Methylphenidate shortage: Major ADHD drugs, Concerta, Teva to last until 2026 admin 6 days ago BioGraphi Comments Off on Methylphenidate shortage: Major ADHD drugs, Concerta, Teva to last until 2026 0 Views Two of three brands of medication used to treat ADHD will not be available to Australians until 2026 due to major shortages. Share Facebook Twitter Stumbleupon LinkedIn Pinterest