Cortisone shots can relieve pain for several months after an injection, says MedicineNet.com. Cortisone isn't a painkiller like over the counter analgesics or narcotics. Rather, it is a powerful anti-inflammatory medication that reduces swelling, stiffness and pain by reducing the underlying inflammation in a painful area.Know More
Cortisone shots often cause an increase in pain and swelling for up to 48 hours after the injection, states About.com. This is known as the "cortisone flare." It occurs when the cortisone crystallizes in the affected area after injection, causing irritation. Frequent icing of the area can help ease the discomfort.
Doctors often limit the number of cortisone shots they offer a patient during a calendar year due to the potential for serious complications, states Mayo Clinic. These complications include joint infection, weakening of nearby tendons, thinning of nearby bone, bone death and thinning of the skin and soft tissue near the injection site. The risk of these complications increase with each dose. For these reasons, it's common to limit the number of shots to three or four a year, according to Mayo Clinic.
Other short term side effects include facial flushing, local bleeding or bruising at the injection site and soreness at the injection site. Diabetics may also experience a temporary increase in blood glucose levels and should monitor themselves closely, states MedicineNet.comLearn more about Medications & Vitamins
A cortisone shot typically starts providing relief from symptoms within 48 to 72 hours, according to About.com. Cortisone shots relieve pain by reducing inflammation. Inflammation begins to subside immediately after the shot although significant pain relief can take a few days to a few weeks.Full Answer >
Side effects of a cortisone injection include weakened or ruptured tendons, local bleeding from broken blood vessels, and soreness, atrophy or depigmentation of the skin at the injection site. Some people may experience postinjection flare, which is an aggravation of inflammation caused by a reaction to corticosteroid medication, notes WebMD.Full Answer >
According to Mayo Clinic, joint infection, nerve damage, tendon weakening or rupture and temporary pain or inflammation can all be negative side effects of a cortisone shot. About.com adds that the most common side effect is called cortisone flare. This is when the cortisone that is injected crystallizes, causing more discomfort than prior to the injection; it does go away with time and an ice regimen.Full Answer >
Most people experience mild side effects after receiving tetanus shots, including low fever, fatigue, swollen glands, nausea and muscle pain, according to WebMD. More serious side effects include nervous system problems, swelling of the arm where the injection was given and a high fever.Full Answer >