• Aphonia - Inability to speak
• Upper respiratory tract - Involves the nose, paranasal sinuses, pharynx, larynx, trachea, and bronchi.
• Larynx - Voice box, a hollow muscular part of throat providing air passage.
• GERD (Gastro Oesophageal Reflux Disease) - A digestive diseases where stomach acids flow reverse to food pipe. It can irritate the throat.
• Hypothyroidism - A disease condition of thyroid gland where it is under active.
• Laryngoscopy – A medical procedure where an instrument called laryngoscope is used to view larynx & vocal cords.
• Stroboscopy – A flashing light instrument used to view high moving object like vocal cord.
• Tonsillitis - Inflammation of tonsils
• Pharyngitis - Inflammation of pharynx