Left shoulder has been in pain for the last 6 mo. left ear is hurting & my throat is sore on the left side when i swallow.could all three be related?

Not direct relation: left shoulser pain most likely has no relation to your throat or your ear shoulder pain is musceloskeletal problem joint tendons,and muscle ear and throat pain is upper respiratory in nature varied from allergy to virus to bacterial infection you need to see a doctor for adequate evaluation i hope that answer your question thank you for using a health tap good luck