 [ Symptoms ] can vitamin b12 be used for weight control i took heavy does of steriods for mirgraines administered by a family doctor is pa at the time i was 44 years of age i left shortly after receiving the medication to go to california to visit my family i gained huge amounts of weight each day by the time i got back from california i had gained nearly 100 pounds i am now 69 and frustrated & asshamed of how heavry i am i have exercised and dieted on chicken fruits and vegetables could vitamin b12 injections help [ Disease ] if tuberculosis bacteria are found in the sputum phlegm the diagnosis of tb can be made in a day or two but this finding will not be able to distinguish between drug susceptible regular tb and drug resistant tb to determine drug susceptibility the bacteria need to be grown and tested in a laboratory final diagnosis for tb and especially for extensively drug resistant tuberculosis xdr may take from six to 16 weeks