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ATC S01AD07 · Antivirals · updated 4 Nov 2026
Famciclovir shortage
As of 4 Nov 2026, Famciclovir has a reported shortage in 1 of the 16 countries we track (Japan), covering 1 product from 1 company.
Is there a Famciclovir shortage?
Yes. As of 4 Nov 2026, Famciclovir is reported short in 1 of the 16 countries we track: Japan. No company has given a return date. New since 5 Oct 2026: Japan.
Timeline
Solid bars run from the reported start to today; faded bars show the time left until the expected return. An arrow means no return date was given.
Which companies are short
products short, all countriesListed: Towa (Pensa) 4553 · Tokyo
Compared with similar medicines
ATC group S01AD · AntiviralsAffected products
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| JP | ファムシクロビル錠250mg「トーワ」 limited | Towa (Pensa) | 29 Oct 2026 | not given | Increased demand |
"Expected back" is the date the company gave the authority, when it gave one. Ask a pharmacist about alternatives.
Questions
Is there a Famciclovir shortage?
Yes. As of 4 Nov 2026, Famciclovir is reported short in 1 of the 16 countries we track: Japan. No company has given a return date. New since 5 Oct 2026: Japan.
When will Famciclovir be back in stock?
No return date has been given; Japan: no date given. These are company estimates reported to each authority.
Why is Famciclovir in short supply?
The most common reason reported is: increased demand. Reasons by product are listed in the table below.
Which companies have Famciclovir shortages?
Towa (Pensa).