Talk to Ent Specialist on Clogged Ears

Assalam o alaikum I have clogged ears for 3 weeks in the first week the were completely blocked first doctor said it was ear infection so I took antibiotic azomax for 7 days then thick mucus started dripping in my throat second doctor said it is pharyngitis and mucus is Causing the ears to block so I am taking klaricid for 6 days but the mucus is still blocking eustachian tubes. Mucus is thick and sticky at first it was in throat now it is just below nasopharyngeal region I don't have flu please recommend proper medication and diagnosis.