Dextromethophqm- non opioid cough suppressant and have actions on both central and peripheral cough receptor for suppression of cough . Takes a little longer to produce results compared to other medication . Causes sedation as a side effect .
Whereas levocloperastine is an antitussive ( cough suppressant) which acts only on central receptors , and the actions of the medication occur faster and less seductive compared to others .
Next Steps
Either complete your course of treatment with dextro and consult a general physician for further evaluation. If the sedation is a bit more means consider levocloperstine after proper consultation.
Health Tips
Try stream inhalation and saline nebuliser as it can sooth the coughing