Pinaject (Finasteride)

Adult dose

Administer 5 mg of Finasteride orally once daily, regardless of meals. Treatment must continue for at least 6 months even if symptoms improve.

This medication should not be used in children or women. Particularly, pregnant women or women of childbearing potential should not handle broken pieces of the tablets; if the tablets are unbroken and coated, usual handling does not expose to the active ingredient. During the use of this medication, depressive moods or mental health issues such as depression may arise, so patients should consult a healthcare professional immediately if such symptoms occur. Patients with known allergic reactions to this medication or those with specific genetic lactose metabolism disorders should not take it. Patients with liver function impairment should use this medication cautiously. Although generally well-tolerated, some patients may experience sexual side effects, which are usually mild and temporary. There have been reports associated with breast cancer in men with long-term use, but a clear causal relationship with this medication has not yet been established. This medication may increase the risk of certain high-grade prostate cancer, so a physician should conduct appropriate evaluations before and during treatment. There are minimal interactions with other drugs, and it does not affect CYP-450 enzymes, making it relatively safe to use in combination with other medications. Pregnant women or nursing mothers should avoid taking or coming into contact with this medication, as it can be harmful to male fetuses during pregnancy. Safety and efficacy in pediatric patients have not been established, so this medication is not used in this population. Elderly patients can use this medication similarly to adults, and dose adjustment is not necessary. This medication may lower prostate-specific antigen (PSA) levels, so caution is required when interpreting PSA test results. There is no specific treatment for overdose, and this medication should be safely stored out of reach of children and not transferred to other containers.

Serious side effects

• Hives
• severe swelling (including angioedema)
• itching
• rash
• hypersensitivity reactions

Mild side effects

• Erectile dysfunction
• decreased libido
• decreased semen volume
• ejaculation disturbance
• gynecomastia
• breast tenderness
• rash
• muscle pain
• weakness
• depression

This medication should be stored at room temperature between 1°C and 30°C, and it is important to keep it in a tightly closed container that is protected from light and air. Proper storage maintains the effectiveness of the medication and prevents deterioration.

Appearance

Blue round film-coated tablets

Package unit

30 tablets (10 tablets/PTP x 3)