Medication info
Atenolol Tablet 50 mg

Atenolol Tablet 50 mg

Prescription medicationTablet
Ingredient · strength
Atenolol›50mg / 1 tablet
Manufacturer / importer
익수제약(주)
Appearance
White round film-coated tablet
Packaging
30 tablets/bottle, 500 tablets/bottle
Approval status
Active

MFDS item code 201601054 · Approved 2016.02.26 · Insurance code 658501840

Summary

Main use
Improvement of hypertension and angina
Who uses it
Adults
Adult dosage
1. Hypertension: The initial adult dose is atenolol at 50 mg once daily, either alone or in combination with a thiazide diuretic. If effects do not occur within 1-2 weeks, increase to 100 mg once daily. Do not exceed 100 mg per day. 2. Angina: Administer 100 mg daily, divided into 1-2 doses. Do not exceed 100 mg per day. 3. Patients with renal impairment: Creatinine clearance (mL/min/1.73 m²) Dose 15-35 50 mg once daily <15 25 mg once daily or 50 mg every other day Adjust dose appropriately based on age and symptoms.

Ingredients

Manufacturer
익수제약(주)

Efficacy & effects

Improvement of hypertension and angina

  • Hypertension
  • angina
View approved original text

This medication is used for treating common cardiovascular diseases such as hypertension and angina.

Dosage and Administration

Adult dosage

1. Hypertension: The initial adult dose is atenolol at 50 mg once daily, either alone or in combination with a thiazide diuretic. If effects do not occur within 1-2 weeks, increase to 100 mg once daily. Do not exceed 100 mg per day. 2. Angina: Administer 100 mg daily, divided into 1-2 doses. Do not exceed 100 mg per day. 3. Patients with renal impairment: Creatinine clearance (mL/min/1.73 m²) Dose 15-35 50 mg once daily <15 25 mg once daily or 50 mg every other day Adjust dose appropriately based on age and symptoms.

Precautions

This medication affects the heart and blood pressure, and should not be used by certain patients. For example, those with allergies to any ingredients in this medication, severe asthma, serious heart problems, or low blood pressure may be at risk if they take it. Caution is also required for those with uncontrolled diabetes or severely impaired liver and kidney function. While taking this medication, symptoms such as skin rashes, itching, difficulty breathing, dryness or visual disturbances in the eyes, and slow or irregular heartbeats may occur. Be careful when driving or operating dangerous machinery as dizziness or drowsiness may occur. Abruptly stopping the medication can worsen heart disease, so the dosage should be reduced gradually according to a doctor's instructions. Pregnant or breastfeeding women should consult with their healthcare providers as this medication may affect the fetus or newborn. Additionally, there may be interactions if taken with other medications, so it's important to inform your healthcare provider about any other medications you are currently taking. Special caution is necessary for children and the elderly, with the elderly advised to start with a lower dose. Overdosage may lead to severe heart problems, low blood pressure, and difficulty breathing, necessitating immediate medical attention. Finally, this medication should be stored in a cool, dry place out of the reach of children, and should not be stored at temperatures above 25 degrees Celsius.

Side effects and when to seek care immediately

Serious side effects

  • Hives
  • severe swelling (edema)
  • chest tightness
  • difficulty breathing
  • pallor
  • severe allergic reactions
  • severe skin reactions
  • asthma attacks
  • respiratory issues
  • yellowing of the skin or eyes (jaundice)
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  • extreme lethargy
  • liver issues (jaundice)
  • sudden and severe headaches
  • thunderclap headaches
  • seizures
  • clouding of consciousness
  • visual disturbances
  • paralysis
  • serious neurological symptoms
  • markedly reduced urine output
  • generalized severe swelling

Mild side effects

  • Rash
  • itching
  • reduced tear secretion
  • blurred vision
  • dry eyes
  • bradycardia
  • cold extremities
  • palpitations
  • increased cardiac size
  • low blood pressure
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  • coldness in extremities
  • atrioventricular block
  • sinus node block
  • orthostatic hypotension
  • leg pain
  • heart failure
  • intermittent claudication
  • Raynaud's phenomenon
  • confusion
  • mood changes
  • nightmares
  • psychiatric disorders
  • hallucinations
  • sleep disturbances
  • heaviness
  • dizziness
  • orthostatic dysregulation
  • insomnia
  • drowsiness
  • congestion
  • tinnitus
  • ear pain
  • fatigue
  • weakness

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

Storage

This medication may be sensitive to air or moisture; therefore, it must be stored in a tightly sealed container. The storage temperature should be maintained at room temperature between 1 degree and 30 degrees Celsius. Proper storage will help maintain the medication's effectiveness for a longer period.

Appearance and packaging

Appearance

White round film-coated tablet

Package unit

30 tablets/bottle, 500 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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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.