In fact, degenerative arthritis is thought to involve the entire joint structure with erosion of articular cartilage, hypertrophy of bone at the margins of the affected joint, changes to the synovial membrane (i.e., joint lining), subchondral bone sclerosis, and involvement of the ligaments and periarticular muscles.
14 days: The bullseye rash of lyme disease takes about 14 days to show up. You could have an allergic reaction to a bug bite that will develop within a day. Infection from a bite, not lyme disease, starts getting worse after about 2-3 days.
Pityriasis rosea is a common rash usually seen in individuals between 10-35 years of age. The rash typically lasts six to eight weeks, rarely extending 12 weeks or longer. Once a person has pityriasis rosea, it generally does not recur in their lifetime.