Acute nausea and vomiting treatment

Nausea and vomiting are among the most miserable everyday symptoms — and among the hardest to get seen for quickly, because they tend to strike overnight, on weekends, or while you’re travelling. A community pharmacy is often the most accessible place to get sensible help fast. Many pharmacies can now assess nausea and vomiting, give clear rehydration advice and, where state rules allow, supply anti-sickness treatment — while keeping a careful eye out for the signs that mean you need a doctor.

What is acute nausea and vomiting?

Nausea is the unpleasant feeling that you are about to be sick; vomiting is bringing up the contents of your stomach. “Acute” means it has come on recently and is expected to be short-lived. It is a symptom, not a disease in itself, and the body often uses it to expel something harmful.

Common causes of short-term nausea and vomiting include viral gastroenteritis (“gastro”), food that hasn’t agreed with you, motion sickness, migraine, the side effects of some medicines, and morning sickness in early pregnancy. Most episodes settle on their own within a day or two. The real risk in that time is not the vomiting itself but dehydration, especially in young children, older people and anyone who can’t keep fluids down — which is why fluid replacement is the centre of managing it.

Who is it for?

A pharmacy service suits otherwise well adults and (depending on the program) older children with recent, uncomplicated nausea and vomiting. Eligibility and age limits vary by state and territory.

The pharmacist will ask when it started, how often you’re vomiting, whether you can keep any fluids down, whether there is diarrhoea, fever, pain or blood, what you’ve eaten, what medicines you take, and — importantly — whether pregnancy is possible. They are sorting simple, self-limiting cases from those that need medical assessment.

You should not rely on a pharmacy service, and should seek medical care, if there are signs of significant dehydration (very little urine, dizziness, marked weakness, a dry mouth and sunken eyes), if you are vomiting blood or material that looks like coffee grounds, if there is severe or constant abdominal pain, if the vomit is green (bile) or you have a swollen, tender abdomen, if there is a severe headache, stiff neck or confusion, if symptoms follow a recent head injury, if a baby or young child is affected and is lethargic or not producing wet nappies, or if vomiting has gone on for more than a day or two. Pregnancy with severe, persistent vomiting also needs medical review.

How it works at the pharmacy

In a private area, the pharmacist works through their checklist and, where you fit the protocol, focuses first on rehydration. The mainstay is oral rehydration solution — sipped in small, frequent amounts, which is far more effective than gulping large drinks that come straight back up. Where appropriate and allowed by state rules, the pharmacist may also supply a short course of anti-nausea (antiemetic) medicine to help you keep fluids down, choosing one suited to the likely cause and to you (for example, avoiding medicines that aren’t suitable in pregnancy). Otherwise they’ll refer you.

Practical advice usually includes:

• Sip fluids little and often — small amounts every few minutes beats one big glass.
• Use oral rehydration salts rather than plain water alone or sugary soft drinks, particularly if there’s diarrhoea too.
• Reintroduce bland food gradually once the vomiting eases; don’t force it.
• Rest, and avoid alcohol and strong smells.
• Wash hands thoroughly — gastro is very contagious — and stay away from work, school and especially food handling and healthcare settings until 48 hours after symptoms stop.

There is usually a fee for the consultation and any medicine. Phone ahead to confirm the service is running.

Safety and when to see a doctor

Get medical help if you can’t keep any fluids down, if you’re becoming dehydrated, if there’s blood in the vomit, severe abdominal pain, a high fever, a bad headache with a stiff neck, or confusion, or if symptoms last more than a couple of days. Babies, young children, older people, people with diabetes and anyone with a serious underlying illness can deteriorate faster and should have a lower threshold for being seen. The pharmacist is trained to recognise these patterns and refer promptly.

How it’s regulated in Australia

Pharmacist treatment of acute nausea and vomiting is part of the expanding community pharmacy scope of practice, run under state and territory arrangements rather than a single national program. Queensland’s scope of practice program has been the most advanced, with other jurisdictions running their own pilots. Pharmacists who supply treatment complete additional training, work to defined clinical protocols, and are registered with the Pharmacy Board of Australia. The conditions covered and the rules vary between states and keep changing.

Official sources

• Healthdirect: nausea and vomiting
• Healthdirect: dehydration
• Pharmacy Board of Australia

Phone ahead to confirm availability and any age rules. Use the button below to find a pharmacy listing a nausea and vomiting service near you.