Hi I have been diagnosed with overactive thyroid just over 2 weeks ago but I keep suffering from ver

I'm suffering from bad pains in the ribs and burning is this connected

Severe hyperthyroidism can cause muscle pain and muscle wasting. You might also have costochondritis. If you like you can read more about it here (to see if the symptoms match): 

https://patient.info/health/chest-pain-leaflet/costochondritis

Hyperthyroidism can cause deficiencies (for example Magnesium, Potassium, Vit D, L-Carnitine) which can affect the muscles. Did you have a blood test? How long have you been hyperthyroid?