Trimetazidine

What is Trimetazidine

Trimetazidine is a medication often used to support heart health when oxygen supply to the heart muscle becomes insufficient. It belongs to a class of metabolic agents that help the heart work more efficiently under stress. Doctors prescribe Trimetazidine to reduce chest pain and improve tolerance to physical activity when blood flow to the heart is reduced.

Trimetazidine used for

• Prevention and management of chronic stable angina (recurrent chest pain due to coronary artery disease).

• As an add‑on therapy when first‑line anti-anginal medicines are inadequate or not tolerated.

• In some cases, to support heart muscle function during ischemia (low blood supply).

Chemical composition

Trimetazidine is a small-molecule drug whose active moiety works by interfering with the heart’s usual energy metabolism. It inhibits the enzyme long‑chain 3‑ketoacyl‑CoA thiolase (3‑KAT), reducing fatty acid oxidation and promoting glucose oxidation. This shift helps heart cells generate energy more efficiently, especially when oxygen is limited.

Trimetazidine Mechanism

When the heart experiences reduced blood flow or oxygen supply, normal fatty-acid metabolism demands high oxygen levels. By blocking 3-KAT, Trimetazidine lowers reliance on fatty acids and increases glucose breakdown for energy. This process preserves ATP production, reduces acid buildup and calcium overload in cells, and helps maintain ionic balance — protecting heart muscle cells from damage during ischemic stress.

How it helps recover from ischemic stress

With Trimetazidine, the heart can withstand periods of low oxygen better. The improved metabolic efficiency helps sustain energy supply, preserving heart muscle function even when blood flow is compromised. Over time, this can reduce the frequency of angina attacks and improve exercise tolerance in patients with coronary artery disease.

What are the other benefits?

• Trimetazidine does not significantly alter heart rate or blood pressure, unlike many conventional anti-anginal drugs.

• It offers an alternative for patients who cannot tolerate standard anti-anginal medicines.

• In some cases, it may improve quality of life by reducing chest pain frequency and improving daily activity levels.

---

Dosages

Available strengths or dosage

Trimetazidine is commonly available in tablet form. The typical dosages are: 20 mg (immediate-release) taken three times daily, or 35 mg (modified-release) taken twice daily. Some formulations offer 80 mg modified-release tablets for once-daily dosing in certain regions.

How and when to take it

Take Trimetazidine orally, ideally with meals, and swallow the tablet whole with a glass of water.
If you take 20 mg tablets, they are usually taken three times a day. For 35 mg modified-release tablets, twice daily dosing is typical.
Follow your doctor’s instructions strictly. Do not crush or chew the tablets.

Overdose caution

Overdose of Trimetazidine may increase side effects, especially neurological symptoms or movement-related issues.
If someone takes more than the prescribed dose, seek immediate medical attention. Do not attempt to manage overdose on your own.

---

Who can use/take Trimetazidine?

Trimetazidine is intended for adult patients — particularly those with angina pectoris or chronic coronary artery disease who need additional therapy.
It is not recommended for children.
Use with caution (or avoid) in people with severe kidney impairment.
Patients with a history of movement disorders (such as Parkinson’s disease), tremors, restless leg syndrome or similar conditions should avoid this medicine.
Always consult a doctor before starting, especially if you have other health conditions or take other medicines.

---

Trimetazidine: Side Effects & Precautions

What are the side effects?

Common side effects may include:

• Dizziness or lightheadedness

• Headache

• Nausea, indigestion, abdominal discomfort or vomiting

• Fatigue, weakness or general discomfort

Rare but serious side effects may include movement disorders — such as tremors, rigidity, gait instability or other parkinsonian‑like symptoms — especially in older patients or those already at risk.

What are the Precautions to avoid side effects?

• Do not use Trimetazidine if you have severe kidney disease or a diagnosed movement disorder.

• Inform your doctor about all other health conditions and medicines you take.

• If you feel dizzy or drowsy after taking the medicine — avoid driving or operating heavy machinery.

• Pregnant or breastfeeding women should consult their physician before using this drug.

---

Trimetazidine helps many patients with stable angina and heart stress by improving the heart’s energy metabolism and reducing the burden on oxygen‑starved cells. Consult your doctor before using this medicine. Order safely online only after prescription.