History is deficient. Anyway, nothing to worry. Until the cause is not found give her tab Paracetamol 5oomg SOS and wait for 2 days more. Symptoms may go on their own.If they persist get her Hb,TCDCof WBC, Widal test, Blood for MP, and Urine culture and sensitivity test done. Further treatment will depend on the findings of tests.
Next Steps
If you have cough you take some cough syrup like Ambrolite D OR S as needed. Nature of vaginal discharge has to be noted. If you have cold, too, you should take Tab Solvin cold 1tab three times daily along with cough syrup.
Health Tips
Take rest. Have healthy diet. Thank you.