Medication info
Singeuroksin Tablet 25 Micrograms (Levothyroxine Sodium Hydrate)

Singeuroksin Tablet 25 Micrograms (Levothyroxine Sodium Hydrate)

Prescription medicationTabletOral
Ingredient · strength
Levothyroxine Sodium Hydrate›0.025mg / 1 tablet
Manufacturer / importer
Dalim Biotech Co., Ltd.
Appearance
Pink oval tablet
Packaging
For domestic use: 100 tablets/bottle, 300 tablets/bottle For export: 50 tablets (10 tablets/PTPX5), 100 tablets (10 tablets/PTPX10), 300 tablets/bottle
Approval status
Active

MFDS item code 201706671 · Approved 2017.08.21 · Insurance code 664602240

Summary

Main use
Treatment of hypothyroidism (including myxedema)
Who takes it
Adults
Adult dose
Adults: The usual dose is 25-400㎍ of levothyroxine sodium orally once daily. The usual initial dose is 25-100㎍, and the maintenance dose is 100-400㎍. The dose may be adjusted appropriately according to age and symptoms.

Ingredients

Manufacturer
Dalim Biotech Co., Ltd.

Efficacy & effects

Treatment of hypothyroidism (including myxedema)

  • Hypothyroidism
  • myxedema
  • cretinism
View approved original text

This medication is used for disorders related to abnormal thyroid function, including hypothyroidism, myxedema, and cretinism.

How to take

Adult dose

Adults: The usual dose is 25-400㎍ of levothyroxine sodium orally once daily. The usual initial dose is 25-100㎍, and the maintenance dose is 100-400㎍. The dose may be adjusted appropriately according to age and symptoms.

Precautions

This medication is a thyroid hormone and should not be used by individuals with normal thyroid function for weight loss purposes. Particular caution is needed when taken with sympathomimetic drugs, as severe side effects may occur. Patients with severe heart disease, hyperthyroidism, and those allergic to this medication should not use it. Additionally, individuals with genetic issues such as lactose intolerance should avoid taking this medicine. Those with hypertension, cardiovascular disease, adrenal insufficiency, diabetes, and elderly individuals should use this medicine with caution, and dosage should be adjusted slowly. In case of overdose, symptoms such as palpitations, insomnia, headaches, loss of appetite, and vomiting may occur, so immediate action should be taken if symptoms arise. It is advisable for hypothyroid patients to start with a low dose and gradually increase it, and diabetes patients should be attentive to blood sugar control. Patients with cardiovascular disease should be particularly careful and reduce dosage if experiencing chest pain or worsening symptoms. This medication has many drug interactions; therefore, caution is required when taken with anticoagulants, sympathomimetics, cardiotonics, hypoglycemics, and antacids. It is recommended to continue treatment during pregnancy, and breastfeeding mothers should also use it cautiously. In pediatric cases, early diagnosis and treatment are crucial, as excessive treatment can affect growth, so appropriate dosing must be maintained. Elderly patients often have reduced body function, so they should start with a lower dose and gradually increase it. This medication may affect thyroid function tests, so it is important to inform healthcare professionals about all medications being taken prior to tests, and caution is warranted when taking medications containing biotin. In cases of overdose, inducing vomiting, gastric lavage, inhibiting drug absorption, and treatment according to symptoms are required, and appropriate care for cardiac and neurological symptoms is important.

Side effects

  • Palpitations
  • increased pulse rate
  • arrhythmia
  • angina
  • elevated pulse pressure
  • tremors
  • insomnia
  • headaches
  • dizziness
  • sweating
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  • nervousness
  • agitation
  • anxiety
  • bipolar disorder
  • mental disorders
  • seizures
  • loss of appetite
  • vomiting
  • diarrhea
  • abdominal cramps
  • myalgia
  • menstrual disorders
  • weight loss
  • weakness
  • hyperhidrosis
  • flushing of the skin
  • rash
  • liver dysfunction
  • fever
  • malaise
  • abnormal liver function tests
  • mydriasis
  • hypercalciuria
  • paroxysmal increase
  • shock
  • congestive heart failure

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

Storage

This medication is sensitive to light, so it should be stored in a container that does not allow light in. Additionally, it is important to store it at a cool temperature below 25 degrees Celsius to maintain the drug's efficacy.

Appearance and packaging

Appearance

Pink oval tablet

Package unit

For domestic use: 100 tablets/bottle, 300 tablets/bottle For export: 50 tablets (10 tablets/PTPX5), 100 tablets (10 tablets/PTPX10), 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.