Hi thanks for contacting HCM... Here coughing and sneezing suggesting viral respiratory infection ...It can lead muscle pain like constitutional symptoms... Symptomatic management done .. For cold decongestent like antihistaminic drug given .. Steam inhalation with added eucalyptus oil useful for congestion relief ... If nasal blockage felt than oxymetazoline nasal drop used for it .... For pain analgesic taken ... Meanwhile investigate with .... 1.CBC 2.CRP (For determining whether viral , bacterial or allergic infection ) If needed throat swab taken for culture and aso titer also done .... Consult physician for this ... Take care ....