hub health treatments online

How Long Does Gastro Last?

what is gastro

If you’ve found yourself grappling with the discomfort of gastro, you’re not alone. In this article, we delve into the details of gastroenteritis, exploring its duration, symptoms, and key insights to help you navigate through this challenging experience. Whether you’re seeking quick relief for viral gastroenteritis symptoms or a better understanding of what lies ahead of this nasty stomach flu, join us as we unravel the mysteries of gastro and discover strategies for a smoother recovery.

And if you need an online medical certificate for gastro – we’ve got your back!

How is gastro spread?

Gastro is typically spread through the faecal-oral route, meaning the virus or bacteria causing the infection is transmitted from an infected person’s stool to another person’s mouth. The main ways gastro can spread include:

  • Person-to-Person Contact: Direct contact with an infected person who has not practised proper hand hygiene can lead to transmitting the virus or bacteria causing gastro. This often occurs when people share close living spaces, such as households, or through physical contact.

  • Contaminated Food and Water: Consuming food or water contaminated with the virus, bacteria, or parasites responsible for gastroenteritis is a common source of infection. Contaminated food can occur during preparation, and water can be compromised by inadequate sanitation or sewage contamination.

  • Surfaces and Objects: Touching surfaces or objects contaminated with the virus or bacteria and then touching the mouth can also spread gastro. This is why practising good hand hygiene and regularly cleaning and disinfecting shared surfaces is crucial, especially in settings where people are in close proximity.

  • Airborne Transmission: Some viruses that cause gastro, like norovirus, can become airborne in tiny droplets when an infected person vomits. Inhaling these droplets can lead to infection, making proper sanitation and isolation important in managing outbreaks.

Preventing the spread of gastro involves practising good hygiene, including thorough handwashing with soap and water, especially after using the toilet and before handling food. Proper food handling and preparation and maintaining clean living environments are key measures to reduce the risk of gastroenteritis transmission.

stomach flu, viral gastroenteritis, severe diarrhea

How long does it take to get over a gastro bug?

Navigating through the discomfort of a gastro bug involves understanding its duration, an important aspect of the recovery process. The timeline for overcoming a gastro infection can vary, but on average, most cases resolve within a week.

Individual experiences may differ, influenced by factors such as the specific virus or bacteria causing the infection, the individual’s overall health (e.g. those with a weakened immune system may take longer to recover), and the effectiveness of self-care measures taken. Mild cases might clear up within a few days, while more severe instances could extend the recovery period.

How long does it take for gastro to leave your system?

Understanding the exit timeline of this gastrointestinal issue is pivotal for managing expectations and promoting a smoother recovery. On average, gastro tends to run its course within a week, with symptoms gradually subsiding as the body combats the underlying infection. The duration, however, can vary based on factors such as the causative agent, overall health, and the effectiveness of self-care measures.

The acute phase of gastro, marked by symptoms like diarrhoea, vomiting, abdominal discomfort, and fever, may persist for a few days. As the body begins to overcome the infection, these symptoms gradually diminish. Maintaining hydration is crucial during this period to offset fluid losses caused by symptoms like diarrhoea.

weak immune system, stomach virus, contaminated water

What is the fastest way to recover from gastro?

When recovering from gastro, the desire for fast resolution is understandable. Here are some practical tips to answer the question, “What is the fastest way to recover from gastro?”

  • Stay Hydrated: Dehydration is a common concern during gastro, especially with symptoms like diarrhoea and vomiting. Replenishing fluids is crucial for a speedier recovery. Opt for clear liquids, electrolyte solutions, and oral rehydration solutions to maintain hydration levels.

  • Rest and Allow Your Body to Heal: Adequate rest is fundamental for recovery. Give your body the time and space it needs to combat the infection. Avoid strenuous activities and focus on relaxation to expedite the healing process.

  • Follow a Bland Diet: Ease back into eating with a bland diet that includes easily digestible foods. Bananas, rice, applesauce, and toast (BRAT diet) can be gentle on the stomach and help restore normal digestion.

  • Probiotics for Gut Health: Introducing probiotics can aid in restoring the balance of beneficial bacteria in your gut. Yoghurt and probiotic supplements may contribute to a faster recovery by supporting digestive health.

  • Over-the-Counter Medications: Consult a healthcare professional about gastro medications that may alleviate symptoms. Anti-diarrheal medications might help manage diarrhoea, but using them under guidance is crucial.

  • Practise Good Hygiene: Gastro can be highly contagious. Prevent the spread of infection by practising good hygiene, including regular handwashing, to protect yourself and others.

  • Monitor Symptoms: Keep a close eye on your symptoms. If they persist or worsen, seek medical advice promptly. Professional guidance can rule out complications and ensure an appropriate course of action.

Remember, while these tips can contribute to a faster recovery, each individual’s response to gastro varies. If you have severe concerns or symptoms, consulting with a healthcare professional is essential to tailor the recovery approach.

How long is gastro contagious for?

Understanding how long gastro is contagious is key for preventing its transmission to others. The contagious period can vary based on the cause of the infection. Still, individuals with gastro can generally spread the virus or bacteria to others from the onset of symptoms until a few days after recovery.

Viral Gastroenteritis

If the cause of gastro is a virus, individuals are typically contagious from the moment symptoms appear and for at least 48 hours after symptoms have subsided. However, some viruses can remain present in stool samples for several days or even weeks after symptoms resolve, indicating a potential for continued contagiousness.

Bacterial Gastroenteritis

In cases where bacteria are responsible for gastro, the contagious period may extend beyond the resolution of symptoms. For bacterial infections like Salmonella, individuals can remain infectious for several days to weeks after symptoms have ceased, as bacteria may still be present in the stool during this time.

To minimise the risk of spreading gastro:

  • Practice Rigorous Hygiene: Wash hands thoroughly and frequently with soap and water, especially after using the bathroom and before handling food.

  • Isolate Yourself: Stay away from work, school, and public places while symptomatic and for at least 48 hours after symptoms have resolved to prevent spreading the infection.

  • Disinfect Surfaces: Clean and disinfect surfaces that may have come into contact with the virus or bacteria to reduce the risk of contamination.

  • Avoid Sharing Personal Items: Refrain from sharing towels, utensils, and other personal items to prevent the transmission of the infection.

Being mindful of the contagious nature of gastro and taking proactive measures can contribute significantly to preventing its spread within communities and households. If there are concerns or questions about contagion, consulting with a healthcare professional can provide tailored guidance based on the specific circumstances of the individual case.

wash your hands, norovirus infection, gastro treatment

Recognising Gastro Symptoms

Gastroenteritis is characterised by inflammation of the digestive tract, leading to a range of unpleasant symptoms. The main symptoms of gastro are diarrhoea, nausea and vomiting. However, other symptoms can include abdominal pain, fever, muscle aches, headaches, and loss of appetite.

Symptoms can vary in intensity, and not everyone with gastro will experience all of these symptoms. If you or someone you know is exhibiting these signs, especially if they persist or worsen, seek medical advice. Prompt attention and appropriate care can contribute to a quicker and smoother recovery from gastroenteritis.

Hydration Strategies for Gastro Recovery

Maintaining adequate hydration is a cornerstone of recovering from gastroenteritis. The symptoms of diarrhoea and vomiting can lead to significant fluid loss, and replenishing these fluids can lead to a quick and healthy recovery. Here are effective hydration strategies to consider:

  • Oral Rehydration Solutions (ORS): ORS, available in pharmacies or prepared at home, contain a precise balance of electrolytes and sugars. This helps replace lost fluids and electrolytes more effectively than water alone.

  • Frequent Small Sips: Instead of consuming large amounts of fluid at once, aim for frequent small sips throughout the day. This approach is generally better tolerated and aids in preventing nausea.

  • Clear Liquids: Opt for clear drinking fluids, such as water, broth, clear soups, and herbal teas. These are easier on the stomach and help prevent further irritation.

  • Electrolyte-Rich Foods: Incorporate electrolyte-rich foods into your diet, such as bananas, coconut water, and sports drinks (diluted with water to reduce sugar content). These can help restore the balance of essential minerals.

  • Avoid Caffeine and Alcohol: Both caffeine and alcohol can contribute to dehydration, so it’s advisable to steer clear of these beverages until you’ve fully recovered.

  • Ice or Ice Blocks: If you’re finding it challenging to consume liquids, sucking on ice cubes or ice blocks can replace fluids in smaller, more manageable amounts.

  • Monitor Urine Colour: Pay attention to the colour of your urine. Pale yellow indicates adequate hydration, while dark yellow or amber may suggest dehydration.

  • Gradual Introduction of Solid Foods: As you start to feel better, introduce bland and easily digestible foods, such as the BRAT diet (bananas, rice, applesauce, toast), to continue replenishing nutrients and energy.

It’s important to note that severe dehydration may require medical attention, including intravenous (IV) fluids. If you’re unable to keep fluids down, experience persistent symptoms, or have concerns about dehydration, consult with a healthcare professional promptly. 

preparing food, drink plenty, viral gastroenteritis

What to Eat When You Have Gastro

Navigating the aftermath of gastro often involves making mindful choices about eating food that supports healing and prevents further irritation. Here are dietary guidelines for preparing food to facilitate a quicker recovery:

  • BRAT Diet: Initially, focus on the BRAT diet – Bananas, Rice, Applesauce, and Toast. These bland, easily digestible foods help soothe the stomach and provide essential nutrients without causing additional stress on the digestive system.
  • Plain Crackers or Biscuits: These can be a good addition to the BRAT diet, offering a mild and easily digestible source of carbohydrates.
  • Boiled Potatoes: Plain, boiled potatoes without added butter or spices can provide a starchy base that is gentle on the stomach.
  • Cooked Carrots: Steamed or boiled carrots are another well-tolerated vegetable option during recovery.
  • Chicken or Vegetable Broth: Clear, low-fat broths can help replenish fluids and electrolytes while providing a source of nourishment.
  • Avoid Spicy and Greasy Foods: Steer clear of spicy, greasy, or heavily seasoned foods, as they can exacerbate irritation and prolong recovery.
  • Probiotic-Rich Foods: Introduce probiotic-rich foods like yoghurt with live cultures to help restore healthy gut bacteria balance.
  • Small, Frequent Meals: Instead of large meals, opt for smaller, more frequent meals throughout the day to minimise strain on the digestive system.
  • Gradual Reintroduction of Solid Foods: As symptoms subside, gradually reintroduce a wider variety of foods, starting with easily digestible options before returning to your regular diet.
  • Avoid Dairy Products Initially: Some individuals may temporarily develop lactose intolerance after a gastro episode. Avoid dairy products initially and reintroduce them gradually to assess tolerance.

Individual food tolerance may vary, so listen to your body and choose well-tolerated foods. Consult a healthcare professional or a registered dietitian for personalised guidance if you have specific dietary concerns or conditions. These nutritional guidelines, coupled with proper hydration and rest, can contribute to a fast recovery from gastroenteritis.

When to Seek Medical Attention

If gastroenteritis symptoms persist beyond the expected recovery period of 1 to 2 weeks, or if severe symptoms such as persistent and intense diarrhoea, vomiting, or stomach cramps are experienced, seeking prompt medical attention is important. This is especially true for vulnerable populations like young children, individuals with weakened immune systems, or those with pre-existing health conditions like inflammatory bowel disease. 

Additionally, if there’s a recent history of travel or exposure to contaminated food, and symptoms are severe or accompanied by other concerning signs, consulting with a healthcare professional becomes imperative. Timely intervention ensures a thorough evaluation and appropriate care, addressing potential complications associated with prolonged or severe gastroenteritis symptoms.

Need an online medical certificate for gastro? We’ve got your back!

hub health treatments online

Here at we are committed to everyone getting the best out of every moment.

Love yourself!

Read more

Brenda – 35

from $26.00 for 3 months

Dianne – 35

from $34.00 for 1 month


from $23.00 for 4 months


from $23.00 for 3 months


from $23.00 for 4 months

Femme 100/20

from $23.00 for 4 months

Femme 150/30

from $23.00 for 4 months

Lenest 20ED (3)

from $23.00 for 3 months

Lenest 30ED (4)

from $20.00 for 3 months


from $26.00 for 4 months


from $40.00 for 3 months

Logynon (b)

from $28.00 for 3 months

Madeline 150/30

from $18.00 for 1 month


from $18.00 for 1 month

Microgynon 20/100

from $55.00 for 3 months

Microgynon 30

from $35.00 for 4 months

Microgynon 50

from $23.00 for 4 months


from $23.00 for 4 months

Micronelle 100/20

from $20.00 for 3 months

Micronelle 150/30

from $20.00 for 4 months


from $20.00 for 4 months


from $30.00 for 4 months

Noriday 350mcg 4×28 Tab

from $23.00 for 4 months


from $25.00 for 4 months


from $87.00 for 3 months

Primolut N

from $30.00 for 1 month


from $88.00 for 3 months


from $70.00 for 3 months


from $79.00 for 3 months

Trifeme (a)

from $23.00 for 4 months

Triphasil 28 4×28 Tab

from $35.00 for 4 months

Triquilar (b)

from $33.00 for 4 months


from $84.00 for 3 months


from $80.00 for 3 months


from $80.00 for 3 months


from $80.00 for 3 months