What are nausea and fatigue?Do you feel nauseous and tired all the time, but don’t know why? Nausea (also called feeling sick) is an uneasy feeling in your stomach, like you want to be sick (vomit). And fatigue is when you feel really tired and lack the energy you need to do normal activities. Show
Feeling sick and tired often happen separately, but sometimes both can strike at the same time. This can be due to a number of things, including your diet and lifestyle, emotional and mental (psychological) factors or a medical condition. Many causes of nausea and fatigue are treatable, and the symptoms get better once you’ve addressed the cause. But sometimes, having nausea and fatigue at the same time can be a sign of a more serious condition that needs medical attention. Common causes of feeling sick and tiredIf you’ve been feeling really tired and like you might be sick, here are a few possible causes of your symptoms. Diet and lifestyleThe foods you eat and the things you do each day can cause and tiredness without you realising it. For example, drinking too much coffee or alcohol can sap you of energy in the long term and make you feel nauseous. Jet lag from recent travel, skipping meals, not getting enough sleep, and doing too much or too little exercise can also bring on these symptoms. So, if you’re feeling sick and very tired, it’s worth taking a close look at your diet and lifestyle. Gastroenteritis, also known as a stomach or tummy bug, is a common gut infection that’s typically caused by bacteria or viruses. Not only does it cause tiredness and nausea, it can also cause other symptoms, like , diarrhoea and tummy cramps. The bacteria and viruses that cause gastroenteritis are often caught from close contact with an infected person or by eating contaminated food, so pay attention to who you’ve been in contact with and what you’ve eaten or drunk recently. Stress, anxiety and depressionEmotional and mental factors, like and anxiety, can sometimes cause physical symptoms like nausea and tiredness. And, while feeling very low is the key symptom of , it can also make you feel very tired and may cause nausea, bloating and cramps in some cases. Chronic fatigue syndrome (CFS)If your tiredness doesn’t go away, no matter how much rest you get, you may have – an ongoing condition that can affect your everyday life. In addition to fatigue, you may notice you have nausea and other symptoms, like , sleeping problems and joint or muscle pain. PregnancyTiredness and nausea are common symptoms during early – this is usually due to the hormonal changes your body goes through. You’re less likely to feel sick later on in your pregnancy, as (feeling and being sick during pregnancy) usually gets better by the 20th week of pregnancy. But you may still feel tired as you get closer to your due date because you’re carrying extra weight from your baby. Nerve and brain (neurological) issuesCertain problems with your nervous system can sometimes bring on fatigue with sickness. These may include:
Hormone and mineral imbalancesSometimes, nausea and fatigue can be a sign that certain hormones or minerals in your body are higher or lower than they should be. Examples of these imbalances include:
When to see a doctor about nausea and fatigueWhile nausea and fatigue aren’t usually signs of something serious, they may sometimes suggest that you have an underlying condition that needs urgent medical attention – especially if you also notice other specific symptoms. Go to a hospital or call an ambulance if you’ve got nausea and fatigue, and you:
You should also see a doctor as soon as possible if you’ve got nausea and fatigue, and:
Treatment for nausea and fatigueThere are some things you can do to ease nausea in general, including getting plenty of fresh air, drinking ginger or peppermint tea and eating smaller meals. Read more about . And if you have really bad nausea, a doctor may give you medication, known as antiemetics, to help you stop feeling sick. Fatigue can often get better with general measures like . But while these strategies can help your symptoms, the best treatment for nausea and fatigue usually depends on the cause. Diet and lifestyleIf your diet and lifestyle are making you feel sick and tired, making some changes may help. Consider:
GastroenteritisGut infections, like or , can often be managed at home by treating the symptoms. Try to:
You should usually start to feel better within a week. Read more about and . Stress, anxiety and depressionIf you’ve got nausea and fatigue that’s caused by emotional and mental factors, removing the cause or managing the condition may help improve your symptoms. If your stress levels are high, identify the things that are causing you stress and take steps to better manage your daily schedule to prevent them from piling up on you. Taking up some may also help. There are many ways to manage depression and , from talking therapies and exercising often, to taking medication. See a doctor for advice on the best treatment for you if you have depression, anxiety or another mood disorder. Read more about the and . Chronic fatigue syndromeThere are many ways to manage this condition and the best approach varies from person to person. But some of the treatments that may help you include:
Read more about . PregnancyTry to rest as much as you can and follow these . Often, the nausea caused by morning sickness gets better on its own later in your pregnancy. While fatigue doesn’t always get better as your pregnancy progresses, you can still help to manage your energy levels by and making sure you get lots of rest and sleep. Find out . Nerve and brain (neurological) issuesIf a condition related to your brain or nervous system is behind your symptoms, treating the condition should help to improve nausea and vomiting. This may involve resting and taking painkillers if you have a concussion, self-care and medication for conditions like migraines, and medication, , and/or surgery for brain tumours. A doctor will let you know the exact treatment you need to manage your symptoms and its cause. Hormone and mineral imbalancesWhen nausea and tiredness are caused by a hormone or mineral imbalance, a doctor will usually do a to see what substance is out of balance in your body. If they find an imbalance, you may need to take medication to balance your hormone or mineral levels, or to treat the cause of the imbalance. How long does it take for nausea and fatigue to get better?There are many reasons why you may have nausea and fatigue at the same time. Often, the cause is related to things you can change, like your diet and lifestyle. But sometimes, nausea and fatigue can be caused by a medical condition. It isn’t always easy to tell what’s causing your symptoms, so see a doctor if they don’t get better with self-care, you’re worried or if you have any of the symptoms listed in the ‘When to see a doctor’ section above. The amount of time it will take for your symptoms to get better usually depends on the cause and the treatments recommended by a doctor. Your health questions answered
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