Hi welcome to the health care magic In acute sinusitis generalised muscle ache can be present and in that because of drowsiness also there might be difficulty in reading... You are advised to consult otorhinolaryngologist for examination and PNS x ray done for further work up... For sinusitis decongestant can be prescribed like benadryl.. Steam inhalation with added one drop eucalyptus oil in water can be done three times a day... Take one tsp turmeric powder with milk daily If needed antibiotic course given If neck stiffness and photophobia like symptoms present than further work up needed Take care Consult otorhinolaryngologist for examination with keeping all this in mind Hope your concern solved