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Get a Sick Note for Anxiety

Anxiety is a clinically valid reason to take time off work, issued by a UK GP with full sensitivity and confidentiality.

You should not have to explain yourself in a waiting room to get the documentation you need. Get a signed GP sick note most same day, all by 9AM next morning. No appointment needed.

✔ Anxiety, panic disorder, generalised anxiety and related conditions all covered.
✔ Treated with full clinical sensitivity and confidentiality.
✔ Most same day. All by 9AM next morning. From £47.
✔ Full refund if the GP cannot issue.

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UK GMC Doctors

Need ongoing documentation? See also our sick note, stress leave certificate and mental health support letter.

Get your medical certificate delivered straight to your inbox from £37

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GMC Registered Doctors
Information Commissioner's Office
In partnership with NHS Doctors


How It Works

01

Complete a short online questionnaire

No appointment required. Complete a short medical questionnaire and upload any supporting evidence.

02

Doctor reviews your evidence

A GMC-registered doctor reviews your submission individually. No automated approvals.
✔ Full refund if the GP cannot issue.

03

Receive your certificate

Certificates arrive most same day, all by 9AM next morning, delivered as a signed PDF direct to your inbox.

Sick Note for Anxiety

Anxiety is one of the most common reasons people are signed off work in the UK — approximately one in three fit notes issued by GPs relates to a mental health condition, with anxiety, stress, and depression the leading causes. A sick note for anxiety is a medical document from a GMC-registered doctor confirming that your anxiety is affecting your ability to work and certifying a period of absence.

MedicalCert provides anxiety sick notes through GMC-registered UK doctors, issued the same day following an online clinical assessment. No GP appointment, no waiting room, no need to explain your situation face-to-face.

Anxiety sick note vs stress leave certificate vs mental health support letter: These are related but different documents. A sick note for anxiety certifies a period of absence from work due to anxiety symptoms. A stress leave certificate is more specifically framed around occupational stress. A mental health support letter documents your condition for ongoing purposes — housing, university, or workplace adjustments — without necessarily certifying absence.

For general guidance on mental health sick notes — including the 7-day rule, sick pay entitlement, SSP changes from April 2026, your legal rights, and what the certificate contains — see our mental health sick note guide. This page covers what is specific to anxiety.


Can You Get a Sick Note for Anxiety?

Yes. Anxiety is a legitimate medical condition and a valid reason to be signed off work in the UK. Under UK employment law, mental health conditions are treated the same as physical illness — your employer cannot refuse to accept a valid sick note because the underlying condition is psychological rather than physical.

A GP does not need to diagnose a specific anxiety disorder to issue a sick note. If your symptoms are affecting your ability to do your job — whether through difficulty concentrating, panic attacks, severe sleep disruption, or an inability to face the workplace — a certificate can be issued where clinically appropriate.

The fit note will typically list the condition as “anxiety”, “anxiety and depression”, or “stress and anxiety” — keeping clinical detail to the minimum required while giving your employer the documentation they need. You are not required to share additional medical detail beyond what appears on the certificate.


Anxiety Symptoms That Affect Fitness for Work

A sick note is issued based on how your symptoms impact your ability to work — not on a formal diagnosis alone. The following are common presentations that a doctor considers when assessing whether a period of absence is clinically appropriate:

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Panic attacksSudden episodes of intense fear, chest tightness, breathlessness, or dizziness that prevent safe attendance at work.

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Concentration and cognitive impairmentInability to focus, racing thoughts, or decision-making difficulties that significantly reduce work capacity.

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Sleep disruptionSevere insomnia or hyperarousal preventing restorative sleep, resulting in fatigue that makes work unsafe or unmanageable.

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Agoraphobia or avoidanceAnxiety so severe it prevents leaving the house, commuting, or entering the workplace environment.

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Workplace-triggered anxietySevere anxiety responses specifically triggered by work — meetings, interactions, deadlines, or the work environment itself.

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Physical symptoms of anxietyHeadaches, nausea, chest pain, muscle tension, or gastrointestinal symptoms directly caused by anxiety.

A sick note is not automatically issued on request. The doctor assesses the clinical picture — severity of symptoms, functional impact, and whether a period of rest is medically appropriate — before deciding whether to issue. Be honest and specific when describing your symptoms and how they affect your working day.

Your Legal Rights — Anxiety and Sick Leave


Returning to Work — Reasonable Adjustments for Anxiety

A sick note can include recommendations for workplace adjustments to support your return. If your anxiety meets the Equality Act disability threshold, your employer has a legal duty to consider reasonable adjustments. Even where it does not, employers have a general duty of care to support a safe return. ACAS guidance sets out examples of adjustments commonly made for anxiety:

Phased return — reduced hours building back gradually
Working from home to reduce commuting and social demands
Flexible start and finish times to avoid rush-hour triggers
Reduced workload or temporary removal of high-pressure responsibilities
Agreed communication method (e.g. avoiding unplanned phone calls)
Quiet workspace away from open-plan areas
Regular check-ins with a manager or HR for structure and support
Flexibility around absence triggers without formal disciplinary action

If you need formal documentation of recommended workplace modifications upon your return, a work adjustment certificate provides a more detailed clinical basis for adjustment requests than a standard sick note.


Anxiety Sick Note FAQs

There is no legal maximum period. The duration is determined by clinical assessment. Each MedicalCert certificate covers up to 14 days, with extensions available if you remain unfit to work. For short-term acute anxiety episodes, 1–4 weeks is common. More persistent anxiety or anxiety linked to a specific workplace situation may require longer certified absence, reviewed on an ongoing basis. Statutory Sick Pay is available for up to 28 weeks if you meet eligibility criteria.
No. A formal diagnosis of generalised anxiety disorder (GAD) or another specific anxiety condition is not required. The doctor assesses your current symptoms and how they are affecting your ability to work. If your anxiety is clinically significant and impairing your work capacity — even without a prior formal diagnosis — a certificate can be issued where appropriate. Be specific about your symptoms and their impact when completing the consultation form.
It can. Anxiety meets the Equality Act 2010 disability definition if it has had a substantial and long-term adverse effect on your ability to carry out normal day-to-day activities — meaning it has lasted or is likely to last 12 months or more. If this threshold is met, your employer has a legal duty to consider reasonable adjustments and cannot discriminate against you because of your condition. Recent employment tribunal decisions have also confirmed that workplace-specific anxiety can qualify as a disability even where symptoms are mainly triggered at work rather than in everyday life.
Yes. Anxiety affecting your ability to study, sit exams, or meet deadlines is a valid reason for a medical certificate for mitigating or extenuating circumstances at university. See our dedicated pages for university sick note and student mitigating circumstances letter — these are framed specifically for academic use rather than employment.
For further questions about employer obligations, sick pay, private vs NHS certificates, and backdating, see the mental health sick note FAQ.