Hello Dr I want to know about my husband's blood...

Dear Customer
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What is the normal range of IgE ?
the normal range is : 0 - 300
- 150 isnt consider as a high level 
What does high IgE means ? and does it mean cancer ?
IgE usually indicat body allergic reaction or hypersensitivty , and it doesnt indicat cancer , so dont worry 
What to do next ?
1. reconsult your doctor and show the results and do others tests if needed 
2. possible other tests :
- chest X ray
- cough contents culture
What is the possible treatment pathways ?
- anti-histamine medications ( topical and oral ) 
- steroids ( topical and oral ) 
- antibiotics ( topical and oral ) 
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Kind Regards