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Generic prescribing for epilepsy. Is it safe?
P Crawford1, W W Hall, B Chappell
1Department of Neurology, Bootham Park Hospital, York, UK.
Seizure
|March 1, 1996
Summary
Switching generic antiepileptic drugs may cause seizures or side effects. This study found potential negative health impacts outweighing cost savings, impacting epilepsy patient care and increasing healthcare burdens.
Area of Science:
- Pharmacology and Neurology
- Public Health and Healthcare Management
Background:
- Generic prescribing of antiepileptic drugs (AEDs) for epilepsy is debated.
- Concerns exist regarding potential adverse events and therapeutic efficacy when switching between AED manufacturers.
Purpose of the Study:
- To investigate if switching generic manufacturers of AEDs leads to changes in seizure incidence or side effects.
- To evaluate the impact of generic AED switching on patient health and healthcare resource utilization.
Main Methods:
- A study involving 40 general practices and 2285 epilepsy patients using carbamazepine, phenytoin, or sodium valproate.
- Questionnaires were distributed to patients, followed by interviews for those reporting issues after switching AED manufacturers.
Main Results:
- Out of 1333 respondents, 251 (18.7%) reported switching AED manufacturers.
- 10.8% of switchers had validated problems, while 9.9% had unproven issues; 70.5% reported no problems.
Conclusions:
- The cost savings from generic prescribing may be offset by negative health outcomes for epilepsy patients.
- Increased patient problems and workload for general practices suggest potential negative impacts on healthcare efficiency and social costs.