Quick Answer: Why Does Flu Make You Feel So Ill?

Why does a virus make you feel so ill?

Viruses make us sick by killing cells or disrupting cell function.

Our bodies often respond with fever (heat inactivates many viruses), with the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system’s antibodies and other cells to target the invader..

Why am I so weak after being sick?

Fatigue is an overall feeling of tiredness or exhaustion. It’s completely normal to experience it from time to time. But sometimes it can linger for weeks or months after you’ve been sick with a viral infection, such as the flu. This is known as post-viral fatigue.

Is your immune system weaker after the flu?

Usually, we start recovering from flu symptoms after five days, but due to the sustained high level of glucocorticoids, our immune systems are still suppressed and our bodies still susceptible to a plethora of pathogens.

How long does the flu virus live in your body?

Flu viruses that are able to survive on surfaces outside of the body that will then get transferred to someone’s hands can live up to 24 hours. Although, infectious flu viruses can survive on tissues including your hands for only 15 minutes.

What to do when you feel weak after being sick?

Mild generalized weakness and fatigue that occur with a viral illness usually improve with the following home treatment measures.Get extra rest while you are ill. Let your symptoms be your guide. … Return to your usual activities slowly to avoid prolonging the fatigue.Be sure to drink extra fluids to avoid dehydration.

What are the stages of flu?

What to expect with the fluDays 1–3: Sudden appearance of fever, headache, muscle pain and weakness, dry cough, sore throat and sometimes a stuffy nose.Day 4: Fever and muscle aches decrease. Hoarse, dry or sore throat, cough and possible mild chest discomfort become more noticeable. … Day 8: Symptoms decrease.

How sick does the flu make you?

We all know the symptoms of influenza infection include fever, cough, sore throat, muscle aches, headaches and fatigue.

Does flu cause body weakness?

You may have muscle aches, a scratchy or sore throat, watery eyes, and a headache. The flu starts suddenly and hits hard. You will probably feel weak and tired and have a fever, dry cough, a runny nose, chills, muscle aches, a bad headache, eye pain, and a sore throat.

What illness gives you flu like symptoms?

Here are a few of the more common illnesses that can mimic flu symptoms.The Common Cold. Whether it’s a summer cold or a winter cold, colds often bring along their share of misery. … Meningitis (Bacterial or Viral) … Sepsis. … Pneumonia. … Blood Cancer. … Lyme Disease. … Mononucleosis—or the ‘Kissing Disease’ … Cat-Scratch Disease.More items…•

Why do I feel so unwell?

Everyone feels sick sometimes, but in some circumstances, a person can feel sick all or most of the time. This feeling can refer to nausea, catching colds often, or being run-down. A person might feel sick continuously for a few days, weeks, or months due to a lack of sleep, stress, anxiety, or a poor diet.

How long does flu fatigue last?

From exhaustion to flu fatigue The general tiredness and cough may last for two to three weeks, so continue to drink plenty of liquids and eat healthily (4). If you like to keep fit, wait until your fever has subsided before exercising (8).

How can I boost my energy after being sick?

The Best Ways to Bounce Back After Being SickTake your time. Be careful not to push yourself too hard too fast. … Turn off those screens. Phones, TVs, and tablets all emit blue light that causes strain on your eyes. … Make a green smoothie. … Drink hot water with True Lemon. … Practice meditation and deep breathing.

How do I regain energy after the flu?

Here are 12 tips to help you recover more quickly.Stay home. Your body needs time and energy to fight off the flu virus, which means that your daily routine should be put on the backburner. … Hydrate. … Sleep as much as possible. … Ease your breathing. … Eat healthy foods. … Add moisture to the air. … Take OTC medications. … Try elderberry.More items…

Is it bad to sleep all day when sick?

Sleeping more than usual is helping your body build up its immune system and fight off your illness. If you find yourself sleeping all day when you’re sick — especially during the first few days of your illness — don’t worry.

Why am I so tired after the flu?

The authors of an earlier study suggest that the symptom of fatigue after a viral infection is due to inflammation in the brain. Viruses cause the immune system to respond and attack them. This response causes stress and inflammation in the body.