Ever notice that your acid reflux or gas worsens right before your period begins? there several reasons for this it’s not in your head “reflux and gas may be worse right before menstruation for several reasons,” says alan gingold, do, a board certified gastroenterologist with the digestive healthcare center of nj. Does acid reflux get worse during your period. Conventional medicine focuses on treating gerd and acid reflux by reducing the amount of acid in your stomach but even if you take medication to block acid production in the short-term, it isn’t a real solution — and over time some medications can even make your digestion problems worse.