Too much Weakness, typhoid since 45 days

Hi I am 38 years male,unmarried.I got diagnosed for typhoid on 29th december 2018 in Typhidot report as IGG(Non-Reactive) and IGM(Reactive). As per doctor pres,I took zifi-CV 200, levoflox 250 and Health Ok capsules 2 times a day for 11 days & drips for 3 days. Its more than 1 month now that I have so much weakness that if I walk a little or climb stairs once only,my body starts shaking with weakness and I get pain in legs,arms,neck,shoulder and back. I am taking normal diet and pomegranate juice,fruit,milk etc I don't have any fever from day one Plz suggest how to cure this weakness and any issue in reports Widal Test 2-2-2019 S Typhi "O"             + 1:80 S Typhi "H"             + 1:80 S Paratyphi AH      + 1:40 S Paratyphi BH.     + 1:20 CBC 2-2-2019 Haemoglobin 12.2 WBC 7.2 RBC 4.34 Platelet count 227 Other tests 29 dec & 19 Jan Uric Acid 5.0 Calcium 8.4 Blood Urea 29 Sodium 135.9 Potassium 3.56 SGOT 24 C.P.K. 86 RA Factor  Non-Reactive Vitamin D    44.38 Vitamin B12  1536