Allergic purpura, leg red dot sometimes long and sometimes no

Patients: My girlfriend had allergic purpura therapy now, but found the red dot of the legs and sometimes long, sometimes no, this phenomenon is normal?
Doctor: Hello, is normal.
Patients: doctor, that this is how it ah, why is it when when there
Doctor: there is a fluctuation in the process.
Patients: it is about how long, when to disappear? Thank you, doctor!
Doctors: the need for a longer time, it is recommended to continue treatment and observation.
Patient: It represents sicker?
Doctor: It is not. Do not have to worry about, you want to relax.
Patients: patients should pay attention to?
Doctor: Be careful not to eat some seafood allergic something light and attention to diet can.