It would be better if you send pictures of your inflamed joints too. But as you say that you have been told that you are suffering from
Psoriatic Arthritis, you need to control your pain and inflamation in joints.
What medication you are using?
One you should use
NSAID (Tab.Diclofen 50mg three times a day) that you have to use for reducing pain and as you have to use it for a long time you should take Cap.
OMEPRAZOLE to reduce acidity in stomach. Vit. D supplement, you should take, but of some good company. Second is that you have to use Disease modifying anti-rheumatic drug but that you can only purchase on prescription, so you should see a doctor.
You should not suffer, because with proper care and management this disease can be well controlled, otherwise it can cause permanent joint
disability and that will not be curable. However, you should start doing following things immediately and on regular basis:-
1) Give light movements to joints by walks and take warm water bath, reduce your
stress level, reduce your weight; if you are over weight,
2) Take
massage that soften up your muscles and joints, have warm stockings over joints like sportsman wear after mild
injury,
3) Take sunlight exposure as VitaminD is essential for you... Take one good multi-vitamin tablet per day.