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The symptoms described by you suggest that you are suffering from a recurrent acute rhinopharyngitis. You may call it a recurrent acute upper respiratory tract infection. The initial infection has not healed completely, and it gets flared up frequently. Moreover, the infection has spread into the sinuses, ears, and lower airways. That produces headaches, constant post-nasal drip, tickle in the throat, cough, and phlegm. Due to long standing infection or recurrent infection, the lymph nodes draining the area have got swollen up after absorbing the offending agent. We must do some blood investigations and a culture sensitivity of the phlegm. Meanwhile, we would like to check the inside of the lower throat, namely the larynx, to see if there is any local cause for the voice change, phlegm, and throat condition. Laryngoscopy, which we do as an office procedure needs to be done. Do you take any medications on a regular basis for diabetes or hypertension or thyroid problem? If sugar levels are not in control, then they can cause recurrent infection and hamper healing. In the meantime, till we get the results of the investigations, I would suggest the following medicines for you. 1) Benzydamine gargles to rinse the mouth and throat, to be done two or three times daily after meals. 2) Antacid medications, Protonix (Pantoprazole) 40 mg, one tablet to be taken twice daily before meals to remove acid reflux associated throat irritation and reflux laryngitis. 3) Anti-inflammatory medicines Trypsin, Chymotrypsin, and Bromelain combination, twice daily to remove any inflammation inside the throat. 4) N-Acetyl cysteine 600 mg tablet, twice daily to remove all pent up secretions and mucus inside sinuses, as well as airways. 5) For pain, you may take Tylenol (Acetaminophen). Consult your specialist doctor, discuss with him or her and start taking the medicines after their consent. Get the following investigations done: 1. Total leukocyte count. 2. Differential leukocyte count. 3. Hemoglobin. 4. Fasting blood sugar. 5. Postprandial blood sugar. 6. Erythrocyte sedimentation rate. 7. Revert with more information to an ENT otolaryngologist online --> https://www.icliniq.com/ask-a-doctor-online/ENT-OtolaryngologistPlatelet count. 8. Hematocrit. 9. C-reactive protein. 10. Throat swab culture and sensitivity. 11. Phlegm for culture sensitivity and AFB (acid-fast bacilli) culture. 12. Liver function tests. 13. Kidney function tests. 14. Pure tone audiogram. 15. Tympanometry. You do not have to read online articles and worry about your condition. Get the investigations done. Do revert for further support.