What is Isoniazid?

Category: Prescription Drugs

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Isoniazid is an antitubercular agent used in the treatment of susceptible tuberculosis infections and for treatment of latent tuberculosis infection (LTBI).

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Tuberculosis 17 11
Prevent infection 6 4
Increase effect of another treatment 2 0
Doctor recommendation 1 0

  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 5
Moderate 0
Mild 6
None 7

Commonly reported side effects and conditions associated with Isoniazid

Side effect Patients
Elevated liver enzymes 4
Nausea 3
Discoloration of feet 1
Irritable bowel syndrome (IBS) 1
Lethargic in the the morning 1
Neuropathy in feet 1

Show all 10 reported side effects

Dosages

Based on patients currently taking Isoniazid

Dosage Patients
300 mg daily 1

Why patients stopped taking Isoniazid

Multiple reasons could be selected

Reason Patients
Course of treatment ended 11
Side effects too severe 5
Did not seem to work 1
Doctor's advice 1
Other 1
See all 17 patients who've stopped taking Isoniazid

Duration

Currently taking Isoniazid

Duration Patients
1 - 6 months 1

Stopped taking Isoniazid

Duration Patients
Less than 1 month 1
1 - 6 months 4
6 months - 1 year 8
1 - 2 years 4
Adherence
Adherence Evaluations
Always 15
Usually 0
Sometimes 1
Never taken as prescribed 2
Burden
Burden Evaluations
Very hard to take 2
Somewhat hard to take 2
A little hard to take 5
Not at all hard to take 9
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 1
$50-99 0
$25-49 0
< $25 9
Not specified 8
Last updated:

1 patient evaluation for Isoniazid

May 25, 2012 (Started Nov 25, 2011)

  • Effectiveness
    Major (for prevention of TB)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily

  • 0 helpful marks
Last updated:
Showing 1 of 1 patient evaluation for Isoniazid