Is PMDD a disability? The answer is not a neat yes or no, and that uncertainty can make you feel even more alone when work is already hard. But if PMDD has a substantial, long-term impact on your ability to function, especially at work, you may be protected under UK and US law. In this article, I’ll walk you through what those protections can look like in real life, plus what to do if you have been dismissed, penalised, or treated unfairly.