Thanks for writing your query.
It would be helpful if you give the names of the other medicines you are taking along with Augmentin
Your symptoms seems to be suggestive of Upper Repiratory Tract Infection.
Antihistaminc medicines along with decongestants and probiotic
are needed along with the antibiotic
Augmentin Duo. Paracetamol
500 mg 3-4 times a day can be taken for fever.
It is not neceassary that you will always have sinusitis
whenever you are having cough and stuffy nose. More advice can be given after examining and investigating you clinically.
Steam inhalation wil help you in relieving your symptoms.
If your symptoms persists, get yourself examined by an ENT specialist
I hope this is helpful to you.