AUTHORS: Lana Burgess and Hana Ames
MedicalNewsToday
Nausea and headaches are very common, and they sometimes occur together. A common cause of headache and nausea is migraine, which can also cause dizziness.
This article explores the common causes of both headaches and nausea, and some underlying issues that are less common and more serious.
It also discusses treatments and ways to prevent the symptoms.
Headaches are very common and most people will experience one from time to time. Nausea sometimes accompanies a headache, and a number of health issues can cause this.
Migraine is a common cause of both headache and nausea. According to a 2015 review, around 1 in 7 people in the United States experience migraine every year.
A migraine feels like a moderate or severe headache. The pain is often throbbing and located on one side of the head. During a migraine, a person may also experience:
- nausea
- vomiting
- sensitivity to light or sound
Other common causes of headache and nausea include:
- the flu
- a cold
- dehydration
- pregnancy
- food allergies
- excessive consumption of caffeine, nicotine, or alcohol
Types of headaches that can cause nausea
Different types of headaches can cause nausea. These include:
- migraine with aura
- migraine without aura
- cluster headache
Conditions that can cause nausea and headaches
Beyond migraine, common causes of both headaches and nausea include:
- dehydration
- the flu, stomach flu, or common cold
- stress, depression, or anxiety
- excessive use of nicotine, caffeine, or alcohol
- food allergies
- food poisoning
- strep throat
- tonsillitis
- premenstrual syndrome (PMS
- pregnancy
Another common cause of a headache and nausea is low blood sugar, which can result from:
- not eating enough
- drinking alcohol in excess
- hormonal deficiencies
- liver or kidney disease
- overuse of diabetes medications
- certain medications
Other causes of concurrent headaches and nausea are more severe and may require urgent medical treatment. Understanding the full range of causes is essential, as it can enable a person to seek the right treatment in time.
More serious causes
Headaches and nausea are symptoms of the following severe conditions and injuries:
- kidney disease
- meningitis
- malaria
- yellow fever
- hepatitis A
- traumatic brain injury
- skull fracture
- brain aneurysm
- brain tumor
Migraine is typically associated with nausea, however, the medical community is still unsure why.
One explanation is that migraine affects nerve pathways that stimulate the part of the brain that controls vomiting. A 2017 study found that people experiencing migraine with nausea showed activity in the rostral dorsal medullary area of the brain, which likely controls nausea.
Another theory relates to serotonin, a chemical in the brain that affects:
- nausea
- mood
- social behavior
- appetite
- digestion
- memory
- sex drive
Research suggests that people with migraine sometimes have reduced serotonin levels, which may also lead to nausea.
Treatment for headaches and nausea depends on the cause. If the cause is a migraine, the following may help:
- taking pain-relieving medication
- lying in a quiet, dark room
- laying a warm cloth on the forehead
- putting a cold compress on the back of the neck
- trying complementary treatments, such as aromatherapy, acupuncture, or acupressure
- taking antinausea medication
- getting fresh air
- trying meditation
- sticking to bland foods and small portions
If a person has a severe, sudden headache and no history of migraine, they should speak with a doctor.
Contact a doctor right away if a headache and nausea follow a blow to the head.
Also, seek medical attention if headaches grow worse over time or accompany any of the following symptoms:
- loss of consciousness
- blurred vision
- a fever
- trouble speaking
- feeling dizzy or confused
- having a stiff neck
- vomiting that occurs sporadically for more than 1 day
- not urinating for more than 8 hours
It may not always be possible to prevent headaches and nausea. However, the following may help:
- stopping smoking
- reducing caffeine and alcohol intakes
- reducing the effects of stress through mindfulness, meditation, or yoga
- drinking plenty of water
- avoiding foods that have previously triggered a migraine episode
- eating a healthy, balanced diet
- practicing good hygiene to avoid colds, the flu, or the stomach flu
- taking plenty of breaks from looking at screens
- getting enough exercise
Summary
Migraine is a common cause of headaches that occur with nausea. Dehydration and low blood sugar are also frequently responsible.
Some causes are more serious. Several affect the brain, such as meningitis, brain aneurysms, and tumors. These issues typically feature additional symptoms.
Anyone who is worried or unsure about the cause of their headaches and nausea should speak with a doctor.
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