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NHS Issues Health Alert for Citalopram Users Regarding St John's Wort

10/16/2025, 12:29:32 PM

Overview of Citalopram and Its Uses

Citalopram is a commonly prescribed antidepressant in the UK and Ireland, classified as a selective serotonin reuptake inhibitor (SSRI). It is primarily used to help individuals overcome depression and manage panic attacks. The medication is available in both pill and liquid forms and is typically taken once daily. While it can be consumed at any time, healthcare professionals recommend maintaining a consistent schedule, preferably in the morning for those experiencing sleep difficulties.

Health Alert: Risks of Combining Citalopram with St John's Wort

The NHS has issued a health alert advising individuals taking citalopram to avoid St John's Wort, an herbal supplement known scientifically as Hypericum perforatum. The NHS warns that combining these substances can significantly increase the risk of side effects and lead to a potentially fatal condition known as serotonin syndrome. This condition arises from dangerously elevated serotonin levels in the brain. If diagnosed and treated promptly, most individuals can expect their symptoms to resolve within 24 to 72 hours.

Side Effects of Citalopram

Citalopram can cause a range of side effects, which may vary in severity. Common side effects include insomnia, dry mouth, excessive sweating, fatigue, headaches, and nausea. More severe reactions can involve unexplained weight changes, increased bleeding, and heightened feelings of agitation. Additionally, sexual side effects may occur, such as painful erections and difficulties with ejaculation, which may persist even after discontinuation of the medication.

Who Should Avoid Citalopram?

Most adults and children aged 12 years and older can take citalopram; however, certain individuals may be at increased risk. Those with diabetes should consult their doctor, as citalopram can complicate blood sugar management. Patients with heart conditions may also find the medication unsuitable due to its potential to accelerate heart rate or cause irregular heartbeats. Furthermore, individuals with epilepsy may face heightened seizure risks while on citalopram.

Official Statements & Responses

The NHS emphasizes the importance of consulting healthcare providers regarding any concerns related to citalopram and potential side effects. They recommend that patients report any adverse effects through the Medicines and Healthcare products Regulatory Agency (MHRA) Yellow Card scheme, which collects data on drug-related side effects.

Criticism & Opposition

While the NHS alert focuses on the dangers of combining citalopram with St John's Wort, some critics argue that the risks associated with herbal supplements are often overstated. They advocate for more comprehensive research into the interactions between prescription medications and herbal remedies to better inform patients.

Verbatim Quotes

  • “It will increase your risk of side effects.” — NHS Health Alert
  • “The NHS website said: "Like all medicines, citalopram can cause side effects in some people, but many people have no side effects.” — NHS Website
  • “Sexual side effects usually stop after the first couple of weeks. Sometimes, however, they can be long-lasting and may not get better even after you stop taking the medicine. If this happens and it's a problem for you, go back to your doctor to see if there's another treatment you can try.” — NHS Guidance

This alert serves as a crucial reminder for patients to remain vigilant about their medication interactions and to consult healthcare professionals for personalized advice.