Protionamide

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 12.11.2021

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Synonym(s)

PTH

Definition
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Half-life
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2–4 h

Indication
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Combination therapy of tuberculosis, especially for isoniazid resistance.

Limited indication
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Chronic alcohol abuse, gastrointestinal ulcers, acute gastritis.

Dosage and method of use
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  • adults: 5-15 mg/kg bw/day p.o. or i.v.
  • children: 15-25 mg/kg bw/day p.o./i.v.
  • Infants/children: 4 years 25 mg/kg bw/day.
  • children 5-8 years 20 mg/kg bw/day.
  • children > 9 yrs. 15 mg/kg bw/day.

Undesirable effects
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Myelosuppression, hypoglycemia, gynecomastia, hypothyroidism, gastrointestinal disorders, metallic taste, hepatitis, jaundice, allergic reactions, pellagroid symptoms, peripheral and central nervous disorders, dizziness, headache, depression, seizures.

Interactions
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See Table 1.

Contraindication
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1st trimester pregnancy, lactation, severe liver dysfunction, convulsions, psychosis.

Preparations
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Ektebin, Peteha

Tables
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Major interactions of protionamide

Alcohol

Central nervous effects ↑

Antidiabetic agents, oral

Hypoglycemia

Barbiturates

Barbiturate degradation ↓

Insulin

Hypoglycemia

Isoniazid

Hepatotoxic and central nervous effects ↑

Pyrazinamide

hepatotoxic effects ↑

Rifampicin

hepatotoxic effects ↑

Incoming links (2)

Antituberculotic drugs ; Pth;

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Last updated on: 12.11.2021