PsA, RA and Fibromyalgia - what helps your pain?

I am a first time user here. I am in need of advise if anyone can help me....I have Psoriasis Arthritis, RA and Fibromialgia. I am in pain every day all day long ! With oxycodone my pain level is at 7 from 1 to 10.

I am taking a shuts on a weekly basis of steroids (betaminasone 6 mg ) but almost Not working and the sides effects are killing me....I am looking for an alternative to the steroids injecciones..please help !

God bless u all