Hot foods and drinks & Spicy foods
Hot food and beverages can immediately produce facial flushing due to vasodilation, which can subsequently bring on further rosacea symptoms. If you have rosacea, it is advised that you attempt to stay away from excessively spicy foods and beverages.
Specifically, the vasodilation and heat production in the body caused by the chemical capsaicin, which is present in spicy foods, can cause rosacea symptoms. Everyone has experienced this while eating spicy food. Despite being present in non-spicy peppers, capsaicin is present in larger concentrations in spicy pepper varieties.