Mental health & neurodiversity
Anxiety medication guide
SSRIs, SNRIs, beta-blockers and short-term options - a plain-English guide to anxiety medication in the UK.
If you need urgent help
If you are in crisis, having thoughts of ending your life, or have seriously harmed yourself, this page is not the right route: call 999 or go to A&E now. For urgent but non-life-threatening mental health support, call NHS 111 and select the mental health option, or contact Samaritans free on 116 123, any time, day or night.
Key points
The essentials at a glance.
What to look out for, when to seek help, who assesses and treats it, and the options that work.
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01
SSRIs (such as sertraline) are first-line medication for most anxiety disorders and take several weeks to work fully.
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Anxiety can transiently worsen in the first one to two weeks of an SSRI - starting low and going slow helps.
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Beta-blockers such as propranolol ease physical symptoms like tremor and palpitations but do not treat the anxiety itself.
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Benzodiazepines are effective short-term but cause dependence and are not a long-term treatment.
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Medication decisions and reviews sit with your GP or a psychiatrist; combining medication with therapy usually gives the best results.
Understanding it
What it is, and how to get help.
In plain English - what is going on, and the assessment and treatment routes available in the UK.
Medication is one of the two main evidence-based treatments for anxiety disorders, alongside psychological therapy. The workhorses are SSRIs and SNRIs, which gradually turn down the threat system over weeks; other options fill specific roles, from performance situations to short-term crises.
A good prescribing plan covers what to expect in the first weeks, how long to continue once well - usually at least six months - and how to stop gradually when the time comes. A psychiatrist is worth involving when first-line options have not worked or the picture is complicated. NHS mental-health waits can be long, particularly for specialist psychiatric review. Privately, an initial consultation with a consultant psychiatrist can typically be arranged within around two weeks.
A quiet reminder
This guide is for information, not medical advice.
Your GP or mental health professional knows your history and can tell you which parts apply to you. If in doubt, speak to them.
Published 2026-09-27 · Next review 2027-09-27
Frequently asked
Common questions about Anxiety medication guide.
Quick, plain-English answers to what people ask us most.
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What medications are used to treat anxiety?
Common medications include SSRIs and SNRIs (typically first-line for ongoing anxiety), and sometimes short-term benzodiazepines for acute severe symptoms, chosen based on the specific anxiety condition and individual factors.
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How do anxiety medications work?
Most work by adjusting levels of brain chemicals like serotonin and noradrenaline involved in mood and anxiety regulation, helping reduce excessive worry and physical anxiety symptoms over time.
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Are anxiety medications safe?
Yes, when prescribed and monitored appropriately, they are generally safe and effective, though like all medications they carry potential side effects and considerations that should be discussed with your doctor.
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How long does it take for anxiety medication to work?
SSRIs and SNRIs typically take four to six weeks to show their full effect, while benzodiazepines work within hours but are generally recommended only for short-term use due to dependence risk.
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What are the side effects of anxiety medications?
Common side effects of SSRIs/SNRIs can include nausea, sleep changes, and sexual side effects, often improving after initial weeks, while benzodiazepines can cause sedation and carry dependence risk with longer-term use.
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SSRIs vs benzodiazepines for anxiety — what's the difference?
SSRIs work gradually over weeks and are generally suitable for longer-term anxiety management with low dependence risk, while benzodiazepines act quickly for acute severe anxiety but carry dependence risk with prolonged use, making them generally reserved for short-term or occasional use.
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Can anxiety medication be combined with therapy?
Yes, combining medication with psychological therapy, particularly cognitive behavioural therapy, often provides better outcomes than either treatment alone for many anxiety disorders.
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Can anxiety medication be stopped once feeling better?
Yes, but this should be done gradually under medical guidance rather than suddenly, as abrupt discontinuation of some medications, particularly benzodiazepines, can cause withdrawal effects.
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What if the first anxiety medication tried doesn't work?
It's common to need to try a different medication or adjust the dose if the first choice isn't effective or causes troublesome side effects, which is a normal part of finding the right treatment.
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When should I discuss anxiety medication options, and how quickly can I be seen privately?
Discuss options with your GP or psychiatrist when considering treatment. Routine GP appointments are usually available within days to weeks, and private psychiatric consultation is often available within about a week.