Metformin shortages prompt SSSI

Pharmacists get green light to substitute metformin 1000 mg immediate-release tablets under SSSI  The Therapeutic Goods Administration (TGA) has issued a Serious Scarcity Substitution Instrument (SSSI) in response to shortages of various brands of metformin 1000 mg immediate-release tablets.  The SSSI, which came into effect on Wednesday, 28 May 2025, allows pharmacists to dispense an