Osteomyelitis is an infection of the bone or bone marrow, infection lead to inflammation of bones, infections can happen suddenly or developed over a long period of time.
If they are not treated properly,bone infection get can leave a bone permanently damaged
In most cases, staphylococcus aureus,a type of staph bacteria are the causative agent of osteomyelitis, other bacteria are pseudomonas and enterobacteriaceae
Acute osteomyelitis - in acute osteomyelitis , the infection develops within 2 weeks of an injury ,initial infection , or the start of an underlying disease . the pain can be intense ,and the condition can be life-be life threatening.
In sub acute osteomyelitis , infection develops with in 1-2 months of an injury,initial infection ,or the start of an underlying disease.
In chronic osteomyelitis, infection starts at least 2 months after an injury , initial infection, or the start of an underlying disease.
Osteomyelitis in children and adults
In children generally it is acute and shows symptoms within 2 weeks of pre-existing blood infection this is known as hematogenous osteomyelitis,and it is normally due to methicillin -resistant staphylococcus aureus
In adults,subacute or chronic osteomyelitis are more common,especially after an injury or trauma,such as a fractured bone. This is known as contiguous osteomyelitis. It usually affects adults over the age of 50 years.