Medication info
Selmisartan 20mg Tablets (Telmisartan)

Selmisartan 20mg Tablets (Telmisartan)

Prescription medicationTablet경구
Ingredient · strength
Telmisartan›20mg / 1 tablet
Manufacturer / importer
(주)셀트리온제약
Appearance
White round tablet
Packaging
30 tablets/bottle
Approval status
Active

MFDS item code 202501998 · Approved 2025.07.31 · Insurance code 693904060

Summary

Main use
Treatment of essential hypertension and reduction of cardiovascular disease risk
Who takes it
Adults
Adult dose
1. Essential Hypertension Administer 40 mg of Telmisartan orally once daily with water, and it can be taken regardless of meals. For some patients, a dose of 20 mg once daily may be effective. If necessary, the dose may be increased to 80 mg once daily. Maximum antihypertensive effects will be observed 4 to 8 weeks after starting the treatment when increasing the dosage. 2. Reduction of Cardiovascular Disease Risk Administer this medication as 80 mg orally once daily with water as recommended, and it can be taken regardless of meals.

Ingredients

Manufacturer
(주)셀트리온제약

Efficacy & effects

Treatment of essential hypertension and reduction of cardiovascular disease risk

  • Essential hypertension
  • coronary artery disease
  • peripheral arterial disease
  • stroke
  • transient ischemic attacks
  • evidence of clinical damage to target organs in high-risk diabetes
  • myocardial infarction
View approved original text

This medication helps to control blood pressure in patients with essential hypertension. It is also used to reduce the risk of myocardial infarction, stroke, and death due to cardiovascular disease in patients over the age of 55 with a high risk of cardiovascular disease, such as those with a history of coronary artery disease, peripheral arterial disease, stroke, or transient ischemic attacks, or those with high-risk diabetes resulting in damage to target organs. This medication can be an alternative for patients who cannot use ACE inhibitors. It is effective in protecting cardiovascular health and preventing related complications.

How to take

Adult dose

1. Essential Hypertension Administer 40 mg of Telmisartan orally once daily with water, and it can be taken regardless of meals. For some patients, a dose of 20 mg once daily may be effective. If necessary, the dose may be increased to 80 mg once daily. Maximum antihypertensive effects will be observed 4 to 8 weeks after starting the treatment when increasing the dosage. 2. Reduction of Cardiovascular Disease Risk Administer this medication as 80 mg orally once daily with water as recommended, and it can be taken regardless of meals.

Precautions

This medication can cause serious harm to the fetus, especially during the second and third trimesters of pregnancy, so it should be discontinued immediately if pregnancy is confirmed. Patients with allergies to this medication or its ingredients, women who are pregnant or breastfeeding, and individuals with severe liver disease or problems with bile excretion should not take this medication. Patients with hereditary angioedema or a history of angioedema, those with diabetes or severe renal impairment should also refrain from using this medication. Elderly patients, those with hyperkalemia, mild to moderate liver impairment, valvular heart disease, gastrointestinal disease, renal artery hypertension, severe renal impairment, etc. should use this medication cautiously. Regular check-ups are required during the use of this medication as adverse reactions such as blood pressure drops, hyperkalemia, and renal function deterioration may occur. If symptoms of angioedema, such as swelling of the face, lips, pharynx, or tongue occur, discontinue use immediately and consult a healthcare provider. This medication may enhance the blood pressure-lowering effects when taken with other antihypertensives and may affect renal function or electrolytes when combined with specific drugs, so caution is necessary. Symptoms of hypotension or dizziness may occur while taking this medication, so care should be taken when driving or operating machinery. This medication contains sorbitol, so individuals with fructose intolerance should avoid it. If scheduled for surgery, it is advisable to stop taking this medication 24 hours prior to the procedure. In case of overdose, symptoms such as hypotension, dizziness, and acute renal failure may appear, requiring immediate medical assistance. It is not recommended for children or adolescents under 18 years of age as safety and efficacy have not been established. This medication should be kept out of the reach of children and should not be transferred to other containers.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, paleness, severe allergic reactions, severe rashes with fever, blistering, peeling skin, pain in mucous membranes of the mouth/eyes, severe skin reactions, shortness of breath or difficulty breathing, asthma attacks, respiratory issues accompanied by cough and fever, jaundice (yellowing of the skin or eyes), extreme lethargy, liver abnormalities (jaundice), sudden and severe reactions

Mild side effects

  • Upper respiratory infection
  • pharyngitis
  • sinusitis
  • urinary tract infection
  • cystitis
  • anemia
  • thrombocytopenia
  • eosinophilia
  • hypersensitivity
  • hyperkalemia
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  • hypoglycemia
  • hyponatremia
  • depression
  • insomnia
  • anxiety
  • syncope
  • drowsiness
  • visual disturbances
  • dizziness
  • bradycardia
  • tachycardia
  • hypotension
  • orthostatic hypotension
  • cough
  • abdominal pain
  • diarrhea
  • dyspepsia
  • abdominal bloating
  • vomiting
  • abdominal discomfort
  • dry mouth
  • taste disturbances
  • increased sweating
  • itching
  • rash
  • erythema
  • drug rash

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

Storage

This medication should be stored in a tightly closed container to protect it from air and moisture. It is advisable to keep the storage temperature between 1 to 30 degrees Celsius at room temperature. Proper storage will help maintain the effectiveness and safety of the medication for a longer time.

Appearance and packaging

Appearance

White round tablet

Package unit

30 tablets/bottle

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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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.