Hi my son has been on steroids 20mg for the past 10 days now to dampen down his immune system and just started with methotrexate. Its all working well but the steroids are making him really short tempered and he is worried about going back to work feeling so unusually out of control and snapping at people when it's not really appropriate.He has to reduce the steroids very slowly over next 2 weeks. Has anyone any tips to minimise the side effects of mood swings? Vitamins etc? He's just been prescribed folic acid 5mg I don't know whether this will help. Thanks folks.