Naphtil Tablets 75 mg (Naftopidil)

Adult dose

In adults, start with naftopidil 25mg once a day. If the effect is insufficient, gradually increase the dose to 50～75mg at intervals of 1～2 weeks, and administer orally once a day after a meal. Adjust the dose as appropriate according to symptoms, but the maximum daily dose is 75mg.

This drug should not be used in patients who are hypersensitive to any of its components or have genetic issues such as lactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption. It should be used cautiously in patients with impaired liver function, those with severe heart diseases, cerebrovascular disorders, and the elderly, especially since the drug may remain in the body longer due to liver dysfunction. If taken with other antihypertensives or PDE5 inhibitors, there may be an exacerbation of blood pressure lowering, so any medications being taken must be disclosed. While taking this medication, side effects such as dizziness, lightheadedness, and hypotension may occur; therefore, it is advised to avoid dangerous activities such as working at heights or driving, especially when starting treatment or increasing the dosage suddenly. If severe adverse reactions such as liver dysfunction, jaundice, syncope, or loss of consciousness occur, discontinuation of the medication should be immediate, and consulting a physician is necessary. Keep out of reach of children, and take the medication out of its packaging when consuming, ensuring not to swallow the packaging.

dizziness, staggering, vertigo, hypotension, gastric discomfort, liver dysfunction, jaundice, syncope, loss of consciousness, hypersensitivity, rash, itching, hives, erythema multiforme, headache, feeling of heaviness in the head, lethargy, drowsiness, tinnitus, numbness, trembling, taste disturbance, feeling of fuzziness 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 pupillary hypotonia syndrome, color blindness, edema, urinary incontinence, chills, eyelid edema, shoulder stiffness, nasal congestion, erectile dysfunction, gynecomastia, chest pain, speech disorder, hemorrhoids, exacerbation of urinary dysfunction, hematuria, pyuria, cystitis, decreased urine flow, urinary tract infection, urethral pain, exacerbation of frequency of urination, insomnia, back pain, weakness, fever, fatigue, ejaculatory dysfunction, increased sweating, angina, skeletal pain, shingles, bladder carcinoma, cerebral infarction, bronchiectasis, retrograde ejaculation

This medication should be stored in a closed container that can block light, and the storage temperature should be maintained between 1°C and 30°C at room temperature to ensure the drug’s efficacy and safety.

Appearance

Yellowish-white to light yellow round tablets

Package unit

30 tablets/bottle, 300 tablets/bottle