Generic Medicine Day (Generikku Iyakuhin no Hi)

What Is Generic Medicine Day?

December 22 is "Generic Medicine Day," established by the NPO Generic Drug Association (ジェネリック医薬品協議会) and registered with the Japan Anniversary Association in 2019. The date comes from December 22, 1997, when Japan's Ministry of Health, Labour and Welfare set the scientific standards for approving generic medicines. The day aims to spread accurate understanding of generic (off-patent) medicines and their significance and role.

What Are Generic Medicines?

After a brand-name (original) drug's patent expires—the term is generally 20 years, extendable by up to 5 years—other manufacturers can produce and sell medicines with the same active ingredient. Because they use ingredients whose efficacy and safety have already been established, development costs are lower, and generics can be sold at a lower price than the original drug.

The Safety and Quality of Generics

• Same active ingredient: The type, amount, route of administration, efficacy, and safety of the main ingredient are equivalent to the original drug
• Government-approved: Generics undergo review and approval by Japan's Ministry of Health, Labour and Welfare
• Bioequivalence testing: Tests confirm that the absorption speed and amount in the body are equivalent to the original drug
• Additives may differ: Color, shape, and taste can vary (worth noting if you have allergies)

Benefits of Using Generics

• Lower out-of-pocket costs: Because generics are priced lower than the originals, patients can save on medication costs
• Reduced healthcare spending: Helps keep national medical costs sustainable
• Ask your doctor or pharmacist: Feel free to simply ask, "Can this be switched to a generic?"