dosage

Last reviewed 01/2018

Treatment should be initiated with 500 mg taken once or twice daily. This low dose may permit early detection of behavioural side-effects and may allow tolerance to sedation.

The daily dose is increased by 1 g monthly; the optimal dose is in the range 2-3 g/day (the maximum daily dose of vigabatrin has been reduced to 3g) (1).

In the treatment of infantile spasms the daily doses are (1):

  • initiation: 40 mg/kg
  • final: 80-150 mg/kg

The summary of product characteristics must be consulted before prescribing this drug.

Reference:

  • (1) Current Problems in Pharmacovigilance (1999), 25, 13.