1
Choose your certificate
Select Sick Leave Certificate on the OMC Health booking page and describe your symptoms. From 9.99, takes about 2 minutes.
SICK LEAVE
Sick Leave Certificate for Asthma
An acute asthma flare-up, with wheezing, breathlessness or chest tightness, can make you genuinely unfit for work.
Book a real-time phone 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.
AHPRA-registeredAustralian GPs
Real-time consultation 7 days a week
Same-day emailif approved
9.99Transparent pricing
Full refund if not clinically appropriate. Your diagnosis stays confidential.
When an Asthma Flare-Up Affects Your Ability to Work
Asthma exacerbations vary widely in severity, and it's rarely just the wheezing itself that makes a shift unworkable. Reduced airflow, persistent coughing that breaks up your sleep, and the fatigue that follows can all chip away at concentration and physical capacity well before symptoms feel dramatic, and a sick leave certificate confirms that a period of rest is clinically appropriate. This matters most in roles involving dust, fumes, cold air, physical exertion or extended time outdoors, where a mild flare-up on a normal day can become genuinely disabling.
- Wheezing, chest tightness or breathlessness affecting normal duties
- Coughing episodes disrupting sleep, leading to daytime fatigue
- Recent exposure to a trigger, dust, smoke, pollen or a respiratory infection
- Increased reliance on a reliever inhaler beyond your usual pattern
What Your GP Assesses During the Consultation
The GP will ask when your symptoms started, how they're affecting your ability to perform your specific work duties, and whether your usual reliever or preventer medication is managing the flare-up. They'll also want to know whether this is a new presentation or an exacerbation of asthma you already manage, since that affects how they assess severity.
When a Video Consult May Be Needed
Phone is the default consultation method for an asthma-related certificate, and it's sufficient for most flare-ups, since the GP is largely assessing how your symptoms affect your capacity to work rather than performing a physical examination. If your presentation doesn't fit a familiar pattern, or the GP feels a visual assessment would genuinely help, they may ask to switch to video instead.
Asthma and work capacity
Asthma Work Capacity Depends on Breathing, Sleep and the Job Environment
An asthma flare that is manageable in a quiet indoor role may be much harder to work through in a job involving physical exertion, dust, fumes, cold air or prolonged speaking. Night symptoms can also reduce next-day alertness even when breathing has partly settled by morning.
The certificate decision should reflect the current flare and the actual work environment rather than the diagnosis alone. For ordinary personal leave, Fair Work explains the evidence principles that can apply when illness prevents an employee from working.
Dust, Fumes and Physical Exertion
Workplace exposure and exertion can aggravate symptoms even when resting symptoms appear moderate. The assessment should consider whether the person's actual duties involve exertion, airborne irritants, outdoor exposure or limited ability to pause when breathing worsens.
Night Symptoms and Next-Day Alertness
Poor sleep from coughing or wheeze can add a separate fatigue and concentration problem. A person whose breathing has improved by morning may still have reduced capacity for driving, physical duties or sustained concentration after a disrupted night.
When Severe Symptoms Bypass Telehealth
Severe breathing symptoms remain an emergency, not a routine certificate pathway. Difficulty speaking, blue or grey lips, or a reliever that is not helping requires urgent medical care rather than waiting for a certificate consultation.
Recognise an asthma emergency
Healthdirect's asthma attack guidance explains warning signs and what to do during a severe attack. If symptoms are severe or rapidly worsening, call 000.
Use the existing asthma action plan
If the person already has an asthma action plan, it should remain part of their ongoing management. Asthma Australia's action plan guidance explains how these plans support recognition and response to worsening symptoms.
Australian asthma context
For broader Australian data on asthma prevalence and burden, see the Australian Institute of Health and Welfare asthma report.
Asthma: Work Triggers and the Emergency Boundary
The same asthma symptoms can have a different impact depending on the work environment. The important distinction is whether workplace conditions are making normal duties difficult, or whether breathing has become severe enough that emergency care takes priority over any certificate request.
Workplace Triggers That Can Change Capacity
Work capacity should reflect the person's actual duties and exposures, not only how comfortable they feel while resting.
Dust and fumes
Construction, cleaning, manufacturing and similar environments may expose workers to airborne irritants that can aggravate breathing.
Physical exertion
Lifting, walking long distances, climbing or repetitive physical work can place greater demand on breathing than a sedentary role.
Cold or outdoor air
Outdoor and temperature-exposed work may be harder to perform during a current flare than controlled indoor duties.
Prolonged speaking
Teaching, call-centre, retail and customer-facing roles can become difficult when speaking itself worsens breathlessness or coughing.
Emergency Red Flags Bypass the Certificate Pathway
Severe or rapidly worsening breathing symptoms need urgent medical attention rather than waiting for a routine certificate consultation.
1
Difficulty speaking normally
Being unable to speak comfortably in full sentences because of breathlessness is an emergency warning sign.
2
Blue or grey lips
A blue or grey colour around the lips can indicate inadequate oxygen and requires urgent assessment.
3
Reliever not helping or symptoms worsening
If usual reliever treatment is not helping, or breathing is deteriorating quickly, do not wait for a certificate consultation.
Call 000 for severe breathing difficulty
A severe asthma attack is a medical emergency. Certificate documentation can be addressed later once immediate safety and treatment have been managed.
Certificate details
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.
Why Book With OMC Health
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 is not clinically appropriate
Your diagnosis stays confidential, the certificate does not disclose it to your employer
Simple steps, fast certificates.
Get your medical certificate online same day.
2
Consult with an AHPRA-Registered GP
By phone by default; video if the GP determines it's clinically needed.
3
Receive Your Certificate If Approved
If the GP determines it's clinically appropriate, your certificate is digitally issued and emailed the same day.
Secure, private and confidential.Your information is encrypted and never shared.
PRICING
Simple, transparent pricing
One-off payment. No hidden fees. If the GP declines, you get a full refund.
FROM$9.99
One-off payment. All prices include GST.
View full pricing details- AHPRA reviewed by a registered GP
- Delivered on the same day if approved
- Secure and confidential
- Full refund if GP declines
- No hidden fees
Secure payment
Same-day delivery
Frequently Asked Questions
View all FAQsYes. An AHPRA-registered GP can assess an asthma flare-up by phone and determine whether a certificate is clinically appropriate, provided a physical examination isn't required for your presentation.
There's no fixed number. The GP weighs the severity of your symptoms and how you're responding to your usual medication, then certifies whatever period is clinically appropriate.
No. The certificate confirms that you were assessed as unfit for work for the covered period; it doesn't disclose asthma or any diagnosis unless you choose to include them. Employers can independently confirm a certificate is genuine through certificate verification portal, which doesn't reveal clinical details either.
Yes, for most flare-ups. A phone consult with an AHPRA-registered GP is usually sufficient, and every OMC Health GP's registration status is publicly checkable on the AHPRA register of practitioners.
Don't book a telehealth certificate consult. If you're struggling to breathe or speak in full sentences, or your reliever inhaler isn't helping, call 000 or go to your nearest emergency department immediately.
Get Your Certificate Today
If an asthma flare-up has made you unfit for work, book a phone consult now.
Asthma can affect work or study when coughing, wheezing, chest tightness or shortness of breath limits normal activity. A doctor can assess whether symptoms are controlled, whether your duties are safe, and whether temporary leave is appropriate. Severe breathing difficulty, blue lips, faintness or poor response to reliever medication requires urgent emergency care.