Medication info

Ataclo Tablets

Prescription medicationApproval withdrawn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Approval withdrawn

MFDS item code 199801640 · Notified 1998.05.08

This product's status changed to Approval withdrawn on 2023.05.23. It may no longer be sold, so consult a doctor or pharmacist before taking it.

Summary

Main use
Effectiveness in controlling hypertension
Who uses it
Adults
Adult dosage
For adults, take 1 tablet orally once a day. In patients with kidney impairment, dosage may be reduced or the interval between doses extended. For creatinine clearance of 15-35 mL/min/1.73 m², administer 50 mg once daily. For creatinine clearance below 15, administer 50 mg every other day. Adjust dosage based on age and symptoms.

Ingredients

Manufacturer
(주)셀릭스

Efficacy & effects

Effectiveness in controlling hypertension

  • Hypertension
View approved original text

This medication is used to manage hypertension, which is a condition characterized by elevated blood pressure. By managing hypertension, it can prevent serious complications such as heart disease or stroke. When taken safely, it helps effectively lower blood pressure.

Dosage and Administration

Adult dosage

For adults, take 1 tablet orally once a day. In patients with kidney impairment, dosage may be reduced or the interval between doses extended. For creatinine clearance of 15-35 mL/min/1.73 m², administer 50 mg once daily. For creatinine clearance below 15, administer 50 mg every other day. Adjust dosage based on age and symptoms.

Precautions

This medication should not be used in patients with an allergy to specific ingredients, patients with a very slow heart rate or conduction problems in the heart, and patients with severe hypotension. Additionally, it should not be taken by patients with severe heart failure or those with very poor kidney function, as well as by pregnant or breastfeeding women. Caution is required in patients with obstructive airway disease or a history of asthma, and in cases of liver or kidney function issues. During treatment, side effects such as electrolyte imbalance, blood pressure drop, and heart rhythm disturbances may occur, so if the condition worsens or abnormal symptoms arise, stop taking the medication immediately and consult a doctor. Symptoms such as dizziness, fatigue, skin rash, difficulty breathing, visual disturbances, and changes in mental status may appear. This medication can worsen symptoms of heart disease if stopped suddenly; therefore, dosage must be gradually reduced under a doctor's guidance. Moreover, interactions may occur when taken with other medications, so it is essential to inform your doctor about any other medications you are taking. It is safest to avoid this medication during pregnancy or breastfeeding, as it may affect the fetus or infant. Its safety has not been established in children, so it is advisable not to use it in that population. In cases of overdose, severe bradycardia, hypotension, respiratory issues, etc., can occur, necessitating immediate treatment at a medical facility. Store this medication out of reach of children and keep it in its original container to maintain its quality and safety.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling, chest tightness, difficulty breathing, cold sweat, pallor, severe rash with fever, blisters, peeling skin, pain in oral/eye mucosa, shortness of breath or difficulty breathing, asthma attacks, abnormal breathing with cough and fever, yellowing of the skin or eyes, extreme lethargy, sudden severe headache, thunderclap headache, seizures, confusion, visual abnormalities, paralysis, significantly decreased urine output

Mild side effects

  • Hyperuricemia
  • hypokalemia
  • lactose intolerance
  • hyponatremia
  • bradycardia
  • worsening heart failure
  • orthostatic hypotension
  • chills
  • intermittent claudication
  • Raynaud's phenomenon
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  • confusion
  • dizziness
  • headache
  • emotional changes
  • nightmares
  • psychiatric symptoms
  • hallucinations
  • sleep disturbances
  • dry mouth
  • nausea
  • gastrointestinal disturbances
  • elevated transaminases
  • intrahepatic cholestasis
  • pancreatitis
  • leukopenia
  • purpura
  • thrombocytopenia
  • sensory disturbances
  • cold extremities
  • visual disturbances
  • hair loss
  • dry eyes
  • psoriasis

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

Storage

This medication may be sensitive to air or moisture and should be kept in a sealed container. Additionally, it is best stored at room temperature between 1 and 30 degrees Celsius, away from excessive heat or cold.

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.