Asterol Tablet (Bambuterol Hydrochloride)

Adult dose

Adults: Administer bambuterol hydrochloride usually 10 mg orally once daily at bedtime. The dose may be increased to 20 mg after 1～2 weeks. For patients with renal impairment (GFR≤50 mL/min), the recommended initial dose is 5 mg.

This drug should not be used in certain patients. For example, individuals who have allergies or hypersensitivity to this drug or its components should not take it. Patients who have recently experienced a heart attack, aortic stenosis, arrhythmia, or rapid heart rate should also avoid using this drug. Additionally, it should not be administered to infants under 2 years of age or to patients with hypertrophic cardiomyopathy. This drug contains lactose, so caution is necessary for patients with lactose intolerance or genetic lactose metabolism disorders. This drug should be used with caution in some patients. Patients with severe heart disease or impaired liver and kidney function, patients with hyperthyroidism, patients with hypokalemia, patients with diabetes, and women who are pregnant or may become pregnant should consult a doctor before taking this medication. Common side effects when using this drug include headaches, tremors, and palpitations, while anxiety, dizziness, sleep disturbances, and muscle cramps may occasionally occur. Rare side effects such as cardiac arrhythmias or skin rash have also been reported, so any abnormal symptoms should be reported to a healthcare professional immediately. Patients with severely impaired liver function should be cautious, as this drug may not be metabolized properly. Additionally, this drug may lower blood potassium levels, and caution is warranted in individuals with low potassium levels or those taking certain medications. Diabetic patients should monitor their blood glucose levels regularly as this drug may increase blood glucose levels. Asthma patients should continue anti-inflammatory treatment while using this medication, and if symptoms worsen or medication dosage needs to be increased, they should consult a physician. This drug may interact with other medications; caution is needed, particularly when used with muscle relaxants, non-selective beta-blockers, diabetes medications, and certain anesthetics. Athletes should exercise caution as this medication may yield a positive result in doping tests. Pregnant women are advised to avoid this drug, and breastfeeding women should use it cautiously, weighing its benefits against its risks. Overdosage may result in symptoms such as nausea, vomiting, headache, muscle cramps, cardiac arrhythmias, and blood pressure changes, requiring an immediate visit to a medical facility, with treatments such as cardiac function tests and electrolyte management as necessary. This medication should be kept out of reach of children and should not be transferred to other containers.

• Headache
• tremors
• palpitations
• tachycardia
• arrhythmia
• atrial fibrillation
• ventricular tachycardia
• ectopic beats
• myocardial ischemia
• restlessness

This medicine may be sensitive to air and moisture, so it should be stored in a tightly closed container. It is advisable to maintain a storage temperature between 1 and 30 degrees Celsius. This helps preserve the efficacy of the medication.

Appearance

White to pale yellow rectangular tablets

Package unit

30 tablets/bottle, 100 tablets/bottle