Hello! Thank you for asking on HCM! Regarding your concern, I would explain that your symptoms could be related to an allergic reaction or an inflammatory disease (including an infection). I recommend consulting with your attending physician for a careful physical exam and some tests: - a chest X ray study to examine your lungs and exclude possible mediastinal lymph nodes - complete blood count for infection - PCR, sedimentation rate for inflammation - thyroid hormone levels - a thyroid gland ultrasound Further tests may be needed, including allergy tests. You should discuss with your doctor on the above issues. Hope you will find this answer helpful! Kind regards, Dr. Iliri