I'm exclusively breastfeeding my three-month-old. i pulled my lower back this week. how much is the safest maximum dose of ibuprofen i can take for it?

Ibuprofen is safe: Ibuprofen is safe in lactation. The maximum doe without physician supervision is 1800 mg/24 hr. With physician supervision it is 2400 mg/24 hr.

Level 1 drug : Ibuprofen is a protein bound drug that transfers in minimal amounts to the breast milk. Only .7% of the maternal dose comes across. Its features place it within the L1 or lowest risk level medications to use in breast feeding. See medications and mothers' milk;hall t.W., 14ed.2010.