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Acid Fast Susceptibility – 10 drugs

All About Acid Fast Susceptibility – 10 drugs

Acid-fast susceptibility is also known as the acid-fast bacilli susceptibility test for diagnosing the mycobacterium in case of tuberculosis.

Acid-fast susceptibility test helps in distinguishing the presence of mycobacteria in the body of a person. It employs acid stains in the laboratory for testing. If a person experiences symptoms such as persistent cough, weakness in the body, fever, and loss in weight, he should undergo this test. It is essential for patients who are suffering from tuberculosis.

A doctor suggests this test because:

  • To diagnose tuberculosis.
  • Study the infections due to mycobacteria.
  • Check the efficacy of the treatment.

This test uses the ability of the bacteria to remain coloured.

  • The doctor takes the sample from the patient and keeps it in a culture medium to promote bacteria growth.
  • The person performing the test then puts a dye to stain the sample and washes it in an acid solution.
  • The colour of the sample is determined using a microscope.
  • The test shows positive results if the sample retains the dye after washing.

The parameters measured by the acid-fast test are:

  • The presence of mycobacteria in the sample.
  • Non-tuberculous mycobacteria, which are effective in causing infections.

This test uses the ability of the bacteria to remain coloured.

  • The doctor takes the sample from the patient and keeps it in a culture medium to promote bacteria growth.
  • The person performing the test then puts a dye to stain the sample and washes it in an acid solution.
  • The colour of the sample is determined using a microscope.
  • The test shows positive results if the sample retains the dye after washing.

After the test, post-care steps are very necessary.

  • Follow the doctor’s advice carefully.

Sample collection takes place early in the morning in any one of the following forms:

  • Blood
  • Urine
  • Sputum
  • Stool
  • Skin tissues
  • Bone marrow

Certain side effects or risks posed are:

  • There may be chances of feeling dizzy after taking a blood sample.
  • Some infections may occur due to unsterilized needles.
  • No other harmful risks are associated.

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