I got HA filler and got reaction to it which my...

Dear Customer
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What is the cause of those tiny small bumps ?
its a symptoms of an allergic reaction 
How long does symptoms last ?
its supposed to disappear in the next following days , and shouldnt last more than 1 week if the source is gone 
What to do next ? 
1. for now , use a topical steroid medication such as delor
2. avoid any possible causes of your allergic reaction 
3. if the symptoms didnt get better or lasted longer than expected , consult a dermatology doctor as soon as possible 
4. doctor will perform some tests to determine the treatment pathway such as :
- clinical examinations 
- effected area culture test
- IGE blood level test - ( the normal range is : 0 - 300 ) 
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Kind Regards