Month: September 2017
Some pharmacological interactions between herbal preparations and prescribed medication
Posted on September 2, 2017 by adminIn Medical
Reported pharmacological interactions of common herbal preparations with prescription medication from Medical Journal of Australia Feb 2017
St John’s Wort
- interferes with cyclosporine used to maintain transplants leading to rejection
- causes intermenstrual bleeding for women using the oral contraceptive
- reduces effectiveness of warfarin
- reduces bioavailability of theophylline , amitriptyline,, methadone, digoxin
- potentiates side effects of tricyclic and SSRI antidepressants
Asian Ginseng
- reduces effectiveness of immunosuppressive drugs
- increases effects of oral hypoglycaemic ( diabetes ) drugs
- increases side effects of MAOI antidepressants
- has accumulative effect on benzodiazepines ( Valium, Serepax)
Garlic
- increases liver toxicity of paracetamol
- increases effects of oral hypoglycaemic ( diabetes ) drugs
- increases incidence of bleeding in users of anticoagulant medication
Evening Primrose Oil
- lowers the seizure threshold for epileptics
- interferes with the action of some anticonvulsants including phenytoin ( Dilantin)
Dong Quai
- potentiates warfarin