How should red skin blotches called rosacea be treated?

I am so sorry to learn of your very frustrating condition. Rosacea, like acne in youngsters, is very common. The involvement of the central forehead, nose area and high cheeks couldn’t be ‘better placed’ to be on show to everyone.

It is an accentuation of the normal flush reaction, and, as you already state, can be made worse by spicy foods and alcohol. You must also try to avoid the extremes of temperature and try to reduce emotional tension too. I know this is easy to say, but this does have a good effect on the skin. Antibiotics are the long-term solution, and as there are so many one can probably be found that doesn’t upset your stomach.