Name: Pfizer Japan Viagra Tablets, Sublingual Viagra, Male Enhancement Medicine, Viagra, Fast-Dissolving Sublingual Tablets, 20 tablets per box
SKU: 3642
Price: 920 HKD
Availability: InStock

描述

Direct overseas shipping (Direct shipping from Japan)

Pfizer Viagra
VIAGRA®
25 mg tablet / 50 mg tablet / 25 mg orally disintegrating film / 50 mg orally disintegrating film

Package Insert No. 2590018F1020_1_05 | Company Code 671450
Revised April 2024 (7th Edition) / Revised July 2024 (8th Edition)

Erectile Dysfunction Treatment | Sildenafil Citrate

Product Details / Approvals, etc.

Japan Standard Commodity Classification Code	87259
Pharmacological Classification Name	Erectile Dysfunction Treatment
General Name	Sildenafil Citrate Sildenafil Citrate
25 mg tablet	VIAGRA Tablets 25 mg YJ 2590018F1020 Approval 21100AMZ00053 Sales began in March 1999 Store at room temperature / 5 years
50 mg tablet	VIAGRA Tablets 50 mg YJ 2590018F2026 Approval 21100AMZ00054 Sales began in March 1999 Store at room temperature / 5 years
OD Film 25 mg	Viagra OD Film 25 mg / VIAGRA OD Film YJ 2590018F3022 Approved 22800AMX00667 On Sale: October 2016 Store at room temperature / 3 years
OD Film 50 mg	Viagra OD Film 50 mg / VIAGRA OD Film YJ 2590018F4029 Approval No. 22800AMX00668 On Sale: October 2016 Store at room temperature / 3 years
Regulatory Classification	–
Manufacturing and Sales Yuan	Viatris Pharmaceuticals, LLC 1-3-1 Azabudai, Minato Ward, Tokyo
Packaging	For both tablets and oral solutions, there are formulations covered by medical insurance and those not listed in the drug price catalog. Common: 20 tablets or 20 pieces in PTP blisters
Important Information Regarding Insurance Benefits	This is applicable only to male infertility caused by erectile dysfunction, standard infertility treatment protocols, and cases that meet the criteria outlined in Baoyi Fa No. 7, dated March 25.
Shipping method	Direct overseas shipping (Direct shipping from Japan)
Preparation and shipping time	Once payment and prescription eligibility have been verified, orders are typically shipped within 4 to 7 business days.

1. Warning

Concomitant use with nitrates or nitric oxide (NO) donors may cause excessive hypotension. Ensure that these agents are not being used before administration, and avoid concomitant use during and after administration.

There have been reports of serious cardiovascular adverse events, including myocardial infarction with fatal outcomes. Before administration, thoroughly assess whether the patient has any cardiovascular disorders.

2. Product Characteristics and Mechanism of Action (18.)

By selectively inhibiting PDE5 in the corpus cavernosum of the penis, it reduces the breakdown of cGMP stimulated by NO, causing relaxation of the corpus cavernosum smooth muscle and increased blood flow, thereby facilitating and maintaining an erection. The IC₅₀ for human corpus cavernosum PDE5 is₅₀ 3.5 nmol/L. Not an aphrodisiac or libido enhancer. The OD film is an orally disintegrating film that can be taken with or without water.

3. Specifications and Properties (3.2)

錠　Blue film-coated tablets. 25 mg: VIAGRA/VGR 25 (approximately 9.3 × 6.8 × 3.4 mm). 50 mg: VIAGRA/VGR 50 (approximately 11.3 × 8.2 × 4.4 mm).

OD Film: A pale red orally disintegrating film. Short side: 16 mm; long side: 24 mm; thickness: approximately 0.2 mm.

4. Ingredient Information (3.1/19.)

25 mg: 35.12 mg of citrate (equivalent to 25 mg of sildenafil). 50 mg: 70.23 mg (equivalent to 50 mg of sildenafil). The tablets contain Blue No. 2.

19. Molecular formula C₂₂H₃₀N₆O₄S・C₆H₈O₇　Molecular weight 666.70.

Structural Formula

5. Indications and Usage (4.)

Erectile dysfunction (patients who are unable to achieve and maintain an erection sufficient for satisfactory sexual intercourse). An objective diagnosis must be made prior to administration. This product is not an aphrodisiac or a libido enhancer.

6. Dosage and Administration (6.)

The usual adult dose is 25 mg to 50 mg of sildenafil once daily, taken orally approximately 1 hour before sexual activity.

For elderly patients (age 65 and older), patients with hepatic impairment, and patients with severe renal impairment (Ccr < 30 mL/min), start with 25 mg. Administer once daily, at intervals of at least 24 hours. Taking this medication with food may delay its onset of action.

7. Precautions and Contraindications (2., 8., 25.)

2. Contraindications

Allergy to any ingredient in this product
Currently using nitric acid agents or NO donors
Individuals with cardiovascular conditions or other medical conditions that make sexual activity inadvisable
Severe liver dysfunction
Hypotension (170 or diastolic blood pressure >100 mmHg at rest)
History of ischemic stroke, hemorrhagic stroke, or myocardial infarction within the past 6 months
Retinitis Pigmentosa
Currently taking amiodarone orally
Currently taking the sGC agonist riociguat

Seek immediate medical attention if an erection lasts for more than 4 hours. If you experience a sudden decrease in vision or vision loss, stop taking the medication and see an ophthalmologist immediately.

25. Insurance coverage is limited to male infertility caused by erectile dysfunction and standard infertility treatment protocols, and must comply with Notice No. 7, dated March 25, Reiwa 4, issued by the Health Insurance Bureau.

Plasma concentration:

Dose-PK

OD anhydrous

There is water in the OD

22–26. Other Official Information

22. Both products covered by health insurance and those not listed in the price list are available. Commonly available in 20-tablet/20-unit PTP blisters.

24. Viatris Pharmaceuticals LLC, Medical Information Department, Toll-Free: 0120-419-043

26. Manufacturer and Distributor: ViaTis Pharmaceuticals LLC, 1-3-1 Azabudai, Minato-ku, Tokyo

※ This page was translated by Hkeemall based on PMDA Package Insert 2590018F1020_1_05; it is not a substitute for a doctor’s prescription or the original Japanese version.
Enter "Viagra" in the "Package Insert Information" field on the PMDA website to search for the original version.

[Disclaimer]

The information regarding medications, treatments, or health management contained in this article is compiled from international authoritative medical journals and official clinical literature, and is intended for general science and educational reference only.
The indications, side effects, and contraindications of related medications may vary depending on national regulations and individual physical conditions. Do not blindly take medication on your own or change your treatment plan.
The author and publishing platform assume no legal liability for any medical delays, adverse reactions, or direct or indirect losses caused by the use of the information in this article. All medical decisions should be discussed with your attending physician before being made.

Additional information

Specifications	Pfizer Viagra Tablets 50 mg

1 review for 日本Pfizer 萬艾可 VIAGRA バイアグラ錠口含偉哥壯陽藥威而鋼速溶口含片 20枚/盒裝

4.00

Rated 4.00 out of 5 based on 1 customer rating

Average of 1 review

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4 1

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1 0

Rated 4 out of 5

Yui Li – August 28, 2026

It works just after a while of oral, the hardness and stamina are incredible, truly AV actor level, my partner loved it too!

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Pfizer Japan Viagra Tablets, Sublingual Viagra, Male Enhancement Medicine, Viagra, Fast-Dissolving Sublingual Tablets, 20 tablets per box

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