Testal 50 mg (Nafthopidil)

Adult dose

For adults, start with naftopidil 25 mg once daily. If the effect is insufficient, gradually increase the dose to 50～75 mg at intervals of 1～2 weeks, and administer orally once daily after a meal. The dose may be adjusted according to symptoms, but the maximum daily dose is 75 mg.

This medication should not be used in patients who have had allergic reactions to its components. Additionally, this medication contains lactose, so it should not be administered to patients with genetic disorders that cause lactose intolerance. Patients with impaired liver function should use this medication carefully due to potentially increased blood concentration. Caution is necessary for patients with serious cardiovascular or cerebrovascular problems due to limited experience using this medication. Elderly patients need to be careful as the excretion of this medication may be slower due to decreased liver function. Care should be taken when taking this medication along with other medications that lower blood pressure, as there is a risk of blood pressure dropping too low. Dizziness, lightheadedness, or hypotension may occur while taking this medication, so caution is advised when performing hazardous tasks or driving. In the event of serious side effects such as liver dysfunction or loss of consciousness, discontinue use immediately and seek medical attention. In case of overdose, blood pressure may drop too low, so it is essential to adhere to the prescribed dosage. Keep out of reach of children, and when taking the medication, ensure it is removed from the packaging before consumption. This medication does not treat the underlying cause but alleviates symptoms, so if no effect is observed, consider other treatment options.

Dizziness, staggering, vertigo, hypotension, discomfort in the stomach, liver dysfunction, jaundice, fainting, loss of consciousness, hypersensitivity, rash, itching, hives, erythema multiforme, headache, heaviness in the head, fatigue, drowsiness, tinnitus, numbness, tremors, dysgeusia, feeling of fogginess in the head, flushing, warmth, arrhythmia, tachycardia, diarrhea, constipation, thirst, nausea, vomiting, bloating, abdominal pain, elevated AST (GOT), elevated ALT (GPT), elevated LDH, elevated ALP, decreased platelet count, blurred vision, intraoperative iris tension disorder syndrome, cholestasis, edema, urinary incontinence, chills, eyelid edema, shoulder stiffness, nasal congestion, erectile dysfunction, gynecomastia, chest pain

This medication should be stored in an opaque container shielded from light and in an airtight container to prevent air exposure. Additionally, it is important to store the medication at room temperature, ideally between 1°C and 30°C.

Appearance

White round tablets

Package unit

30 tablets/bottle, 300 tablets/bottle