Your problem may be caused by allergies -- especially if you have no fever and any secretions you do have are clear.
You may want to try an over-the-counter antihistamine, such as Benadryl
to decrease the production of secretions which may be causing the cough
-- along with a recently available over-the-counter expectant
medication called Mucinex
, to loosen up the secretions which are present.
Of course, if your symptoms continue you should ask your doctor to examine you and investigate this further.
One more point, certain types of blood pressure medications -- called
ACE inhibitors -- can cause a persistent dry cough. If you take
blood pressure medication, you should ask your doctor about this
Click any above Link(s) for additional information.
Let me know if you need more input. If not, thanks for the
opportunity to assist you... Please honor my efforts by Clicking the
green 'Accept' button (located within this post -- above-right).
Adding a bonus -- should you wish to do so -- would be warmly welcomed.