Medication info
Teloset Tablet 40/5/12.5 mg (Telmisartan, Amlodipine Besylate, Chlorthalidone)

Teloset Tablet 40/5/12.5 mg (Telmisartan, Amlodipine Besylate, Chlorthalidone)

Prescription medication경구
Ingredient · strength
Telmisartan›40mg / 1 tabletAmlodipine Besylate›6.935mg / 1 tabletChlorthalidone›12.5mg / 1 tablet
Manufacturer / importer
동광제약(주)
Appearance
White oval biconvex tablet
Packaging
PTP - 30 tablets/box [10 tablets/PTP × 3]
Approval status
Active

MFDS item code 202600187 · Approved 2026.01.21

Summary

Main use
Improvement of blood pressure control in essential hypertension
Who takes it
Adults
Adult dose
This drug is taken once daily as one tablet with water, regardless of meals. It is recommended to take it at the same time each day (e.g., in the morning). For patients whose blood pressure is not controlled with the combination therapy of Telmisartan and Amlodipine, this drug 40/5/12.5 mg may be administered, and the dosage should be adjusted with intervals of more than 2 weeks based on the patient's blood pressure response. The maximum recommended dosage of this medication is 80/5/25.

Ingredients

Manufacturer
동광제약(주)

Efficacy & effects

Improvement of blood pressure control in essential hypertension

  • Essential hypertension
View approved original text

The combination therapy of Telmisartan and Amlodipine is used to control hypertension. However, if this combination does not adequately control blood pressure in essential hypertension, additional treatment methods or dosage adjustments may be necessary. These medications help lower blood pressure by dilating blood vessels, so it is important to establish a tailored treatment plan according to the patient's condition. Proper blood pressure management can reduce the risk of cardiovascular diseases. Therefore, these drug therapies are used to improve hypertension.

How to take

Adult dose

This drug is taken once daily as one tablet with water, regardless of meals. It is recommended to take it at the same time each day (e.g., in the morning). For patients whose blood pressure is not controlled with the combination therapy of Telmisartan and Amlodipine, this drug 40/5/12.5 mg may be administered, and the dosage should be adjusted with intervals of more than 2 weeks based on the patient's blood pressure response. The maximum recommended dosage of this medication is 80/5/25.

Precautions

This drug should not be used during pregnancy, especially in the second and third trimesters, as it can cause serious harm to the fetus. If pregnancy is confirmed, discontinue use immediately and switch to another safe treatment method. Patients with impaired liver function or progressive liver disease may experience severe side effects such as hepatic encephalopathy while taking this medication, thus caution is required. In patients with severely diminished kidney function, some components of this medication may burden the kidneys, so use should be avoided or administered carefully. Patients with hypersensitivity to any component of this drug, pregnant women, nursing mothers, and patients with severe liver impairment should not be administered this medication. Patients with cardiovascular diseases or electrolyte imbalances, elderly patients, and those with low blood pressure should use this drug with special caution and adjust the dose according to physician instructions. This drug may cause side effects such as dizziness, hypotension, headache, and rash, so if unusual symptoms occur, immediate consultation with medical personnel is necessary. Also, since interactions with other medications may occur, it is essential to inform the healthcare provider of any medications currently being taken, particularly caution should be exercised when combined with lithium, digoxin, non-steroidal anti-inflammatory drugs, etc. This drug has a blood pressure-lowering effect, so if symptoms of hypotension arise, the patient should be laid down and receive intravenous fluids if necessary. While taking this medication, patients should be cautious about drowsiness or dizziness when driving or operating dangerous machinery. In case of overdose, symptoms such as hypotension, arrhythmias, and renal failure may occur, so immediate medical attention is required for appropriate treatment. This drug has not been demonstrated to be safe and effective in children, so its use is not recommended.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweats, pallor, severe rash with high fever, blisters, skin peeling, pain in oral/eye mucosa, dyspnea or difficulty breathing, asthmatic attacks, respiratory abnormalities with cough + fever, jaundice (skin or eyes turning yellow), extreme lethargy, sudden and severe headaches, lightning-like headaches, seizures, confusion, visual disturbances, paralysis, urination issues

Mild side effects

  • Dizziness
  • headache
  • sensory impairment
  • abdominal pain
  • rectal bleeding
  • nausea
  • hemorrhagic gastritis
  • constipation
  • retinal hemorrhage
  • visual disturbances
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  • lethargy
  • dyslipidemia
  • gingivitis
  • chest discomfort
  • chest pain
  • hypokalemia
  • hyponatremia
  • insomnia
  • foreign body sensation
  • musculoskeletal stiffness
  • back pain
  • loss of appetite
  • mild gastrointestinal disturbances
  • vomiting
  • gastric pain
  • diarrhea
  • leukopenia
  • thrombocytopenia
  • purpura
  • increased sweating
  • pruritus
  • allergies
  • fever
  • leg pain

Not everyone experiences these, and they can vary from person to person.

Storage

This drug may be sensitive to light, so it should be stored in a sealed container that blocks light. It is advisable to maintain the storage temperature between 1 degree and 30 degrees Celsius. Proper storage will help maintain the drug's efficacy and safety.

Appearance and packaging

Appearance

White oval biconvex tablet

Package unit

PTP - 30 tablets/box [10 tablets/PTP × 3]

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

Questions about this medicine

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For anything that needs medical judgment, consult a doctor or pharmacist.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.