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Story summary
- The National Health Service (NHS) warns that St John's wort can interact with citalopram and trigger serotonin syndrome.
- Citalopram is a selective serotonin reuptake inhibitor commonly prescribed in the UK and Ireland.
- Most adults and children over 12 can take it, but heart issues or epilepsy require medical advice.
- Common side effects include insomnia, dry mouth, and sexual dysfunction, often resolving after a few weeks.
