Fatigue: Types, Symptoms, Causes, Stages, Treatment

Table of Contents

What is Fatigue?

Fatigue is not a real name for a sickness. It’s just a way to describe feeling very tired all the time. Sometimes, people use it to talk about a condition called chronic fatigue syndrome (CFS). This is when someone feels extremely tired for a long time, even after resting. CFS can also come with other problems like muscle pain and trouble thinking clearly. Doctors don’t know exactly what causes CFS, but they can help manage the symptoms with things like lifestyle changes and medicine. If you feel tired all the time, it’s a good idea to talk to a doctor to find out what’s going on.

Can stress cause fatigue?

Yes, stress can make you feel tired. When you’re stressed, your body releases hormones that can make you feel exhausted. If you’re stressed a lot, it can wear you out over time and make you feel tired all the time. Stress can also mess up your sleep, so you don’t get enough rest, which can make you even more tired during the day. Doing things like relaxing, exercising, and talking to someone can help you feel less tired from stress.

Can anxiety cause fatigue?

Yes, anxiety can make you feel tired. When you’re anxious, your body gets ready to deal with stress by releasing certain hormones. But this can also make you feel worn out and tired. Anxiety can also mess up your sleep, so you might not get enough rest, which can make you feel even more tired during the day. Doing things like relaxing, breathing deeply, and talking to someone can help you feel less tired from anxiety.

Types of Fatigue?

Physical fatigue

  • Feeling tired in your muscles and body.
  • Having trouble doing physical activities.
  • Feeling weak or heavy in your arms and legs.
  • Not being as coordinated as usual.
  • Getting sore muscles or injuries more easily.

Mental fatigue

  • Finding it hard to focus or pay attention.
  • Forgetting things or having trouble remembering.
  • Having trouble making decisions or solving problems.
  • Feeling mentally tired or unclear.
  • Getting more easily annoyed or moody.

What are the Symptoms?

  • Feeling tired or exhausted, even after rest or sleep.
  • Difficulty concentrating or focusing on tasks.
  • Forgetfulness or memory problems.
  • Feeling weak or having a lack of energy.
  • Increased irritability or moodiness.
  • Muscle aches or soreness.
  • Headaches or dizziness.
  • Difficulty sleeping or poor sleep quality.
  • Decreased motivation or interest in activities.
  • Physical symptoms such as a slowed heartbeat or slowed reaction times.

What are the Causes?

  • Not getting enough sleep or having poor sleep.
  • Doing too much physical activity or exercise.
  • Not eating a healthy diet with enough nutrients.
  • Feeling stressed for a long time.
  • Having certain medical conditions like anemia or diabetes.
  • Taking medications that make you feel tired.
  • Dealing with mental health problems like depression or anxiety.
  • Not living a healthy lifestyle, like drinking too much alcohol or not being active.
  • Being in environments with extreme temperatures or lots of noise or pollution.


Feeling Tired (Mild Fatigue)

  • You feel a bit tired, but you can still do your daily activities without much trouble.
  • Taking short breaks or resting can help you feel better.

More Tired (Moderate Fatigue)

  • Now, you’re finding it harder to concentrate and focus on things.
  • You feel more physically tired and it’s getting tougher to do tasks that need effort.

Extremely Tired (Severe Fatigue)

  • You’re very exhausted and it’s tough to even get out of bed.
  • Both your body and mind feel extremely tired, and it’s hard to do even simple things.

What infections cause fatigue?


  • Flu
  • Mono (short for mononucleosis)
  • Hepatitis (a liver infection)


  • Lyme disease (from tick bites)
  • Tuberculosis (a lung infection)
  • Strep throat (a throat infection)


  • Malaria (from mosquito bites)
  • Toxoplasmosis (from contaminated food or water)
  • Giardiasis (from contaminated food or water)


  • Histoplasmosis (from inhaling fungal spores)
  • Candidiasis (a yeast infection)


Chronic viral hepatitis (a long–lasting liver infection)

How to Diagnose?

Medical History

Your doctor will ask about how you feel, what you’ve been doing, and if you’ve had any health issues before. They’ll want to know about any medicines you take and if you’ve been sick or stressed lately.

Physical Examination

In the physical exam, the doctor will check you over to see if you look okay and if anything seems wrong. They’ll measure things like your blood pressure, heartbeat, and temperature.

Laboratory Tests

You might need to give some blood to check if you’re low on certain things or if you have an infection. They’ll look at the blood under a microscope to see if anything seems off.

Imaging Studies

Sometimes, they’ll take pictures of the inside of your body with machines like X – rays or CT scans. This helps them see if anything doesn’t look right in your organs or bones.

Sleep Studies

If you’re having trouble sleeping, they might ask you to sleep in a special room overnight while they watch you. They’ll use machines to check if you’re breathing okay and sleeping normally.

Psychological Assessment

They might ask questions to see how you’re feeling mentally, like if you’re stressed or sad. They’ll want to know if you’re having trouble thinking clearly or remembering things.

Specialized Tests

Sometimes, they’ll send you to see other doctors who know a lot about certain things. They might do more tests, like checking your heart or lungs, to figure out what’s wrong.

What are the Treatments?

Finding and Fixing Problems

Doctors will check if there’s a medical reason for your tiredness, like low iron or an infection. They’ll treat any health issues they find to help you feel better.

Healthy Habits

Doing things like eating well, exercising regularly, and sleeping enough can boost your energy. Avoiding too much caffeine, alcohol, or smoking can also help, Managing


Learning ways to relax, like deep breathing or meditation, can reduce stress and make you feel less tired. Talking to someone you trust about what’s bothering you can also help.

Sleeping Better

Having a regular sleep routine and creating a comfortable sleep environment can improve your sleep quality. Making sure you get enough sleep each night is important for feeling less tired during the day.

Taking Breaks

It’s okay to take breaks during the day to rest and recharge, especially if you’re feeling tired. Breaking tasks into smaller parts and doing them at your own pace can help you save energy.


Sometimes, doctors may prescribe medications to help manage fatigue, especially if it’s caused by certain health conditions. These medicines can help improve energy levels and make you feel better.

Talking to Someone

Speaking with a therapist or counselor can help you learn how to cope with stress and manage your fatigue better. They can teach you strategies to overcome negative thoughts and behaviors that contribute to tiredness.

What are the Prevention?

Get good sleep

  • Aim for 7 – 9 hours of sleep each night.
  • Try to sleep at the same time every night.
  • Do calming things before bed, like reading or taking a warm bath.

Drink enough water

  • Drink at least eight glasses of water every day.
  • Keep a water bottle handy to sip throughout the day.
  • Eat juicy foods like fruits and veggies to stay hydrated.

Move your body

  • Try to do some exercise most days, even if it’s just walking.
  • Choose activities you enjoy, like going for a bike ride or swimming.
  • Exercise helps you feel more awake and less tired.

Relax Your mind

  • Practice calming activities like deep breathing or listening to soothing music.
  • Figure out what stresses you out and find ways to cope with it.
  • Talk to someone you trust if you’re feeling stressed or overwhelmed.

Eat well

  • Eat a variety of healthy foods like fruits, vegetables, and whole grains.
  • Include proteins like chicken, fish, or beans in your meals.
  • Try to avoid eating too many sugary snacks or junk food.

Foods to Beat Fatigue?

  1. Oats: Eat oats for breakfast. They have carbs and fiber that give you energy slowly.
  2. Bananas: Bananas have vitamins and sugar. They give you quick energy and help your muscles.
  3. Spinach: Spinach has iron. Iron helps you have energy. Eat spinach in salads, smoothies, or omelets.
  4. Salmon: Salmon has omega–3s and protein. They make your brain work better and give you energy.
  5. Nuts and Seeds: Eat almonds, walnuts, chia seeds, or flaxseeds, They have good fats, protein, and fiber. They’re a great snack.
  6. Greek Yogurt: Greek yogurt has protein and good bacteria. It keeps your blood sugar stable and gives you energy.
  7. Quinoa: Quinoa is a grain. It has protein, fiber, and vitamins. It gives you long–lasting energy.
  8. Berries: Blueberries, strawberries, and raspberries have vitamins and antioxidants. They help fight tiredness. Eat them with yogurt or by themselves.
  9. Dark Chocolate: Dark chocolate has caffeine and antioxidants. It makes you focus better and satisfies your sweet cravings.
  10. Green Tea: Green tea has caffeine and L- theanine. They keep you awake and calm.

What is fatigue in pregnancy?

Fatigue during pregnancy means feeling very tired and worn out. It’s something many pregnant people go through, especially in the first and last trimesters. There are a few reasons why you might feel tired:

  1. Hormone Changes: Your body makes more hormones during pregnancy, like progesterone. These changes can mess with your sleep and make you feel tired during the day.
  2. Body changes: Being pregnant means your body has to work harder. Your heart beats faster, and your body uses more energy. This extra work can leave you feeling tired.
  3. Stress: Pregnancy can be stressful, both physically and emotionally. Coping with these changes can be tiring.
  4. Blood Sugar: If your blood sugar levels are not steady, you might feel more tired. Skipping meals or not eating right can make this worse.
  5. Sleep Troubles: Pregnancy can make it hard to sleep well. You might feel uncomfortable or need to pee more often. This can lead to feeling tired during the day.
  6. Not Enough Nutrients: If you’re not getting enough of certain vitamins and minerals, like iron or vitamin B12, you might feel more tired.
  7. Carrying More Weight: As your belly grows, it can be tiring to carry the extra weight around.

important key points:

  • Get plenty of rest
  • Eat a healthy diet
  • Drink enough water
  • Manage stress
  • Do gentle exercises

But if you’re feeling really tired or if it’s not going away, talk to your doctor. They can help figure out if there’s something else going on.


What Reasons for Fatigue in females?

  • Hormonal Changes
  • Not Enough iron
  • Pregnancy
  • Trouble Sleeping
  • Health problems
  • Feeling Stressed
  • Not Moving Enough
  • Taking Medicines

When is fatigue worrisome?

Feeling tired is worrisome when it lasts a long time, makes it hard to do daily things, happens suddenly and strongly, or comes with other strange feelings. If feeling very tired or having other weird feelings for a while, it’s important to talk to a doctor.

What did fatigue mean?

Fatigue means feeling very tired or exhausted. It’s like when you’re really worn out from doing things or not getting enough rest.

How do I stop my fatigue?

  • Get enough sleep.
  • Eat healthy
  • Drink water
  • Move your body
  • Relax
  • Take breaks
  • Limit caffeine and alcohol
  • Listen to your body

What fatigue feels like?

  1. Feeling tired: you might feel like your body is very heavy, and you just want to rest all the time.
  2. Having a foggy brain: Your thoughts might feel fuzzy or unclear, and it’s hard to focus or think straight.
  3. Feeling weak: You might feel like you don’t have much energy or strength, making it hard to do things you normally do.
  4. Being sleepy: Even if you’ve slept enough, you might still feel like you need to nap during the day.
  5. Not feeling interested: You might not feel excited or motivated to do things that you usually enjoy.
  6. Being slow to react: It might take you longer to respond to things, like someone calling your name or a question.
  7. Having achy muscles: Our muscles might feel sore or achy, even if you haven’t done much physical activity.
  8. Feeling moody: You might feel cranky, sad, or anxious because you’re so tired.

How can I check my stress level at home?

  1. Pay attention to how your body feels, like headaches or tense muscles.
  2. Notice your feelings, like feeling worried or upset.
  3. Look at how you’re acting, like if you’re eating more or avoiding people.
  4. Try relaxing activities like deep breathing or yoga.
  5. Keep a journal to track what makes you stressed.

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