
Sick Leave Certificate for Concussion
A concussion, even a mild one, can make concentration, screen time and normal work duties genuinely unsafe for a period.
Book a consult with an AHPRA-registered GP today. If the GP determines that a certificate is clinically appropriate, it's issued and emailed the same day.
Full refund if not clinically appropriate • Your diagnosis stays confidential
Why Concussion Symptoms Make Work Unsafe
A concussion affects brain function temporarily, and pushing through it at work, especially in cognitively or physically demanding roles, can slow your recovery. A sick leave certificate documents that you were assessed and provides legitimate time for the initial rest period required by concussion recovery.
If you've had a head injury and are experiencing these symptoms, book a consult to have it properly assessed.
- Headache, dizziness or balance problems after a head injury
- Difficulty concentrating, remembering things, or processing information
- Sensitivity to light or noise
- Fatigue or feeling mentally "foggy"
What Your GP Assesses During the Consultation
The GP will ask how the injury happened, what symptoms you've had since, and whether there are any red flags, worsening headache, repeated vomiting, loss of consciousness or confusion that suggest you need urgent in-person or emergency assessment rather than a telehealth consult.
Graduated Return to Work After Concussion
Australian concussion guidelines from the Australian Institute of Sport recommend an initial 24 to 48 hours of physical and cognitive rest, followed by a graduated return to normal activities, with return to work and study prioritised ahead of return to sport. Once you're ready to resume duties, particularly if there are any restrictions, your GP may recommend a Fitness for Work certificate to confirm you're cleared to return, rather than issuing an open-ended sick leave certificate.
Concussion Needs a Staged Return, Not a Fixed Clearance Date
Concussion recovery is not simply a countdown to a date. Headache, dizziness, concentration, screen tolerance and reaction time can improve at different speeds. A desk role, a driving job and a safety-critical physical role can therefore have very different return plans.
A certificate can document the current period of incapacity or restrictions, but a staged return is often more useful than waiting for every symptom to disappear. Australian concussion guidance supports a gradual, symptom-informed return to normal activities rather than relying on a single fixed clearance point. See the Australian Concussion and Brain Health Position Statement.
Cognitive Load and Screen-Heavy Work
Reading, screens, meetings and complex decision-making can reproduce symptoms even when light physical activity is tolerated. A return plan may therefore need to account for screen time, sustained concentration, meetings and the length of the workday.
Driving, Machinery and Safety-Sensitive Duties
Reaction time, dizziness and concentration matter more when the job puts the worker or others at risk. Driving, operating machinery, working at heights or other safety-critical tasks may need more cautious restrictions than low-risk office duties.
Red Flags That Change the Pathway
Worsening neurological symptoms or other concerning changes require urgent reassessment, not a routine certificate extension.
Do not extend a certificate without reassessment
New or worsening symptoms after a concussion can change the clinical pathway. The priority becomes reassessment and safety rather than documenting additional time away from work.
Staged return should match the role
Medical practitioners can use current Australian concussion guidance when considering symptom progression, functional demands and staged return. See the Concussion in Sport Australia practitioner resources.
Work absence evidence
Where concussion temporarily prevents an employee from working, ordinary personal-leave evidence may be relevant. Fair Work explains the evidence principles for personal and carer's leave.
Concussion Recovery Guidelines in Australia
The Australian Institute of Sport publishes the Australian Concussion Guidelines, with Sports Medicine Australia listed as a key partner. The guidelines include information for a safe return to education, work and sport. Healthdirect also provides general information on recognising concussion symptoms, recovery and when to seek urgent care.
Initial rest
Healthdirect recommends rest during the first 24 to 48 hours after a concussion.
Gradual return to activities
Normal activities, education and work should be reintroduced gradually according to symptoms and medical advice.
Avoid returning too quickly
Returning before recovery may worsen symptoms and increase the risk of another injury.
Official Concussion Resources
Read current Australian guidance on concussion symptoms, recovery and returning safely to normal activities.
What Your OMC Health Certificate Includes
If a certificate is clinically appropriate, the issued document includes the key information needed to identify the consultation, certified period and issuing practitioner.
Assessment date
Date of the GP consultation.
Certified period
Dates covered by the certificate.
Practitioner details
Issuing GP's name and professional details.
Practice details
Details of the issuing partner practice.
Signature
Digital or written practitioner signature.
Verification
QR code or unique verification details.
Focused on the Evidence Needed
The certificate's purpose is to document the GP's assessment and the relevant period or work capacity. Clinical details are included only where appropriate to the consultation and document purpose.
When to Seek Emergency Care Instead of a Certificate
A telehealth certificate consultation isn't appropriate when symptoms may indicate a serious head injury.
Worsening headache
A severe headache or headache that is continuing to get worse.
Repeated vomiting
Vomiting after the injury, particularly when it happens repeatedly.
Seizures or convulsions
Any seizure, convulsion or uncontrolled jerking movement following the injury.
Increasing confusion
Becoming increasingly confused, agitated, disoriented or less responsive.
Loss of consciousness
Loss of consciousness at the time of injury or becoming difficult to wake afterwards.
Call 000 or attend your nearest emergency department
These symptoms require urgent in-person medical assessment, not a certificate request.
Why Book With OMC Health
A clinical assessment is completed before any certificate is considered for approval.
AHPRA-registered GPs, available 7 days a week
Phone consult, no need to leave home while unwell
Certificate emailed the same day if approved
Full refund if the GP determines a certificate isn't clinically appropriate
Your diagnosis stays confidential; the certificate doesn't disclose it to your employer
Simple steps, fast certificates.
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Frequently asked questions
View all FAQsYes, for straightforward presentations without red flag symptoms. The GP will screen for warning signs first and may recommend an in-person review if anything concerns them.
This varies widely depending on severity and how you respond to initial rest. Many people need a short period fully off, followed by a graduated return; the GP determines what's appropriate for your presentation.
Yes. The GP assesses your current symptoms and how they affect your ability to work safely; they don't need imaging or a specialist diagnosis to issue a short certificate for initial rest.
This is a red flag. Don't wait for a telehealth consult; seek urgent in-person medical care or attend an emergency department, since worsening symptoms after a head injury need prompt assessment.
Often, yes. Once you're ready to resume duties, especially with restrictions, a Fitness for Work certificate confirms you're cleared, rather than relying on the original sick leave certificate.
Get Your Certificate Today
If a concussion has made you unfit for work, book a phone consult now.
Support and Resources
Multi-Day Sick Leave CertificateFor a multi-day medical certificate if your condition requires more days to manage your health.
A concussion is a mild traumatic brain injury that can cause headache, dizziness, nausea, fatigue, memory problems, light sensitivity and difficulty concentrating. Symptoms can affect work, study and driving even without loss of consciousness. Medical assessment is important after a head injury, especially if symptoms worsen or new neurological warning signs appear.