Medicine Supply Notification: Sulfasalazine (Salazopyrin En-Tabs® ) 500mg tablets


Tier 1 – low impact

Date of issue: 29/11/2021

Department of Health and Social Care (DHSC) has issued a medicine supply notification for Sulfasalazine (Salazopyrin En-Tabs®) 500mg tablets

  • Pfizer are out of stock of Salazopyrin En-Tabs® until w/c 20 December 2021.
  • Generic versions of sulfasalazine 500mg gastro-resistant tablets remain available.
  •  SPS MI have advised there are no known differences in bioavailability between the branded and generic products and they can be considered interchangeable
  • A Serious Shortage Protocol (SSP) was issued on 26/11/2021.

The DHSC Medicine Supply Team provide a monthly update on potential supply issues affecting both primary and secondary care. This update is uploaded on the Specialist Pharmacy Services (SPS) website. To register, you will need  an NHS email address. Once set up and logged in, you will be able to access it online.

New shortages not listed on the SPS website, can be reported using our shortage reporting tool.