As regular readers will know, my skin is rather temperamental – I suffer from redness, blemishes, flushing, rosacea…you name it, it’s on my face. In order to curb these afflictions, I have been taking an antibiotic called Tetralysal (a tetracycline) off and on (mainly on) for approximately ten years. Tetracycline treats bacterial infections and suppresses inflammation, and I took it happily and without question whenever I had a flare-up – I think I even took it continuously for 6 months once (!!). When I take it my skin looks magnificent – no sign of redness, not a hint of a…