Welcome in H.C.M.
I have gone through your query and considering the events of development of your disease process it appears as you are suffering from acute respiratory tract
infection with right sided pleural inflammation
Your symptoms are self explaining the facts as you are feeling pain on deep respiration and on lying down on right side you feel pain on chest. These facts are favoring the right sided pleural inflammation.
For confirmation of diagnosis and treatment you should do-
1- C.T.Scan of chest .
2- Culture & sensitivity of throat swab.
3- Sputum for AFB.
4- Blood- CBC, ESR, Blood sugar (F & PP).
By these investigations and a thorough clinical examination your diagnosis may be made and thus accordingly treatment may be plan. Till you are in waiting for above you may take-
a- Tab Paracetamol
b- Steam inhalation.
and expectorant cough
I hope above had answered your query.