Hi welcome to the health care magic You have not much troublesome problem as per history.... But your voice affection is since one month.... Hence this should not be neglected and further work up needed as follow ...... -Posterior pharynx examination -indirect laryngoscopy examination to visualize vocal cords and larynx to rule out any inflammation or mass if present If congestion is only the problem than decongestant prescribed like phenylephrine or if needed short term steroid But if after examination any growth found than biopsy needed Take care Don t worry but consult another available otorhinolaryngologist for your examination and accordingly work up if needed Hope your concern solved