Medication info
Shinil Atenolol Tablet 25 Milligrams (Atenolol)

Shinil Atenolol Tablet 25 Milligrams (Atenolol)

Prescription medicationTablet경구
Ingredient · strength
Atenolol›25mg / 1 tablet
Manufacturer / importer
신일제약(주)
Appearance
White round film-coated tablet
Packaging
30 tablets/bottle, 300 tablets/bottle
Approval status
Active

MFDS item code 201301654 · Approved 2013.01.21 · Insurance code 653804820

Summary

Main use
Improvement of hypertension and angina
Who takes it
Adults
Adult dose
1. Hypertension: The initial dosage for adults is 50 mg of Atenolol once a day, either alone or in combination with a diuretic (thiazide), and if the effect does not manifest within 1-2 weeks, the dose can be increased to 100 mg once daily. Do not exceed 100 mg per day. 2. Angina: For this indication, the dosage is 100 mg per day divided into 1-2 doses, and do not exceed 100 mg per day. 3. Renal impairment.

Ingredients

Manufacturer
신일제약(주)

Efficacy & effects

Improvement of hypertension and angina

  • Hypertension
  • angina
View approved original text

This medication is used for hypertension and angina.

How to take

Adult dose

1. Hypertension: The initial dosage for adults is 50 mg of Atenolol once a day, either alone or in combination with a diuretic (thiazide), and if the effect does not manifest within 1-2 weeks, the dose can be increased to 100 mg once daily. Do not exceed 100 mg per day. 2. Angina: For this indication, the dosage is 100 mg per day divided into 1-2 doses, and do not exceed 100 mg per day. 3. Renal impairment.

Precautions

This medication should not be used in certain patients. For example, those who are allergic to this drug or have severe asthma, serious heart problems, or severe hypotension may be at risk if they take it. Additionally, patients with severe diabetes or significantly impaired kidney and liver functions should use it with caution. These individuals should take it carefully under the guidance of a physician. Taking this medication may occasionally cause allergic reactions such as skin rash or itching. If these symptoms occur, you should stop taking the medication immediately and consult a doctor. Dry eyes or blurred vision may occur, as well as symptoms like slowed heart rate or low blood pressure. If these symptoms are severe, the dosage may need to be adjusted or the medication should be stopped. Furthermore, this medication can cause neurological symptoms such as mental confusion, insomnia, dizziness, and fatigue, so caution is necessary. It may also affect the gastrointestinal system, leading to nausea, vomiting, diarrhea, abdominal pain, etc., which should be reported to a doctor if severe. Individuals with respiratory diseases should be particularly careful as bronchospasm or breathing difficulties may occur. This medication can affect liver and kidney functions, so regular testing is necessary. During treatment, do not stop taking the medication suddenly; it should be reduced gradually under a physician's direction, as abrupt discontinuation may worsen heart problems. When driving or operating machinery, dizziness or drowsiness may occur, so caution is advised. This medication can interact with other medications, so it is essential to inform a doctor or pharmacist, especially when taken with antihypertensives, antidiabetic agents, calcium antagonists, anesthetics, etc. Women who are pregnant or breastfeeding may face risks when taking this medication, so consulting healthcare professionals before use is essential. The safety of this medication for children has not been established, thus caution is needed when used in this population. Elderly patients should start with a low dose and be carefully monitored during treatment. In the event of overdose, severe heart rate decrease, hypotension, or breathing difficulties may occur, and immediate medical treatment should be sought. This medication should be stored in a cool place out of reach of children, avoiding temperatures above 25 degrees Celsius.

Side effects and when to seek care immediately

Serious side effects

Urticaria, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor, severe allergic reactions, severe rash with high fever, blisters, skin peeling, pain in mucous membranes of mouth/eyes, severe skin reactions, shortness of breath or difficulty breathing, asthma attacks, respiratory issues accompanied by cough and fever, yellowing of skin or eyes (jaundice), extreme lethargy, liver dysfunction (jaundice), sudden.

Mild side effects

  • Rash
  • itching
  • decreased tear production
  • blurred vision
  • dry eyes
  • bradycardia
  • cold extremities
  • palpitations
  • increased heart size
  • chest tightness
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  • hypotension
  • coldness in limbs
  • atrioventricular block
  • sinoatrial block
  • orthostatic hypotension
  • leg pain
  • heart failure
  • intermittent claudication
  • Raynaud's phenomenon
  • confusion
  • mood changes
  • nightmares
  • psychosis and hallucinations
  • sleep disturbances
  • heaviness of the head
  • dizziness
  • orthostatic regulation disorders
  • insomnia
  • drowsiness
  • congestion
  • ringing in the ears
  • ear pain
  • fatigue.

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

Storage

This medication may be sensitive to air or moisture, so it should be stored in a tightly sealed container. It is advisable to maintain the storage temperature between 1 degree and 30 degrees Celsius to preserve its efficacy for a longer period.

Appearance and packaging

Appearance

White round film-coated tablet

Package unit

30 tablets/bottle, 300 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.