Tessa Quinn
The flu is a common illness caused by the influenza virus. Most people with the flu have mild symptoms and do not need medical care or antiviral drugs. However, certain individuals are at a higher risk of developing serious flu-related complications, including young children, pregnant women, people over 65, and those with certain underlying medical conditions. For these high-risk individuals, it is recommended to seek medical advice as soon as flu symptoms develop. In some cases, hospitalization may be necessary to manage severe flu symptoms or life-threatening complications. Emergency rooms prioritize patients with the most severe symptoms or conditions, providing prompt and specialized care.
| Characteristics | Values |
|---|---|
| When to go to the ER for the flu | When flu is severe enough to keep you from normal health functions like breathing comfortably, thinking clearly, eating, drinking fluids, and getting to the bathroom. |
| If you experience severe chest or abdominal pain, difficulty breathing, or shortness of breath. | |
| If you are in a group at higher risk of serious flu-related complications, or if you are very sick or worried about your illness. | |
| If you have a fever that doesn't improve with over-the-counter medications. | |
| If you have a dry cough that suddenly changes to one that produces large amounts of green or yellow mucus. | |
| If you have severe dehydration. | |
| If you have emergency warning signs of flu sickness. | |
| Who is at higher risk of serious flu-related complications | Pregnant women, young children, people 65 and older, and people with certain medical conditions like asthma, COPD, weakened immune system, etc. |
| Treatment | Over-the-counter medications and plenty of fluids are most helpful. |
| Antiviral drugs like Oseltamivir phosphate (Tamiflu), Zanamivir (Relenza), Peramivir (Rapivap), and Baloxavir marboxil (Xofluza). |
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People at high risk
People who are at high risk of developing serious flu-related complications include young children, people 65 and older, pregnant women, and people with certain medical conditions. Those with weakened immune systems due to disease or medication are also at high risk.
If you fall into one of these high-risk categories and develop flu symptoms, it is important to contact your doctor early in your illness. Your healthcare provider will determine whether flu testing and possible treatment are needed. Antiviral treatment is recommended for people at high risk of serious flu-related complications, and the benefit is greatest if treatment is started within 2 days of the onset of illness.
If you are experiencing severe symptoms such as difficulty breathing, shortness of breath, severe chest or abdominal pain, or severe dehydration, then a visit to the emergency room is necessary. Emergency rooms treat patients with the most severe symptoms or life-threatening conditions first. If you are only mildly ill, you should not go to the emergency room. Instead, stay at home, rest, and drink plenty of fluids. It is also important to cover your nose and mouth with a tissue when you cough or sneeze or to cough or sneeze into your sleeve.
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Emergency warning signs
While most people with the flu have mild symptoms and do not require medical care, certain emergency warning signs indicate that immediate medical attention is necessary. These signs vary depending on age, underlying health conditions, and the severity of symptoms. Here are some emergency warning signs that require urgent medical attention:
Children, especially those under the age of 5, are more susceptible to flu-related complications. Warning signs in this age group include:
- High fever: A very high fever can be a cause for concern and requires immediate medical attention.
- Difficulty breathing: Respiratory distress or difficulty breathing is a serious symptom that warrants emergency care.
- Dehydration: Flu can cause dehydration due to vomiting and diarrhea, which can be dangerous in young children.
- Change in behaviour: Unusual irritability, lethargy, or decreased activity levels may indicate a more severe condition.
- Not eating: Loss of appetite or difficulty feeding can be a warning sign, especially in infants.
For adults, particularly those over 65 or with underlying health conditions, the following can be considered emergency warning signs:
- Persistent fever: While fever is a common flu symptom, a high fever that persists or returns after a period of improvement can be concerning.
- Shortness of breath: Difficulty breathing, chest pain, or abnormal heart rate may indicate pneumonia or other complications.
- Confusion or dizziness: Mental status changes, including confusion, disorientation, or sudden dizziness, can be signs of a more severe condition.
- Severe or persistent vomiting: Prolonged vomiting or vomiting that does not subside can lead to dehydration and electrolyte imbalances.
- Worsening of underlying conditions: For individuals with asthma, heart disease, or other chronic conditions, a worsening of their condition or difficulty managing their symptoms is a cause for concern.
It is important to note that these lists are not exhaustive, and any concerning symptoms or sudden changes in condition should be promptly evaluated by a healthcare professional. Seeking medical advice early, especially for individuals in high-risk groups, can help prevent flu-related complications and ensure timely and appropriate treatment.
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Flu symptoms
The flu, or influenza, is a common respiratory virus that can cause mild to severe illness. It is essential to recognize the symptoms of the flu to manage it effectively and prevent its spread. The flu usually progresses through distinct stages, each with its own set of symptoms and severity levels.
The incubation period of the flu, during which the virus is growing in the body, typically lasts 1 to 4 days. During this time, a person may not exhibit any symptoms but can still spread the virus to others. After the incubation period, flu symptoms emerge rapidly, often within a few hours, and this stage is typically the most severe.
The most common flu symptoms include a sudden high fever (usually above 100.4°F or 38°C), chills, and sweating, which can make one feel very hot or cold. A persistent dry or productive cough is also prevalent and may persist for weeks even after other symptoms have faded. A sore or irritated throat can make swallowing challenging and painful.
Other symptoms include extreme tiredness, a stuffy nose, body aches, nausea, and sometimes diarrhea and vomiting, particularly in young children and the elderly. Some people may also experience stomach discomfort or vomiting during the worst phase of the flu, which typically occurs around days 2 to 4. It is crucial to rest and stay hydrated during this period.
While most people recover from the flu within a week, those with weakened immune systems or other health issues may require more time. Some individuals may continue to experience fatigue for up to two weeks after the primary flu symptoms have disappeared. During this recovery period, it is important to prioritize rest and hydration to aid the body in recuperating fully.
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Treatment
Most people with the flu have mild illness and do not need medical care. The flu usually goes away on its own after 3–5 days. People without high-risk conditions that aren't very sick usually don't need to seek medical help. However, people at high risk of getting very sick from the flu should call their healthcare provider as soon as symptoms develop. These people include pregnant women, children under 2 years old, people with asthma, COPD, or other chronic lung diseases, people with a history of kidney or liver disease, people with diabetes, people with weakened immune systems, and people 65 years or older.
If you are experiencing flu symptoms, you should stay home and avoid contact with other people except to get medical care. It is recommended to rest and drink lots of fluids. Over-the-counter medications such as Tylenol, Motrin, or Advil can help reduce fever and body aches. Staying hydrated with diluted Gatorade or chicken soup can also help. It is important to cover your nose and mouth with a tissue when you cough or sneeze, or to cough or sneeze into your sleeve. Wearing a mask can also help protect yourself and others.
If you are experiencing emergency warning signs of flu sickness, such as severe chest or abdominal pain, difficulty breathing, or shortness of breath, you should go to the emergency room. At the hospital, you will be seen by a triage nurse who will evaluate your condition and place you in a priority queue based on the severity of your symptoms. After being seen by an emergency room doctor, you may be sent home with instructions or referred to a consulting doctor or specialist who will decide if you should be admitted to the hospital.
Antiviral drugs can be prescribed by a doctor to treat the flu. These drugs can help you get better faster and may also prevent serious complications. Examples of antiviral drugs include oseltamivir phosphate (Tamiflu), zanamivir (Relenza), peramivir (Rapivap), and baloxavir marboxil (Xofluza). It is important to tell your doctor about any health conditions you have before starting an antiviral medication.
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Prevention
The flu is a common illness caused by the influenza virus. It is highly contagious and can affect both children and adults. Flu season in the Northern Hemisphere is typically from October to May, with the highest number of cases usually occurring between December and February.
To prevent getting the flu, it is recommended to get a flu vaccination. This is the most effective way to protect yourself from infection, even if the vaccine only partially matches the strain of the virus circulating. It takes about two weeks for the vaccine to take effect, so it is best to get vaccinated as soon as possible, especially if there are still months left in the flu season.
In addition to getting vaccinated, there are other measures you can take to reduce your risk of getting the flu. These include:
- Staying away from people who have the flu or are ill with a fever.
- Washing your hands regularly or using hand sanitizer if you come into contact with someone who is sick.
- Wearing a mask can provide additional protection when you are around others, especially if you are in a high-risk group.
- If you have the flu, stay home and avoid close contact with others for at least 5 days after the onset of symptoms. This will help prevent the spread of the illness.
- Cover your mouth and nose with a tissue when you cough or sneeze, or use your sleeve if you don't have a tissue.
- Keep your distance from others, especially if they are in a high-risk group.
- If you are caring for someone who is sick, wear personal protective equipment (PPE) such as gloves and a mask to reduce your risk of infection.
It is also important to maintain good overall health and hygiene practices, such as getting enough rest, drinking plenty of fluids, and eating a well-balanced diet. These measures can help strengthen your immune system and improve your body's ability to fight off infections.
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Frequently asked questions
Most people with the flu have mild illness and do not need medical care or antiviral drugs. However, people with underlying health conditions, weakened immune systems, or other risk factors may be at risk of serious illness and life-threatening complications that require hospitalization.
If you are experiencing severe symptoms such as dehydration, severe chest or abdominal pain, or difficulty breathing, then a visit to the emergency room is needed. If you have emergency warning signs of flu sickness, are in a high-risk group, or are concerned about your illness, you should contact your healthcare provider for advice.
Flu symptoms can include a runny or stuffy nose, body aches, fatigue, and sometimes diarrhea and vomiting. Fevers typically range from 100 to 104 degrees Fahrenheit, but not everyone with the flu will have a fever. If you are experiencing flu-like symptoms, you can get tested to determine if you have the flu or a different illness, such as a cold or COVID-19.
