Medical cannabis has been legal in the UK since November 2018, but it is not a...

https://wiki-byte.win/index.php/What_Conditions_Does_NICE_Recommend_Cannabis-Based_Medicines_For%3F

Medical cannabis has been legal in the UK since November 2018, but it is not a first-line treatment. Generally, you must have tried other licensed medications or therapies that failed to manage your condition