Mental Health Sick Note

Mental health conditions are clinically valid reasons to take time off work, issued by a UK GP with full sensitivity and confidentiality.

When your mental health makes work impossible, the last thing you need is to explain yourself in a waiting room. Get a signed GP sick note. No appointment needed.

✔ Covers anxiety, depression, burnout, PTSD, OCD and related conditions.
✔ Treated with full clinical sensitivity and confidentiality.
✔ Most same day, or by 9am the next morning. From £47.
✔ Full refund if the GP cannot issue.

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Verifiable certificates
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UK GMC Doctors

Accepted by most UK employers, universities and insurers, subject to their own policies. All consultations are subject to clinical assessment and certificates are issued only where clinically appropriate.


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

Get your medical certificate delivered straight to your inbox from £47

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Doctors registered with the General Medical Council GMC Registered Doctors
Registered with the Information Commissioner's Office, registration number ZC112101 ICO Registered No. ZC112101
Compliant with the UK GDPR and the Data Protection Act 2018 GDPR UK Data Protection


How It Works

01

Complete short online consult

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.

✔ Full refund if a certificate cannot be issued.

03

Receive your certificate

Most certificates are issued same day, almost all by 9AM the next morning. Delivered as a signed PDF. A doctor will email you if more evidence is needed.

Certificate security

Every MedicalCert certificate can be checked as genuine

Each certificate is issued with anti-tampering protection and its own verification reference. If your employer, university, airline or insurer wants to confirm the document came from a GMC-registered doctor, they can check it against MedicalCert records. Altered or copied documents do not pass that check.

Verify a certificate

Very happy, I ordered my Medical Certificate in the early morning hours and before noon time of same day I had it on my inbox. Speedy service and they present the health condition precisely, get to the point.

Georgia K. · 2 months ago

They meet the incredibly fast turnaround stated (certificate/letter sent before 9am the following morning if the doctor feels that a letter/certificate is appropriate) which is incredibly quick and I am really grateful for the help provided!

Mark K. · 2 months ago

Very easy and quick to get my certificate. And the certificate was approved from the specific company to travel with my dog. I will use them again. Well done.

Emanouela M. · 2 months ago

Second time using this company and they are fabulous! Always great, fast, friendly service. Highly recommend!

Gemma H. · 3 months ago

This was my second time using Medical Cert, and once again the service was exceptionally quick and professional. Everything was handled efficiently, with clear communication throughout.

Hayley G. · 3 months ago

I found the service very straight forward and quick. Exactly what I needed to get my Padi medical form signed before our holiday. Thank you very much.

Trianda O. · 3 months ago

Process was easy and responses were quick. I would recommend their service.

Cameron M. · 3 months ago

Fast efficient service for medical certificates. I used the not fit to fly service and was provided with a certificate the next day, the price is very reasonable and enabled a flight credit refund with my airline. Would recommend and would use again if needed.

Katharine H. · 7 months ago

A fast and efficient service. It wasn't complicated and the Fit-to-fly note was accepted by the Airport without any further questions. Thank you.

Mick W. · 6 months ago

Ideal for me, I am looking to get a certificate for some medical issues I have. So this is the perfect solution for me, uploading docs was easy and the forms very straightforward to fill in. Will definitely use them again. Many thanks.

Nicholas O. · 7 months ago

Quick and reasonably pain-free. Received their standard certificate as well as my requested bespoke certificate, by email, by 9am the following morning. Both completed properly, signed and stamped as required. More expensive than my GP, but infinitely quicker and easier.

Will R. · 7 months ago

One of the best experiences. It's easy to get a GP note.

Himanshu T. · 3 months ago

Excellent. My GP refuses to issue DWP MED 3 Fit Notes to students. MedicalCert were excellent and extremely helpful in providing a necessary certificate. Highly recommended.

Graham H. · 9 months ago

You were amazing, you kept me updated and replied promptly to any queries I had. I thank you from the bottom of my heart.

Anne · 5 months ago

They helped me, they were very professional and nice.

Luna B. · 4 months ago

Very pleased. Quick service with very professional letter provided.

Ann C. · 7 months ago

Great service, pretty straight forward and easy to use the website.

Alexandru P. · 6 months ago

I was recommended Medical Cert by a friend and was so impressed with the service received. I would recommend using a laptop rather than a phone. Overall a fantastic and fast service.

Sarah · 5 months ago
Rated 4.8 / 5 based on 225 reviews. Showing our 5 star reviews.

Mental Health Sick Note

A mental health sick note is a medical certificate from a GMC-registered doctor confirming that a mental health condition is affecting your ability to work and certifying a period of absence. Mental health conditions are treated in UK law in the same way as physical illness. Employers should consider valid medical evidence and must not discriminate because of a disability, but workplace absence procedures and evidence requirements can vary. MedicalCert issues mental health sick notes same day, online, through GMC-registered UK doctors. No GP appointment, no waiting room. Submit before 9pm and receive your certificate the same day, or by 9am the following morning.

If you need help right now

A sick note is not urgent care. If your life is at risk, or you have seriously harmed yourself, call 999 or go to A&E now.

If you need urgent help and it is not an emergency, call 111 and select the mental health option, or use 111 online. Samaritans are open day and night on 116 123, free to call.

A mental health emergency is as serious as a physical one, and asking for help is never a waste of anyone's time.

22.1M
working days lost to work-related stress, depression or anxiety in 2024/25 (HSE)
964,000
workers with work-related stress, depression or anxiety in 2024/25 (HSE)
1 in 5
UK workers took time off sick due to poor mental health caused by stress in the past year (Mental Health UK, 2026)

Can You Get a Private Sick Note for Mental Health?

Yes. A private sick note for mental health is issued by a GMC-registered doctor after an online consultation, usually the same day, without an NHS GP appointment. Acceptance is a matter for your employer's absence policy: GOV.UK tells employers that, if they agree, an employee can give another appropriate form of evidence.

Many employers ask for evidence earlier than day 8, and a private certificate is appropriate in those cases. Where an absence is long, or where you are claiming a benefit rather than sick pay from an employer, an NHS certificate may still be required, so check what is being asked for before you apply.


Do You Need a Doctor's Note for Mental Health?

Mental health absence follows the same 7-day rule as physical illness. You can self-certify the first 7 calendar days, and from day 8 your employer can require written medical evidence. Stress and anxiety are no exception: you can self-certify for either without seeing a doctor. A formal psychiatric diagnosis is not required: certification records how your symptoms affect your ability to work.

Which mental health conditions can a sick note cover?

A sick note can be issued for any mental health condition that is affecting your ability to work, including anxiety, depression, stress, burnout, PTSD and panic attacks. The certificate describes how your symptoms limit what you can do at work, so the list below is indicative rather than exhaustive.

We issue sick notes for a wide range of mental health conditions. Each condition has a dedicated page with specific guidance on symptoms, workplace rights, and how to apply.
  • Anxiety, generalised anxiety, health anxiety, and anxiety-related work absence
  • Depression, clinical depression, low mood affecting your ability to work
  • Stress, workplace stress, occupational stress, being signed off with stress
  • Burnout, emotional exhaustion, detachment, reduced professional performance
  • Panic attacks and social anxiety, panic disorder, social anxiety disorder
  • PTSD, post-traumatic stress disorder following traumatic events
  • OCD, obsessive-compulsive disorder affecting daily functioning
  • Bipolar disorder, manic and depressive episodes affecting work capacity
  • Bereavement, grief, distress following the death of a close person

Can you get a sick note for ADHD, exhaustion, or stress and anxiety together?

Yes, if the doctor assesses that your symptoms are affecting your ability to work. A certificate can name more than one condition, so stress and anxiety can be recorded together on a single note. If your exhaustion is linked to work, our burnout page is the closest match. ADHD has no page of its own, and the same test applies to it as to every other condition: the certificate records how your symptoms affect what you can do at work, not the diagnosis alone.

Can a doctor refuse to give you a sick note?

Yes. A doctor issues a certificate only after assessing your fitness for work, and only where, in their clinical judgement, your condition is affecting it. If a MedicalCert doctor cannot issue one, you receive a full refund. Our anxiety sick note page covers refusal in more detail.


When Do You Need a Mental Health Sick Note?

0, 7 calendar days

Self-certification. You can inform your employer you are unwell without a doctor's certificate. Mental health is a valid reason. All calendar days count including weekends. Your employer's own absence policy may still ask for evidence for short or repeated absences, and a private certificate can be used where they do.

8+ calendar days

Your employer can ask for medical evidence: an NHS fit note, or a private sick note if your employer accepts one. MedicalCert provides same-day mental health sick notes, no GP appointment needed. Submit online, receive your certificate by email the same day.

Some employers request documentation earlier than 7 days, particularly where there is a pattern of short-term mental health absences, or where their own absence policy specifies a shorter trigger. A private MedicalCert sick note is fully appropriate in these cases even within the first seven days. You can also apply for a certificate to cover a period of absence that has already begun.

How long can a doctor sign you off work for mental health?

It is a clinical judgement, and there is no set length for any mental health condition. For an NHS fit note, GOV.UK guidance allows a maximum of three months at a time during the first six months of a condition, with a review date where one is needed. Once a condition has lasted longer than six months, a note can cover any clinically appropriate period.


Sick Pay for Mental Health Absence

Statutory Sick Pay (SSP) applies to mental health absence in exactly the same way as physical illness. If you are off sick with a mental health condition and meet the eligibility criteria, your employer must pay SSP.

Current SSP rules (from 6 April 2026: Employment Rights Act 2025)

SSP is payable from your first day of absence. The previous three-day waiting period has been abolished. The lower earnings limit has also been removed, so employees no longer need to earn above a minimum weekly threshold to qualify. The current rate is £123.25 per week for up to 28 weeks, or 80% of average weekly earnings, whichever is lower. These changes are particularly significant for part-time workers and those in lower-paid roles, who previously did not qualify or received nothing for the first three days of a mental health absence.

Your employer may offer enhanced sick pay beyond SSP under a contractual scheme, check your employment contract. SSP is the legal minimum. If SSP ends after 28 weeks, you may be eligible for Employment and Support Allowance (ESA), a Med3 note from an NHS GP is required for ESA claims specifically.


Your Legal Rights: Mental Health and Sick Leave


What Your Mental Health Sick Note Includes

Your certificate is issued as a signed PDF, verifiable by your employer via QR code. It includes:

Certificate contents

  • ✔ Your full name, date of birth, and contact details
  • ✔ Condition confirmed as affecting fitness for work (e.g. "anxiety", "depression", "stress and burnout", "PTSD")
  • ✔ Certified period of absence, from and to date
  • ✔ "Not fit for work" or "may be fit for work" with recommended adjustments
  • ✔ Recommended workplace adjustments, where included
  • ✔ GMC registration number of the signing doctor
  • ✔ Unique QR code for employer verification
⚠ Important: MedicalCert issues private medical certificates valid for employer sick leave and SSP purposes. We do not issue NHS Med3 Fit Notes. A Med3 is required specifically for government benefit claims such as Employment and Support Allowance (ESA), for ESA, a Med3 must be issued by your NHS GP or NHS healthcare provider. Whether your employer accepts a private sick note in place of a fit note is their decision. GOV.UK tells employers that, if they agree, an employee can give another appropriate form of evidence instead.

How to Get a Mental Health Sick Note Online: Same Day

1

Complete the online consultation

Describe your mental health condition, current symptoms, how long they have been present, and, critically, how they are preventing you from working. You don't need a formal diagnosis. Be specific about the functional impact: inability to concentrate, leave the house, manage social interactions, maintain routine, or perform tasks safely. Upload any supporting evidence if available (previous GP letters, prescriptions, referral letters).

2

A GMC-registered doctor reviews your case

One of our experienced GPs reviews your submission the same day and assesses whether your mental health symptoms are impairing your capacity for work. The doctor may contact you for further information before issuing. If the doctor cannot clinically support a certificate, you receive a full refund, no exceptions.

3

Certificate delivered to your inbox

If clinically appropriate, your signed certificate arrives same day (submit before 9pm) or by 9am the following morning. Forward it directly to your employer, HR, or payroll team. The embedded QR code allows your employer to verify the doctor's credentials and certificate authenticity instantly.

For condition-specific guidance including legal frameworks, symptoms, and return-to-work information, see the dedicated pages below.


Mental Health Sick Note FAQs

Yes. A sick note can cover a mental health condition in the same way as a physical one. Any mental health condition that affects your fitness for work, including anxiety, depression, stress, burnout, PTSD, OCD, bipolar disorder, and others, is a valid basis for a sick note. You do not need a formal prior diagnosis. The doctor assesses your current symptoms and their functional impact on your working capacity.
No. Your employer is entitled to see the sick note, which will confirm the nature of the condition in general terms (e.g. "anxiety" or "depression") and how it affects your fitness for work. You are not required to share your consultation content, clinical history, treatment details, or any other medical information. How much you disclose beyond the certificate is entirely your decision. If your condition may qualify as a disability under the Equality Act, you may choose to discuss this with HR to access reasonable adjustments, but this disclosure is voluntary.
No. GOV.UK guidance for employers says people do not need to be signed back to work, and that you can go back before your certificate runs out without seeing your doctor again. If your employer still asks for written confirmation that you are fit to return, our fit to work certificate covers it.
Yes, the choice of evidence is your employer's. The GOV.UK fit note guidance for employers says a private medical certificate can be accepted as medical evidence in the same way as a fit note, but only with the employer's agreement. If yours will not accept one, ask your NHS GP for a fit note. Every MedicalCert certificate carries the issuing doctor's GMC registration number, so your employer can check the doctor's credentials on the public register.
It can be, for your employer, if they choose to accept it. GOV.UK guidance tells employers that private medical certificates can be treated as medical evidence just like a fit note once they have agreed to accept them. It cannot be used for government benefit claims such as Employment and Support Allowance (ESA), which need an NHS fit note (Med3) from your GP or another NHS healthcare professional.
A doctor can issue a certificate covering a previous period of absence where the clinical evidence supports it. Supporting documentation such as prescription records, previous GP letters, referral letters, therapy records, or other evidence of your condition during that period strengthens the application. If you have been genuinely unfit for work but have not yet obtained documentation, apply as soon as possible and include any contemporaneous evidence you have.
It may do. A mental health condition qualifies as a disability under the Equality Act 2010 if it has had a substantial and long-term adverse effect on your ability to carry out normal day-to-day activities for 12 months or more, or is likely to. Conditions commonly meeting this threshold include anxiety disorders, depression, bipolar disorder, PTSD, schizophrenia, OCD, and eating disorders. Recurring conditions, where each individual episode is shorter than 12 months but the overall pattern spans 12 months, can also qualify. Where the threshold is met, your employer has a legal duty to consider reasonable adjustments and cannot discriminate against you on grounds of your condition.
Yes. Mental health conditions affecting your ability to study, attend lectures, or meet academic deadlines are valid grounds for medical documentation at university. See our dedicated pages for a university sick note or a student mitigating circumstances letter, both are framed specifically for academic contexts rather than employment, and follow the evidence formats most universities accept.
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Reviewed by Dr Maria Knobel

Medical Director, MedicalCert · GMC 7495073 · Last updated: 23 September 2026