My Daughters Name Is Jaunte, Jaunte Is 34 Years Old

My daughters name is Jaunte, Jaunte is 34 years old has 5 lovely girls and a great partner. Unfortunately Jaunte has been diagnosed with 95% rheumatoid arthritis in the past 2 months Jaunte has been prescribed;
prebnizone 30m, hydroscychloroquine 400mg, methotrecate 20mg, salasopyrine 500mg, folie or folic acid 5mg, ibrufen 200mg, parafest 500mg, codein 30mg and tramadol 50mgs.
#1 Jaunte is not sure on weather she should mix the medication,
#2 whether she should alternate or take at different time intervals (the medication) in case of a chemical reaction taking place, including possible overdose through mixing the meds.
#3 a diet can it have benefits, fruit, veges, protein drinks ect...( or a plant based protein diet )
#4 will a physiotherapist possibly help her to become more mobile
#5 what are the benefits of seeing a pain-therapists
is there anything else we could possibly do to help Jaunte feel more in control of her happiness and well-being.

Regards
TeWhitu