Substance / Medication

Pyrimethamine

Overview

Active Ingredient
pyrimethamine
RxNorm CUI
9010

Indications

Treatment of Toxoplasmosis: Pyrimethamine tablets are indicated for the treatment of toxoplasmosis when used conjointly with a sulfonamide, since synergism exists with this combination.

Labeler: NorthStar Rx LLCUpdated: 2025-04-17T00:00:00.000ZFull label on DailyMed

Contraindications

When this intervention should not be used

Use of pyrimethamine tablets are contraindicated in patients with known hypersensitivity to pyrimethamine or to any component of the formulation. Use of the drug is also contraindicated in patients with documented megaloblastic anemia due to folate deficiency.

Indications & Related Conditions

Conditions associated via SNOMED clinical relationships

Administration & Protocol

Dosing, route, and treatment protocol

Detailed dosage and administration information is available in the full FDA drug label.

View full prescribing information on DailyMed

Monitoring & Follow-Up

Biomarkers relevant to this intervention via related conditions

No monitoring biomarkers have been mapped yet. Biomarker-intervention linkages are derived through related conditions and will expand as the knowledge graph grows.

Clinical Trials

5 trials linked to this intervention

5
Total Trials
1
Recruiting
0
With Results

Research Evidence

Published studies and systematic reviews

Sort:
Meta-analysis on Plasmodium falciparum sulfadoxine-pyrimethamine resistance-conferring mutations in India identifies hot spots for genetic surveillance.
Sinha Abhinav, Kar Sonalika, Chauhan Charu et al. · Int J Antimicrob Agents · 2024
PMID: 38154659Meta-Analysis
Molecular assays for determining sulphadoxine-pyrimethamine drug resistance in India: a systematic review.
Bhullar Shradha, Mishra Neelima · Parasitol Res · 2022
PMID: 35980472Meta-Analysis
Adverse Event Profile of Pyrimethamine-Based Therapy in Toxoplasmosis: A Systematic Review.
Ben-Harari Ruben R, Goodwin Elizabeth, Casoy Julio · Drugs R D · 2017
PMID: 28879584Meta-AnalysisFull text (PMC)

Research data from MEDLINE/PubMed

Benefits & Expected Outcomes

Benefits, expected outcomes, efficacy data, and NNT (Number Needed to Treat) are pending physician authorship and evidence review.

Risks & Side Effects

Adverse reaction and safety data for this drug is sourced from the FDA-approved label.

View adverse reactions & drug interactions on DailyMed

Related Symptoms

Symptoms associated with conditions this intervention addresses

No related symptoms have been mapped yet. Symptom linkages are derived through associated conditions.

Alternatives & Comparisons

Alternative treatments, comparison data, and clinical decision support are pending physician authorship.

Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.

Do not start, stop, or change any treatment without consulting your healthcare provider.

Quick Facts

Type
Substance / Medication
Fully Specified Name
Pyrimethamine (substance)
SNOMED CT
373769001
UMLS CUI
C0034283
RxNorm CUI
9010
Labeler
NorthStar Rx LLC

Clinical Data

This intervention maps to 4 entities in the Healos knowledge graph.

4
Conditions
0
Biomarkers
0
Specialists
0
Symptoms
5
Clinical Trials

Data is sourced from SNOMED CT, UMLS, and the Healos clinical knowledge graph. Content sections marked as pending require physician authorship. Consult a healthcare provider before starting any treatment.