Generally, your doctor might prescribe some antidiarrheal medication like loperamide or Imodium. These medications are pretty safe to take while breastfeeding. Taking care of your diet is essential when you are suffering from food poisoning. - You can also take yogurt. It contains probiotics (good bacteria) which will help kill harmful bacteria in your stomach. - Green tea, mint tea, or chamomile tea helps treat stomach cramps and diarrhea.