Quoting Cheyenne&Tanner's Mama:" I need suggestions for a cough medicine that is safe when breastfeeding. My throat is so sore when I ... [snip!] ... not to, but then I lose my voice. Plus I don't want my kiddos to get it! I'd rather have it for a month then my kids catch it."
Echinacea tablets or Elderberry Syrup, herbal remedies that are great.
My SO likes to steep honey, fresh lemon slices, fresh chili pepper, a bit of garlic and some fresh ginger slices in boiling water, strain and drink. It works for his colds.