Understanding How Long Does an Injection Site Lump Last?
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4 min read
An estimated 1 in 10 patients using certain biologics for eczema experience an injection site reaction, which can include a lump. The duration of an injection site lump varies greatly depending on the cause, from a few hours for a simple wheal to several weeks for more persistent inflammation or delayed immune reactions. Understanding why these lumps form and what to expect is key for managing your medication safely.