Look out for crumbling Priadel tables reported by @luckyerica3.bsky.social
You can safely halve Priadel but crumbling tablets could lead to lithium being released too quickly. Get advice from your prescriber or pharmacy. Avoid stopping suddenly. You can also report direct to the UK meds regulator.
yellowcard.mhra.gov.uk
How to report to the Yellow Card scheme | Making medicines and medical devices safer
MHRA Homepage for reporting of suspected side effects or adverse drug reactions to any medicines or vaccines, as well as medical device incidents