Unfortunately I dont think you can There isnt a whole lot you can take whilst breastfeeding. It will mess with your supply and a small amt will pass to bubs. The best person to speak to would be the chemist or dr.

When I have been sick, I have put vicks on my chest, got the steam vaporiser out, stocked up on Vitamin C, and basically just grinned and beared it.

Hope you are feeling better soon