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Sydney's hot summers and outdoor dining increase the risk of food poisoning. If you've been hit with gastro and need a medical certificate without leaving the bathroom, InstantMed can help. Same-day assessment from home — no trip to a clinic when you're already unwell. Certificate to your inbox, valid for all employers.
From $19.95 · No appointment needed
Call 000 or go to your nearest emergency department
Yes. InstantMed assesses gastro cases online. Describe your symptoms, get reviewed by an AHPRA-registered doctor, and receive your certificate via email — no clinic visit required.
Usually after 24 hours with no vomiting or diarrhoea. Some workplaces (food, healthcare) have stricter rules. Our doctor can advise on your specific situation.
You should stay home until 48 hours after your last episode of vomiting or diarrhea. This is especially important if you work with food, healthcare, or childcare.
Yes. Gastroenteritis is a legitimate reason for a medical certificate. Our doctors can provide one after assessing your symptoms.
Focus on clear fluids like water, oral rehydration solutions, and clear broths. Avoid dairy, caffeine, and fatty foods until symptoms resolve. Gradually reintroduce bland foods.
Yes, very. It spreads through contaminated food, water, and contact with infected people. Good hand hygiene is essential to prevent spreading it to others.
Our Australian-registered doctors are available now. Most consultations completed within an hour.
This information is for general educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before making decisions about your health. Content on this page has been reviewed by AHPRA-registered Australian doctors but does not replace a personalised medical consultation.