UK prescriptions are not accepted here. Many drugs do not require prescriptions here. If you are discussing narcotic analgesics, category 2 here, they require an IMPORT PERMIT
Sorry bro. No one with any sympathy for an African passport. I travelled for a while on a Zim passport before I ditched it for a UK pp. suddenly doors opened. It’s a tough game out there. Learn their rules and find a way thru.