I've had a gout attack yesterday after 5 years ?

Your question is ???: So what is your question? You see a doctor, treat the acute attack and consider then starting allopurinol to prevent future attacks.

What triggered it?: Take in tart cherry juice and tart cherries, 20/day. Add Lemon extract 4 tblspns / day. And avoid alcohol, animal fats, organ meats, anchovies, sardines, tuna, salmon, and shellfish. Limit other meats to 4 oz per day. Avoid high fructose corn syrup containing drinks and foods. Add egg whites, quinoa, soy as protein. Eat lots of citrus fruit and veggies. Drink 3 liters per day. Achieve ideal wt.