Talk to Pediatrics on Lactose Intolerance

salam..meri beti 5 months ki hai.. 3 months tak us ne enfamil a plus and expressee breast milk lia hai ..sab kuch theek tha bas spitting bht zada thi tu mene morinaga pe shift kr dia..spitting theek ho gai par har feed k saath seedy mucus wala stool pass karne lag gai din me 8 baar takreeban..dr ne similac neosure pe kr dia same routine rahi aur rashes bht zada ho gae..phr nl 33 pe kar dia and sth medicines di par routine same rahi and kabhi feed k ilawa b stool pass karne lag gai..one month nl 33 pe jab koi fark nahi para mene use dobara enfamil pe kar dia and stool total din me 7 to 8 times ho gaya and texture seedy pasty .. us ka stool test karaya reducing substance positive aya hai..kia ye lactose intolerance is ki permanent rahe gi ya temporary hai.. ? and milk mjhe kia ab wapis change karna chahye? kia me lactase enzyme drops use kr skti hun? p.s..meri beti active hai masha Allah..no fever no crankiness.. birthweight 2.7 kg current weight 5.8 kg height 63 cm thankyou..