Hello mam My sister having 4th month since a month she was having Dry cough continuesly Becoz of dry cough her throat also getting burning kindly advise me to any syrup or something tablet While we went hospital for checkup last month nothing syrup and tablet  not written by doctor just suggested home remedies but still no use We have used benadryl syrup & Lovenges tab for 2 days but seems no benefit kindly advise any better pls .can't connect online . Thanks