What Is The Recovery Period For Typhoid?

hello doctor, my brother has been suffering from typhoid since 5-6 days and the widal test results for antibody O were 1:320 dil and antibody H were 1:160 dil and the reports for plasmodium vivax and falciparum were negative and could you please let me know the timeperiod for recovery and could you please let me know if typhoid can be preceeded by malaria as he has been suffering from chills, nausea with a very high temperature upto 103 C so could you tell me what it is exactly ? the medicines we have been suggested for him is cepodem O and we have been suggested to give the antibiotic meftal-forte for the fever. the fever usually shows up after every 5hours after the medicine has been given. when do u suggest to take the antibiotic for fever? our doctor has suggested us to give the antibiotic cepodem O in a difference of 12hrs. what would u suggest for his diet and can he take a regular bath? is there any possibility of malaria after typhoid and is this a major problem? could you please consult me on this problem?