What Could Constant Fever, Joints Pain Suggest Post Typhoid ?

Dear sir,
i was sufferd from typhoid fever in october 2010, i have taken so much medicine like cefixime etc. i take medine 3 months continous now doctor sais i am ok and quite well. but i am not feeling well i always feel fever and hot on my neck and palm, but thermometer shows 98.4 degree temp. always.i have body ache also and always feel cold in chest.i have checked T.B., thoride and sugar everything is normal.