Strep Throat: How Long Should You Stay Off Work?
If a clinician has diagnosed strep throat and prescribed antibiotics, public-health guidance says to stay home for the first 24 hours after starting the antibiotic. After that, whether you can return depends on how you feel, the duties involved, the clinician’s advice, and your workplace policy. This guide is general information, not a diagnosis or treatment plan.
Strep Throat Needs Clinical Assessment
Strep throat is a bacterial infection that can cause sudden severe sore throat, pain with swallowing, and fever. A clinician may use an examination and a throat test to diagnose it. Not every sore throat is strep, and antibiotics are not appropriate without clinical assessment.
MyHealth Alberta and HealthLink BC say that antibiotics can reduce the time a person is likely to spread confirmed strep throat. People are generally much less likely to spread it within 24 hours of starting antibiotics. Follow the treatment instructions from the clinician managing your care and take medication exactly as prescribed.
Work and Short-Term Absence
For a confirmed case, take the first day of antibiotic treatment away from work if your clinician advises it, and avoid returning while fever, severe symptoms, or the demands of the job make work unsafe. Jobs involving close contact, food, health care, or vulnerable people can have additional workplace rules.
When you need to call in sick, follow the employer’s reporting process, state that you are unable to work, and keep a copy of the message. A document can support an absence where appropriate, but it does not guarantee leave approval, pay, or any employment outcome.
When to Seek Urgent Care
Call emergency services for severe difficulty breathing or trouble swallowing saliva. Seek prompt medical assessment for a severe one-sided sore throat with fever and swelling around a tonsil, or a sandpaper-like rash that may suggest scarlet fever. Contact a clinician if symptoms do not improve after two days of prescribed antibiotic treatment.
Documentation Scope
MedLetter reviews requests for documentation of short-term acute illness, generally one to five days, when a physician independently determines documentation is clinically appropriate. It does not diagnose strep throat, prescribe medication, replace a treating clinician, or provide documentation for chronic conditions, disability, mental-health leave, workplace injury, surgery recovery, or extended absences.
Frequently Asked Questions
How long is strep throat contagious after antibiotics?
HealthLink BC says most people stop being contagious 24 hours after starting antibiotics. Follow the treating clinician’s instructions, especially if symptoms are severe or your workplace has additional infection-control rules.
Can I return to work after 24 hours of antibiotics?
The 24-hour guidance addresses contagiousness, not every return-to-work decision. Consider whether you have fever or severe symptoms, can perform your duties safely, and have received different instructions from your clinician or employer.
Do I need a sick note for strep throat?
That depends on the workplace policy and applicable employment rules. A note is not automatically required or automatically accepted. Report the absence promptly and check the relevant policy.
Can an online note diagnose strep throat or prescribe antibiotics?
No. Diagnosis and treatment require appropriate clinical care. Seek a clinician if you think you may have strep throat or have urgent symptoms.
Sources: MyHealth Alberta: Strep Throat | HealthLink BC: Strep Throat
Related: Sick Note Canada | How to Submit a Sick Note to an Employer | Can an Employer Require a Sick Note?