Final answer:
If epinephrine doesn't work the first time for anaphylaxis, seek immediate medical attention and consider administering a second dose with guidance from a healthcare professional.
Step-by-step explanation:
If epinephrine doesn't work the first time, it is important to seek immediate medical attention. Anaphylaxis, a severe allergic reaction, requires prompt treatment. It is recommended to administer a second dose of epinephrine injector if the initial dose does not provide relief. However, it is crucial to consult a healthcare professional and follow their guidance in such situations.