Tetralin Tablet 2 mg (Terazosin Hydrochloride)

Adult dose

1. Urinary disorders due to benign prostatic hyperplasia - Initial dose: Administer 1 mg orally before bedtime as the initial dose of terazosin hydrochloride, and should not exceed this dose. - Maintenance dose: Slowly titrate until symptoms improve, administering 5-10 mg orally once daily. - For combination therapy with diuretics and other antihypertensive agents, reduce the dose and titrate as needed. 2. Hypertension - Initial dose: Administer 1 mg orally before bedtime as the initial dose of terazosin hydrochloride, and should not exceed this dose. - Maintenance dose: 1) For monotherapy: Administer 2-10 mg orally once daily in the morning or evening, preferably at the same time each day. To obtain an optimal blood pressure response, the dose can be doubled at weekly intervals. Doses above 20 mg do not provide greater effects, and studies on doses over 40 mg have not been conducted. 2) For combination therapy with diuretics and other antihypertensive agents, reduce the dose and titrate as needed. Careful monitoring is necessary as hypotension may occur.

This medication is an alpha-blocker and should not be used in certain patients. First of all, it should not be administered to patients who have had allergic reactions to this medication or similar drugs, or to children under 12 years of age. Additionally, patients with lactose intolerance or certain genetic metabolic disorders should not take this medication. Caution is necessary when administering to patients with severely impaired liver or kidney function or a history of certain diseases such as cardiovascular diseases or diabetes. During the use of this drug, side effects such as dizziness, fainting, and increased heart rate may occur, so caution is advised. These symptoms can occur more frequently when first taking or rapidly increasing the dosage. Various side effects such as mental changes, digestive disorders, respiratory symptoms, and urinary abnormalities can occur, so if any abnormal symptoms arise, consult a healthcare professional immediately. It's advisable to avoid dangerous activities such as working at heights or driving while taking this medication. Caution is also needed when changing the dosage during treatment or resuming after an interruption. Although this medication is used to treat prostatic hypertrophy, it must be used only after confirming the absence of prostate cancer. Patients undergoing cataract surgery should inform their doctor as special precautions may be needed during the procedure. There are generally no significant interactions with other drugs, but caution should be exercised when taken with antihypertensive agents due to the risk of excessively low blood pressure. Women who are pregnant or breastfeeding should consult their doctor before taking this medication as its safety has not been established. This drug is not used in children as its safety and efficacy have not been confirmed. Elderly patients should start at a low dose carefully due to the risk of cerebrovascular problems from blood pressure reduction. In the case of overdose, acute hypotension may occur, requiring immediate emergency treatment, as dialysis is ineffective. Store in a place out of reach of children and do not transfer to another container. There have been reports of tumor occurrences in some animals with long-term use of this drug, but the impact on humans is unclear. Therefore, it is crucial to follow these precautions and take the medication according to a doctor's instructions.

Serious side effects

Fainting, severe allergic reactions (including anaphylaxis), severe dizziness due to orthostatic hypotension, fainting, respiratory distress, increased risk due to blood pressure reduction, intraoperative floppy iris syndrome

Mild side effects

• Dizziness
• energy depletion
• peripheral edema
• depression
• irritability
• headache
• lethargy
• weakness
• sweating
• insomnia

This medication may be sensitive to air and moisture, so it must be stored in a tightly closed container. The storage temperature should be kept at room temperature between 1 to 30 degrees Celsius. This helps to maintain the medication's effectiveness for a longer period.

Appearance

White round tablet

Package unit

30 tablets/bottle, 100 tablets/bottle