumatriptan has a clearance of 0.17L/min (95% CI of 0.14-0.21L/min).
[A179737]
Rectal sumatriptan has a clearance of 0.17L/min (95% CI of 0.14-0.21L/min).
[A179737]
Intranasal sumatriptan has a clearance of 0.21L/min (95% CI of 0.18-0.25L/min).
[A179737]
Total plasma clearance of sumatriptan is approximately 1200mL/min.
[L6796]
Proteins and enzymes this drug interacts with in the body
PMID:22957663 PMID:3138543 PMID:33762731 PMID:37935376 PMID:37935377 PMID:8138923 PMID:8393041
Also functions as a receptor for various drugs and psychoactive substances .
PMID:22957663 PMID:3138543 PMID:33762731 PMID:38552625 PMID:8138923 PMID:8393041
Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of downstream effectors, such as adenylate cyclase .
PMID:22957663 PMID:3138543 PMID:33762731 PMID:8138923 PMID:8393041
HTR1A is coupled to G(i)/G(o) G alpha proteins and mediates inhibitory neurotransmission: signaling inhibits adenylate cyclase activity and activates a phosphatidylinositol-calcium second messenger system that regulates the release of Ca(2+) ions from intracellular stores .
PMID:33762731 PMID:35610220
Beta-arrestin family members regulate signaling by mediating both receptor desensitization and resensitization processes .
PMID:18476671 PMID:20363322 PMID:20945968
Plays a role in the regulation of 5-hydroxytryptamine release and in the regulation of dopamine and 5-hydroxytryptamine metabolism .
PMID:18476671 PMID:20363322 PMID:20945968
Plays a role in the regulation of dopamine and 5-hydroxytryptamine levels in the brain, and thereby affects neural activity, mood and behavior .
PMID:18476671 PMID:20363322 PMID:20945968
Plays a role in the response to anxiogenic stimuli PMID:18476671 PMID:20363322 PMID:20945968
PMID:10452531 PMID:1565658 PMID:1652050 PMID:33762731
Also functions as a receptor for ergot alkaloid derivatives, various anxiolytic and antidepressant drugs and other psychoactive substances .
PMID:10452531 PMID:1565658 PMID:1652050 PMID:33762731
Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of downstream effectors, such as adenylate cyclase .
PMID:10452531 PMID:1565658 PMID:1652050 PMID:33762731
HTR1D is coupled to G(i)/G(o) G alpha proteins and mediates inhibitory neurotransmission by inhibiting adenylate cyclase activity .
PMID:33762731
Regulates the release of 5-hydroxytryptamine in the brain, and thereby affects neural activity .
PMID:18476671 PMID:20945968
May also play a role in regulating the release of other neurotransmitters .
PMID:18476671 PMID:20945968
May play a role in vasoconstriction PMID:18476671 PMID:20945968
PMID:10452531 PMID:1315531 PMID:1328844 PMID:1348246 PMID:1351684 PMID:1559993 PMID:1565658 PMID:1610347 PMID:23519210 PMID:23519215 PMID:29925951 PMID:8218242
Also functions as a receptor for ergot alkaloid derivatives, various anxiolytic and antidepressant drugs and other psychoactive substances, such as lysergic acid diethylamide (LSD) .
PMID:23519210 PMID:23519215 PMID:29925951
Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of downstream effectors, such as adenylate cyclase .
PMID:10452531 PMID:1315531 PMID:1328844 PMID:1348246 PMID:1351684 PMID:1559993 PMID:1565658 PMID:1610347 PMID:23519210 PMID:23519215 PMID:29925951 PMID:8218242
HTR1B is coupled to G(i)/G(o) G alpha proteins and mediates inhibitory neurotransmission by inhibiting adenylate cyclase activity .
PMID:29925951 PMID:35610220
Arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways .
PMID:29925951
Regulates the release of 5-hydroxytryptamine, dopamine and acetylcholine in the brain, and thereby affects neural activity, nociceptive processing, pain perception, mood and behavior .
PMID:18476671 PMID:20945968
Besides, plays a role in vasoconstriction of cerebral arteries PMID:15853772
PMID:21422162 PMID:34239069 PMID:8380639 PMID:8384716
Also functions as a receptor for various alkaloids and psychoactive substances .
PMID:21422162 PMID:8380639 PMID:8384716
Receptor for lasmiditan, a drug for the treatment of acute migraine .
PMID:34239069
Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of downstream effectors, such as adenylate cyclase .
PMID:34239069
HTR1F is coupled to G(i)/G(o) G alpha proteins and mediates inhibitory neurotransmission by inhibiting adenylate cyclase activity PMID:34239069 PMID:35610220
Enzymes involved in drug metabolism — important for understanding drug interactions
Proteins that transport this drug across cell membranes
PMID:19129463 PMID:7557095
Responsible for intestinal absorption of bile acids (By similarity). Transports dehydroepiandrosterone 3-sulfate (DHEAS), a major circulating steroid secreted by the adrenal cortex, as well as estrone 3-sulfate and 17beta-estradiol 17-O-(beta-D-glucuronate) .
PMID:11159893 PMID:12568656 PMID:19129463 PMID:23918469 PMID:25560245 PMID:9539145
Mediates apical uptake of all-trans-retinol (atROL) across human retinal pigment epithelium, which is essential to maintaining the integrity of the visual cycle and thus vision .
PMID:25560245
Involved in the uptake of clinically used drugs .
PMID:17301733 PMID:20686826 PMID:27777271
Capable of thyroid hormone transport (both T3 or 3,3',5'-triiodo-L-thyronine, and T4 or L-tyroxine) .
PMID:19129463 PMID:20358049
Also transports prostaglandin E2 .
PMID:19129463
Plays roles in blood-brain and -cerebrospinal fluid barrier transport of organic anions and signal mediators, and in hormone uptake by neural cells (By similarity). May also play a role in the reuptake of neuropeptides such as substance P/TAC1 and vasoactive intestinal peptide/VIP released from retinal neurons .
PMID:25132355
May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drugs methotrexate and paclitaxel .
PMID:23243220
Shows a pH-sensitive substrate specificity which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment .
PMID:19129463
Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions .
PMID:19129463
May contribute to regulate the transport of organic compounds in testis across the blood-testis-barrier (Probable)
PMID:2897240 PMID:35970996 PMID:8898203 PMID:9038218 PMID:35507548
Catalyzes the flop of phospholipids from the cytoplasmic to the exoplasmic leaflet of the apical membrane. Participates mainly to the flop of phosphatidylcholine, phosphatidylethanolamine, beta-D-glucosylceramides and sphingomyelins .
PMID:8898203
Energy-dependent efflux pump responsible for decreased drug accumulation in multidrug-resistant cells PMID:2897240 PMID:35970996 PMID:9038218
PMID:11306452 PMID:12958161 PMID:19506252 PMID:20705604 PMID:28554189 PMID:30405239 PMID:31003562
Involved in porphyrin homeostasis, mediating the export of protoporphyrin IX (PPIX) from both mitochondria to cytosol and cytosol to extracellular space, it also functions in the cellular export of heme .
PMID:20705604 PMID:23189181
Also mediates the efflux of sphingosine-1-P from cells .
PMID:20110355
Acts as a urate exporter functioning in both renal and extrarenal urate excretion .
PMID:19506252 PMID:20368174 PMID:22132962 PMID:31003562 PMID:36749388
In kidney, it also functions as a physiological exporter of the uremic toxin indoxyl sulfate (By similarity). Also involved in the excretion of steroids like estrone 3-sulfate/E1S, 3beta-sulfooxy-androst-5-en-17-one/DHEAS, and other sulfate conjugates .
PMID:12682043 PMID:28554189 PMID:30405239
Mediates the secretion of the riboflavin and biotin vitamins into milk (By similarity). Extrudes pheophorbide a, a phototoxic porphyrin catabolite of chlorophyll, reducing its bioavailability (By similarity).
Plays an important role in the exclusion of xenobiotics from the brain (Probable). It confers to cells a resistance to multiple drugs and other xenobiotics including mitoxantrone, pheophorbide, camptothecin, methotrexate, azidothymidine, and the anthracyclines daunorubicin and doxorubicin, through the control of their efflux .
PMID:11306452 PMID:12477054 PMID:15670731 PMID:18056989 PMID:31254042
In placenta, it limits the penetration of drugs from the maternal plasma into the fetus (By similarity). May play a role in early stem cell self-renewal by blocking differentiation (By similarity).
In inflammatory macrophages, exports itaconate from the cytosol to the extracellular compartment and limits the activation of TFEB-dependent lysosome biogenesis involved in antibacterial innate immune response
PMID:10358072 PMID:15159445 PMID:17412826
Shows broad substrate specificity, can transport both organic anions such as bile acid taurocholate (cholyltaurine) and conjugated steroids (dehydroepiandrosterone 3-sulfate, 17-beta-glucuronosyl estradiol, and estrone 3-sulfate), as well as eicosanoids (prostaglandin E2, thromboxane B2, leukotriene C4, and leukotriene E4), and thyroid hormones (T4/L-thyroxine, and T3/3,3',5'-triiodo-L-thyronine) .
PMID:10358072 PMID:10601278 PMID:10873595 PMID:11159893 PMID:12196548 PMID:12568656 PMID:15159445 PMID:15970799 PMID:16627748 PMID:17412826 PMID:19129463 PMID:26979622
Can take up bilirubin glucuronides from plasma into the liver, contributing to the detoxification-enhancing liver-blood shuttling loop .
PMID:22232210
Involved in the clearance of endogenous and exogenous substrates from the liver .
PMID:10358072 PMID:10601278
Transports coproporphyrin I and III, by-products of heme synthesis, and may be involved in their hepatic disposition .
PMID:26383540
May contribute to regulate the transport of organic compounds in testes across the blood-testis-barrier (Probable). Can transport HMG-CoA reductase inhibitors (also known as statins), such as pravastatin and pitavastatin, a clinically important class of hypolipidemic drugs .
PMID:10601278 PMID:15159445 PMID:15970799
May play an important role in plasma and tissue distribution of the structurally diverse chemotherapeutic drug methotrexate .
PMID:23243220
May also transport antihypertension agents, such as the angiotensin-converting enzyme (ACE) inhibitor prodrug enalapril, and the highly selective angiotensin II AT1-receptor antagonist valsartan, in the liver .
PMID:16624871 PMID:16627748
Shows a pH-sensitive substrate specificity towards prostaglandin E2 and T4 which may be ascribed to the protonation state of the binding site and leads to a stimulation of substrate transport in an acidic microenvironment .
PMID:19129463
Hydrogencarbonate/HCO3(-) acts as the probable counteranion that exchanges for organic anions PMID:19129463
ATC N02CC01
ATC G01AE10
ATC N02CC51
Chemical identifiers
CAS, UNII, InChI Key and database cross-references
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Chemical identifiers
CAS, UNII, InChI Key and database cross-references
Linked compound data from DrugBank Open Data (CC BY-NC 4.0)
Sumatriptan
Additional database identifiers
Drugs Product Database (DPD)
11323
ChemSpider
5165
BindingDB
50005835
Guide to Pharmacology
119
ZINC
ZINC000000014360
HUGO Gene Nomenclature Committee (HGNC)
HGNC:5286
GenAtlas
HTR1A
GeneCards
HTR1A
GenBank Gene Database
M28269
GenBank Protein Database
189928
Guide to Pharmacology
1
UniProt Accession
5HT1A_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:5289
GenAtlas
HTR1D
GeneCards
HTR1D
GenBank Gene Database
M89955
GenBank Protein Database
177772
Guide to Pharmacology
3
UniProt Accession
5HT1D_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:5287
GenAtlas
HTR1B
GeneCards
HTR1B
GenBank Gene Database
D10995
GenBank Protein Database
219679
Guide to Pharmacology
2
UniProt Accession
5HT1B_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:5292
GenAtlas
HTR1F
GeneCards
HTR1F
GenBank Gene Database
L05597
GenBank Protein Database
307420
Guide to Pharmacology
5
UniProt Accession
5HT1F_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:6833
GenAtlas
MAOA
GeneCards
MAOA
GenBank Gene Database
M68840
GenBank Protein Database
187353
Guide to Pharmacology
2489
UniProt Accession
AOFA_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10956
GeneCards
SLCO1A2
GenBank Gene Database
U21943
GenBank Protein Database
885978
Guide to Pharmacology
1219
UniProt Accession
SO1A2_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:40
GenAtlas
ABCB1
GeneCards
ABCB1
GenBank Gene Database
M14758
GenBank Protein Database
307180
Guide to Pharmacology
768
UniProt Accession
MDR1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:74
GenAtlas
ABCG2
GeneCards
ABCG2
GenBank Gene Database
AF103796
GenBank Protein Database
4185796
Guide to Pharmacology
792
UniProt Accession
ABCG2_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:10959
GenAtlas
SLCO1B1
GeneCards
SLCO1B1
GenBank Gene Database
AF060500
GenBank Protein Database
5051630
Guide to Pharmacology
1220
UniProt Accession
SO1B1_HUMAN
International reference pricing
Reference pricing from DrugBank. Prices are indicative and may not reflect current UK costs.
Source: DrugBank. Used under CC BY-NC 4.0 academic licence for non-commercial purposes.
Patent information
34 active patents, 32 expired
Source: DrugBank · CC BY-NC 4.0. Patent data sourced from national patent offices. Expiry dates may not reflect extensions, regulatory exclusivity periods, or legal challenges.
DrugBank citations
If you use DrugBank data in your research, please cite the following publications: