Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- rivastigmine
- VP-Precip (bilberry / evening primrose / flax)
Interactions between your drugs
evening primrose rivastigmine
Applies to: VP-Precip (bilberry / evening primrose / flax), rivastigmine
Some clinicians have suggested that evening primrose and borage oil, both of which contain the omega-6 fatty acid gamma linolenic acid (GLA), may lower the seizure threshold and increase the risk of seizures during co-administration with other epileptogenic agents. However, data regarding the effect of gamma linolenic acid on seizure threshold are conflicting and limited.
References (4)
- Miller LG (1998) "Herbal medicinals: selected clinical considerations focusing on known or potential drug-herb interactions." Arch Intern Med, 158, p. 2200-11
- Therapeutic Research Faculty (2008) Natural Medicines Comprehensive Database. http://www.naturaldatabase.com
- N. A. Michael Eskin (2008) "Borage and evening primrose oil." European Journal of Lipid Science and Technology, 110, p. 1
- Asadi-Samani M, Bahmani M, Rafieian-Kopaei M (2014) "The chemical composition, botanical characteristic and biological activities of Borago officinalis: a review." Asian Pac J Trop Med, 7S1, S22-8
Drug and food interactions
No alcohol/food interactions were found with the drugs in your list. However, this does not necessarily mean no food interactions exist. Always consult your healthcare provider.
Therapeutic duplication warnings
No duplication warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
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Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
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Further information
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