Medication info

Aterol Tablet 50mg (Atenolol)

Prescription medicationApproval withdrawn
Ingredient · strength
Atenolol›Strength being verified
Manufacturer / importer
안국약품(주)
Appearance
White round film-coated tablet
Packaging
30 tablets/bottle, 500 tablets/bottle
Approval status
Approval withdrawn

MFDS item code 201903117 · Approved 2019.05.14

This product's status changed to Approval withdrawn on 2023.07.18. It may no longer be sold, so consult a doctor or pharmacist before taking it.

Summary

Main use
Improvement of hypertension and angina
Who uses it
Adults
Adult dosage
1. Hypertension: The initial adult dose is 50 mg of atenolol once daily as monotherapy or orally with a diuretic (thiazide). If no effect is observed within 1-2 weeks, the dose may be increased to 100 mg once daily. Do not exceed 100 mg per day. 2. Angina: This medication is to be taken at a total of 100 mg daily divided into 1-2 doses. Do not exceed 100 mg per day. 3. Patients with renal impairment

Ingredients

Manufacturer
안국약품(주)

Efficacy & effects

Improvement of hypertension and angina

  • Hypertension
  • angina
View approved original text

This medication is primarily used for hypertension and angina.

Dosage and Administration

Adult dosage

1. Hypertension: The initial adult dose is 50 mg of atenolol once daily as monotherapy or orally with a diuretic (thiazide). If no effect is observed within 1-2 weeks, the dose may be increased to 100 mg once daily. Do not exceed 100 mg per day. 2. Angina: This medication is to be taken at a total of 100 mg daily divided into 1-2 doses. Do not exceed 100 mg per day. 3. Patients with renal impairment

Precautions

This medication should not be used in patients with specific allergic reactions, serious pulmonary diseases, heart diseases, and hypotension. Special caution is required for patients with bronchial asthma, heart failure, and uncontrollable diabetes, and their condition should be closely monitored during treatment. Side effects such as rash, itching, decreased tear secretion, decreased heart rate, dizziness, gastrointestinal disturbances, and difficulty breathing may occur, and if any unusual symptoms arise, they must be reported immediately. If used long-term, regular tests for heart, liver, and kidney functions should be performed, and sudden discontinuation of the medication should be avoided; instead, the dosage should be gradually reduced. Patients scheduled for surgery should inform their healthcare provider about this medication in advance, and caution should be taken for dizziness when driving or operating machinery. This medication may interact with other drugs, so consultation with a professional is advised when taking it alongside blood pressure medications, diabetes medications, and heart medications. Women who are pregnant or breastfeeding should carefully consider the use of this medication, as it may affect the fetus or neonate, and should avoid it if possible. The safety in children has not been established, and elderly patients should start with a low dose and monitor their condition closely. In cases of overdose, serious symptoms such as slowed heart rate, heart failure, hypotension, difficulty breathing, and hypoglycemia may occur, and immediate medical attention is required. This medication should be stored out of reach of children and not kept at temperatures above 25 degrees Celsius, and it is advisable not to transfer it to other containers.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor, severe rash with high fever, blisters, skin peeling, pain in oral/ocular mucosa, shortness of breath or difficulty breathing, asthma attack, respiratory abnormalities accompanied by cough and fever, yellowing of skin or eyes (jaundice), extreme lethargy, sudden and severe headaches, lightning headache, seizure, confusion, visual disturbances, paralysis, urination

Mild side effects

  • Rash
  • itching
  • decreased tear secretion
  • blurred vision
  • dry eyes
  • bradycardia
  • cold extremities
  • palpitations
  • increased heart size
  • hypotension
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  • cold sensations in the limbs
  • orthostatic hypotension
  • leg pain
  • heart failure
  • intermittent claudication
  • Raynaud's phenomenon
  • confusion
  • mood changes
  • nightmares
  • mental disorders
  • hallucinations
  • sleep disturbances
  • heaviness in the head
  • dizziness
  • orthostatic dysregulation
  • insomnia
  • drowsiness
  • tinnitus
  • ear pain
  • fatigue
  • weakness
  • lethargy
  • headache
  • sensory disturbances
  • alteration in consciousness

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

Storage

This medication should be stored in a tightly sealed container to prevent exposure to air or moisture, ideally at room temperature between 1 to 30 degrees Celsius. By storing it this way, the medication's effectiveness can be maintained and used safely.

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.