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Read your prob,this injection helps in subsiding local inflammation n pain. so it is used is shoulder pain
n other kind of joint pain. its side effects is localized to site of injection so it several no of injection can be used at single site as per your doc advise. it helps only in subsiding pain n local inflammation ,not helps in relieving diease.its effect starts from 2 to 3 days n remain as long as 4 to 5 wks so you can take it as per your doc s advise.