Joint problem is a term used to describe a variety of conditions that affect the joints, including ACHE, GOUT, and rheumatism. ACHE is a general term for pain, while GOUT is a form of arthritis caused by the buildup of uric acid in the joints. Rheumatism is an umbrella term for a range of conditions that cause inflammation and pain in the joints, muscles, and other tissues. All of these conditions can cause joint pain and stiffness, making it difficult to move and perform everyday activities.