After playing closed needle pain aggravation is not normal, according to the patient’s specific situation, can not be generalized, generally speaking, just after playing closed needle pain aggravation is normal.
1. local stimulation: due to just after the closed needle, local tissue space closed drug, local pressure increase may form a stimulus to the peripheral nerve endings, there can be a short period of time the pain aggravation, this is generally a normal phenomenon.
3. Infection: due to the closed needle is invasive operation, may cause local infection, the patient may be in the closed needle after the pain aggravation.
4. Increased local inflammation: common in the closed injection, the gradual absorption of drugs, exercise and other factors caused by local inflammation and edema, patients may appear repeated symptoms or pain aggravation, belong to the recurrence of the disease.
5. Nerve damage: due to operational errors in playing closed needle caused by nerve damage, patients can play closed needle after pain aggravation phenomenon, this situation is less common, this is an abnormal phenomenon, the need for timely treatment.
Patients with pain aggravated by the closed injection are recommended to consult a doctor in time to clarify the cause of pain aggravation, and if necessary, to carry out further targeted treatment.