Insomnia and nausea can be caused by medication, caffeine, recreational drug withdrawal, stress, and depression. Chronic symptoms should be examined for underlying causes such as cancer or depression. Medications for depression can also cause these side effects. Recreational drugs like marijuana and alcohol can also cause these symptoms during withdrawal. High caffeine consumption can cause both insomnia and nausea. Emotional stress can also cause these symptoms. Other symptoms like vomiting, fever, and high blood pressure may indicate a more serious condition like cancer.
Insomnia and nausea can be caused by certain medications, excessive caffeine consumption, or withdrawal from certain recreational drugs. Alcohol withdrawal and nausea symptoms also share a close relationship and are often accompanied by insomnia. In some people, these symptoms are side effects of stress. Often, these symptoms are brief and last only a day or two. Health experts advise, however, that people with chronic nausea associated with insomnia have a thorough medical examination to determine and treat any underlying causes, such as cancer or depression.
Medications used to treat depression can also cause insomnia and nausea. Side effects like these are well documented, and medical professionals are usually able to address these issues as they arise individually among patients. However, some patients do not experience these side effects until withdrawal from these drugs.
Medicinal herbs that are sometimes overused when used recreationally, such as marijuana, can also cause nausea and make sleep difficult when a heavy user attempts to stop regular use. For others, alcohol withdrawal can have the same effect. For severe addicts, withdrawal symptoms can be felt within several hours of last using one of these substances.
Individuals who consume high doses of caffeine often experience both insomnia and nausea. As a stimulant, caffeine is widely celebrated for its ability to keep people awake and even increase alertness levels in some individuals. At the same time, however, one of the frequently reported side effects of caffeine consumption is nausea.
Emotional stress is often associated with other symptoms, such as nausea, body aches, headaches, changes in appetite and insomnia. Often these are caused by nervousness and anxiety associated with a particularly stressful situation, which prevents sleep and causes stomach upset due to poor diet. In some people, anxiety and nausea may also be accompanied by vomiting.
When other symptoms are present, such as diarrhea, vomiting, fever, or high blood pressure, insomnia and nausea may be symptoms of a more serious condition, such as cancer. Researchers have found more than 20 symptoms common to all types of cancer at various stages. Among these physical symptoms are nausea and loss of appetite, fatigue, constipation, weakness, pain, insomnia, and dry mouth.
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