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FAQ

FAQ

有關威而鋼
威而鋼*安全嗎?
威而鋼*經廣泛臨床證明為安心之選,具有良好耐受性,是所有同類藥物之中最為醫生選用的品牌1
威而鋼*有什麼副作用?
面紅、頭痛、暈眩是威而鋼*最常見的副作用18
服用威而鋼*後多久才起效?效力維持多久?
男士於服用威而鋼*後最快至14分鐘起效,大部分會於30分鐘內起效5。威而鋼*的效力將維持4個小時18
在哪裡才可買到正貨威而鋼*
請參考威而鋼*特約經銷商
Usage
How often can I take VIAGRA?
Do not take VIAGRA more than once a day18.
Is there an age limit on who can take VIAGRA?
VIAGRA is only suitable for adults18.
Can I take VIAGRA if I am taking other medication at the same time?
Do not take VIAGRA if you are taking other medications known as “nitrates” or are allergic to sildenafil or any ingredients contained in VIAGRA18. In additon, certain drugs (like riociguat) and body conditions also contraindicate with VIAGRA18. Please consult your doctor or pharmacist for more information.
What if VIAGRA does not work?
Please verify that you are using real VIAGRA by checking the security features on the packing. If you have any doubts, please call the Pfizer Club Hotline: (852) 2960 1838.
If you have determined that the product is genuine, please consult your doctor for more information.
Can long-term use of VIAGRA lead to dependency or addiction?
No, VIAGRA is only effective for up to 4 hours, and long term data indicated that it is safe to be used, 2,18.