Thiamine: Difference between revisions
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==Pharmacology== | ==Pharmacology== | ||
*Half-life: | *Half-life: Unknown | ||
*Metabolism: | *Metabolism: Liver, CYP450, Unknown | ||
*Excretion: | *Excretion: Urine | ||
==Mechanism of Action== | ==Mechanism of Action== |
Revision as of 18:14, 15 February 2016
Administration
- Dosage Forms: 50,100,250,500mg
- Routes of Administration: IM, IV
- Im or IV routres require: Intradermal skin test before use if hypersensitivity risk
- Common Trade Names: Vitamin B1
Adult Dosing
- Beriberi
- 10-20 mg IM tid x 2wk
- Then 5-30 mg PO qd x1mo
- 10-20 mg IM tid x 2wk
- Wet beriberi w/ CHF
- 10-30 mg IV tid
- Wernicke encephalopathy
- 100 mg IV x1
- Then 50-100 mg IM/IV qd
- 100 mg IV x1
Pediatric Dosing
Special Populations
- Pregnancy Rating: A (according to dietary reference intake)
- Lactation risk: Safe
Contraindications
- Allergy to class/drug
Adverse Reactions
Serious
- anaphylaxis
- angioedema
- cyanosis
Common
- injection site pain
- pruritus
- warmth sensation
- urticaria
Pharmacology
- Half-life: Unknown
- Metabolism: Liver, CYP450, Unknown
- Excretion: Urine