I noticed this question which appears to be requesting personalized medical advice, almost to the point of using StackExchange as second opinion after getting unfavourable advice from a doctor.
Any suggestions to help someone experiencing joint pain after giving up dairy products?
However, over the past few weeks she has been experiencing more joint pain after her runs, and occasional muscle aches in the morning when she wakes up.
She has [consulted with a doctor about this], but it was not particularly helpful.