Aches and pains
ARC provide a great resource for support for patients with arthritis
Managing pain can be difficult, I find this Pain toolkit a vital resource as it written by a patient , for patients, with very good advice!
You may be asked to sign ‘fitness’ forms such as marathons, cycling etc. These are not within the competency of General Practice and should not be done. See here for an alternative source to direct patients if full certification requested.
For more unusual issues, neurosymptoms is an excellent tool to help understand functional ad dissociative neurological symptoms.