Propylthiouracil 20mg/5ml oral solution
Requires a prescription from a doctor or prescriber
A thiourea antithyroid agent.
Official documents, adverse reaction reporting, and safety monitoring
Report a side effect
Submit a Yellow Card report to the MHRA
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 Propylthiouracil
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 Propylthiouracil
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.
1 branded products available
WHO defined daily dose (DDD)
100 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
Propylthiouracil
Source: British National Formulary, NICE. Joint Formulary Committee. Contains public sector information licensed under the Open Government Licence v3.0.
NICE clinical guidance(1)
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
77 found
Half-life
2 hours
Mechanism
Propylthiouracil binds to thyroid peroxidase and thereby inhibits the conversion of iodide to iodine.
Food interactions
1 warning
Human targets
2 targets
Data: DrugBank · CC BY-NC 4.0
Pharmacokinetics at a glance
Absorption
Half-life
2 hours
Protein binding
82%
Elimination
35%
Pharmacokinetic data: DrugBank · CC BY-NC 4.0
Known interactions with other medications. Always consult a healthcare professional.
Showing 50 of 825 interactions
How the body processes this drug — absorption, distribution, metabolism, and elimination
Proteins and enzymes this drug interacts with in the body
PMID:12586771 PMID:32718224 PMID:18821722
Catalyzes the deiodination of L-thyroxine (T4) to 3,5,3'-triiodothyronine (T3), 3,3',5'-triiodothyronine (rT3) to 3,3'-diiodothyronine (3,3'-T2) and 3',5'-diiodothyronine (3',5'-T2) to 3'-monoiodothyronine (3'-T1) via outer-ring deiodination (ORD) .
PMID:32718224 PMID:18821722 PMID:12586771 PMID:18339710
Catalyzes the deiodination of T4 to 3,3',5'-triiodothyronine (rT3) via inner-ring deiodination (IRD) .
PMID:32718224
Catalyzes the deiodination of T3 to 3,3'-T2, 3,5-diiodothyronine (3,5-T2) to 3- monoiodothyronine (3-T1) and 3,3'-T2 to 3-T1 via IRD (By similarity). Catalyzes the phenolic ring deiodinations of 3,3',5'-triiodothyronamine and 3',5'-diiodothyronamine .
PMID:18339710
Catalyzes the phenolic ring deiodination of 3,3'-diiodothyronamine and tyrosyl ring deiodinations of 3,5,3'-triiodothyronamine and 3,5-diiodothyronamine (By similarity). Catalyzes the deiodination of L-thyroxine sulfate and 3,3',5-triiodo-L-thyronine sulfate via IRD and of 3,3',5'-triiodo-L-thyronine sulfate via ORD (By similarity)
Enzymes involved in drug metabolism — important for understanding drug interactions
ATC H03BA02
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)
Propylthiouracil
Additional database identifiers
Drugs Product Database (DPD)
9439
ChemSpider
571424
BindingDB
50133597
PDB
3CJ
ZINC
ZINC000004640636
HUGO Gene Nomenclature Committee (HGNC)
HGNC:12015
GenAtlas
TPO
GeneCards
TPO
GenBank Gene Database
J02969
GenBank Protein Database
339867
Guide to Pharmacology
2526
UniProt Accession
PERT_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2883
GeneCards
DIO1
UniProt Accession
IOD1_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:7218
GenAtlas
MPO
GeneCards
MPO
GenBank Gene Database
J02694
GenBank Protein Database
189040
Guide to Pharmacology
2789
UniProt Accession
PERM_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2689
GenAtlas
DBH
GeneCards
DBH
GenBank Gene Database
X13255
GenBank Protein Database
30474
Guide to Pharmacology
2486
UniProt Accession
DOPO_HUMAN
HUGO Gene Nomenclature Committee (HGNC)
HGNC:2595
GeneCards
CYP1A1
GenBank Gene Database
K03191
GenBank Protein Database
181276
Guide to Pharmacology
1318
UniProt Accession
CP1A1_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.
DrugBank citations
If you use DrugBank data in your research, please cite the following publications: