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Trimetazidine Dihydrochloride: Uses, Dosage, Side Effects | MedexInfo

Trimetazidine Dihydrochloride: Uses, Dosage, Side Effects & Brands | MedexInfo

Trimetazidine Dihydrochloride

Rx
Generic NameTrimetazidine Dihydrochloride
Therapeutic ClassMetabolic Antianginal Agent
Common Strength20 mg, 35 mg tablet
Max / 24h70 mg
PregnancyUse if benefit outweighs risk
Indications ▼
Stable angina pectoris (as adjunct to standard therapy)
Ischemic heart disease with limited exercise tolerance
Vertigo, tinnitus, or visual disturbances associated with ischemia
Mechanism & Pharmacokinetics ▼
Mechanism: Trimetazidine improves myocardial glucose utilization by inhibiting fatty acid oxidation, thus maintaining energy production under ischemic conditions. It has a cytoprotective effect on myocardial cells.
Pharmacokinetics: Well absorbed orally. Peak plasma concentration in 1–2 hours. Minimal metabolism. Excreted mainly via urine. Half-life ~6 hours.
Dosage & Administration ▼
IndicationDoseFrequency
Adults (Stable Angina)20 mg3 times daily or 35 mg twice daily
Elderly / renal impairmentAdjust doseAs directed by physician
Note: Continue standard antianginal therapy; trimetazidine is adjunctive.
Side Effects ▼
Nausea, vomiting
Abdominal discomfort
Headache, dizziness
Rare: Parkinsonism, tremor, restlessness
Skin rash or allergic reaction (rare)
Contraindications ▼
Hypersensitivity to trimetazidine
Parkinson’s disease or movement disorders
Severe renal impairment (dose adjustment required)
Drug Interaction ▼
Other antianginal agents: generally safe as adjunct
Drugs affecting CNS dopamine: caution in Parkinson’s disease
Pregnancy & Lactation ▼
Limited data in humans; use only if clearly indicated
Caution advised during breastfeeding
Clinical / Research Summary ▼
Clinical Role: Adjunct metabolic therapy for angina; protects myocardium under ischemic conditions.
Advantage: Improves exercise tolerance and reduces angina attacks.
Limitation: Not a first-line antianginal; cannot replace standard therapy.
Monitoring: Symptom improvement, movement disorders in long-term use.
Patient Counseling Points ▼
Take with meals to reduce GI discomfort
Report tremors, restlessness, or abnormal movements
Continue other prescribed antianginal medications
Storage & Handling ▼
Store below 30°C
Protect from moisture and light
Keep out of reach of children
Medical Disclaimer: For educational purposes only. Not a substitute for professional medical advice.

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