Hi,thank you for posting your query on health care magic. Looking at your symptoms,the cause for inflammation in the Larynx and Sinuses can be a Viral infection,as it may get transmitted by sneezing or coughing to other close contacts. You may find relief by taking following medicines: Analgesic with Antiinflammatory like Ibuprofen, Antacid like Rantac, Antihistaminic like Cetrizine, Oral Decongestant like Pseudoephedrine and Nasal Decongestant like Oxymetazoline(if not suffering from Hypertension), Mucolytic like Ambroxol. Avoid cold,spicy ,oily food.Take voice rest,Do steam inhalation.Drink lots of warm fluids.Avoid dust.Do warm saline Gargles. Hope this answers your question.Take care.