Need to increase breast milk ASAP - help!!!

ChrMoo

My LO is 5 weeks old and has displayed a severe allergy to the formula she was on for supplementing. In an effort to get her to sleep longer periods at night we increased her formula to give me a break with BF, unfortunately it caused a severe reaction. I never produced enough to keep up with her but now I really need to get her on breast milk 100%. I'm pumping every two hours, drinking lots of fluids is there anything else I can do?