Internal Hemorrhoid â A swollen vein inside of the anal canal. Internal hemorrhoids often are small, but they can be large and bulge out of the anus. If they bulge out and are squeezed by the anal muscles they can be particularly painful, even more so if the muscle cuts off the hemorrhoids blood supply.
Dear Reader: Arthritis and bursitis can be difficult to differentiate. Arthritis is joint inflammation with associated degeneration of connective tissue and bone. Bursitis is inflammation of the bursa, a sac-like cavity surrounding joints that is filled with fluid that reduces friction caused by movement.
Lupus vs Rheumatoid Arthritis. Both rheumatoid arthritis and lupus arthritis affect the peripheral joints. Both present with pain, swelling, and stiffness, and both arthritis have systemic manifestations.Though they present with similar symptoms, clinically rheumatoid arthritis and lupus are different.upus vs Rheumatoid Arthritis. Both rheumatoid arthritis and lupus arthritis affect the peripheral joints. Both present with pain, swelling, and stiffness, and both arthritis have systemic manifestations.