Methylphenidate shortage: Major ADHD drugs, Concerta, Teva to last until 2026 admin 3 hours ago BioGraphi Comments Off on Methylphenidate shortage: Major ADHD drugs, Concerta, Teva to last until 2026 3 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