This might depend on the country for EU. In France especially if you're an adult, getting an appointment for a diagnosis is either extremely long (public health sector delays regularly exceed one year), very expensive (over a 100€ out-of-pocket) or downright impossible (if you're in a big city you're fine, some places don't have anyone available at all). Sometimes it's a combination of those (yay).
And then if you're getting medicated, another whole world of fun begins (restricted prescriptions, shortages, etc)
And then if you're getting medicated, another whole world of fun begins (restricted prescriptions, shortages, etc)