Triprolidine
RESPIRATORY SYSTEM
Also known as: actidil, triprolidin, triprolidine HCl, triprolidine hydrochloride, tripyrolidine
Data last refreshed: (DrugCentral release 2024-11-01)
Key facts
Triprolidine is an ofp drug catalogued in DrugCentral. It was first approved by the FDA in 1983. DrugCentral lists 2 molecular targets, including HRH1 and HRH1. Recorded indications include Allergic conjunctivitis, Allergic rhinitis, Common cold and Dermatographic urticaria.
- Approval status: ofp (first approved 1983 by the FDA).
- Molecular targets: HRH1 and HRH1 (2 listed in DrugCentral).
- Indications: Allergic conjunctivitis, Allergic rhinitis, Common cold, Dermatographic urticaria and Itching of skin and others.
- ATC code: R06AX07 (Other antihistamines for systemic use).
- Molecular formula: C19H22N2; molecular weight 278.40 g/mol.
Indications & contraindications
Drug–disease relationships curated by DrugCentral (OMOP / SNOMED concepts).
Indications (9)
- Allergic conjunctivitis
- Allergic rhinitis
- Common cold
- Dermatographic urticaria
- Itching of skin
- Nasal discharge
- Seasonal allergic rhinitis
- Urticaria
- Vasomotor rhinitis
Contraindications (52)
- Acidosis
- Acute abdominal pain
- Acute exacerbation of asthma
- Acute hepatitis
- Acute pancreatitis
- Angle-closure glaucoma
- Arterial thrombosis
- Arteriosclerotic vascular disease
- Asthenia
- Benign intracranial hypertension
- Benign prostatic hyperplasia
- Bladder outflow obstruction
- Bradycardia
- Central nervous system depression
- Chronic disease of respiratory system
- Chronic heart failure
- Chronic idiopathic constipation
- Conduction disorder of the heart
- Coronary arteriosclerosis
- Decreased respiratory function
- Dependent drug abuse
- Diabetes mellitus
- Disease of liver
- Disorder of coronary artery
- Disorder of gallbladder
- Drug AND/OR toxin-induced diarrhea
- Dysfunction of sphincter of Oddi
- Epilepsy
- Hypertensive disorder
- Hypertensive urgency
- + 22 more
Mechanism & targets
Molecular targets (2)
| Target | Gene | Action | Activity |
|---|---|---|---|
| Histamine H1 receptor | HRH1 | antagonist | Ki 9.90 |
| Histamine H1 receptor | HRH1 | unknown | Kd 9.90 |
Regulatory approvals (1)
| Date | Agency | Marketed as | Applicant | Orphan |
|---|---|---|---|---|
| 1983-05-17 | FDA | — | SANDOZ |
ATC classification
| ATC code | Therapeutic hierarchy |
|---|---|
R06AX07 | RESPIRATORY SYSTEM › ANTIHISTAMINES FOR SYSTEMIC USE › ANTIHISTAMINES FOR SYSTEMIC USE › Other antihistamines for systemic use |
Reported adverse-event signals
Strongest FDA FAERS disproportionality signals (log-likelihood ratio). A signal is a statistical association in spontaneous reports, not proof that the drug causes the event.
| MedDRA term | LLR |
|---|---|
| Ulcer haemorrhage | 314.8 |
| Pulmonary fibrosis | 189.8 |
| Type 2 diabetes mellitus | 185.3 |
| Psoriatic arthropathy | 173.6 |
| Injury | 170.4 |
| Oedema | 168.9 |
| Liver injury | 160.9 |
| Pericarditis | 151.8 |
| Mobility decreased | 143.4 |
| Sleep disorder | 138.0 |
| Migraine | 132.8 |
| Pemphigus | 131.0 |
Chemical structure
Full physicochemical, ADMET and 3D-structure analysis of Triprolidine is on its molecule page.
| Molecular formula | C19H22N2 |
|---|---|
| Molecular weight | 278.40 g/mol |
| CAS number | — |
| InChIKey | CBEQULMOCCWAQT-WOJGMQOQSA-N |
| PubChem CID | 5282443 |
Frequently asked questions
Answers are generated from the structured data on this page, not written by hand.
What is Triprolidine used for?
DrugCentral lists the following indications for Triprolidine: Allergic conjunctivitis, Allergic rhinitis, Common cold, Dermatographic urticaria, Itching of skin, Nasal discharge, Seasonal allergic rhinitis and Urticaria and others.
How does Triprolidine work?
Its molecular targets in DrugCentral include HRH1 (antagonist) and HRH1.
When was Triprolidine first approved?
Triprolidine was first approved by the FDA in 1983.
What is the chemical formula of Triprolidine?
Triprolidine has the molecular formula C19H22N2 and a molecular weight of 278.40 g/mol.
Browse: all drugs starting with T · drug guides by category · protein targets A–Z.
Sources
- DrugCentral drug card 2763 — structure, indications, targets, approvals, pharmacologic classes (CC BY-SA 4.0)
- ChEMBL CHEMBL3188034 — compound record and bioactivity
- PubChem CID 5282443 — chemical identifiers
- DrugBank DB00427 — drug record
- FDA UNII 2L8T9S52QM — substance identity
- DailyMed: FDA labels for Triprolidine — current prescribing information (label search)
- UniProt P35367 (HRH1) — target protein
- FDA Adverse Event Reporting System (openFDA FAERS) — adverse-event signals, as aggregated by DrugCentral
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