Some types of headache are accompanied by nausea, which is the feeling of needing to vomit. Migraines are the most common cause of both a headache and nausea.
Other common causes include:
- the flu
- a cold
- dehydration
- pregnancy
- food allergies
- excessive consumption of caffeine, nicotine, or alcohol
In this article, we explore the common causes of both headaches and nausea, as well as some underlying issues that are less common and more serious. We also discuss treatments and ways to prevent the symptoms.
Headaches are
Migraines represent the most common cause of both symptoms. According to a
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
Common causes
Beyond migraines, common causes of both headaches and nausea include:
- cluster headaches
- the flu, stomach flu, or common cold
- dehydration
- excessive use of nicotine, caffeine, or alcohol
- stress, depression, or anxiety
- food allergies
- food poisoning
- strep throat
- tonsillitis
- premenstrual syndrome
- pregnancy
Another common cause of a headache and nausea is low blood sugar, which can result from:
- not eating enough
- overuse of diabetes medications
- liver or kidney disease
- hormonal deficiencies
- drinking alcohol in excess
- 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
According to the findings of a
One explanation is that migraines affect nerve pathways that stimulate the part of the brain that controls vomiting. A
Another theory relates to serotonin, a chemical in the brain that affects:
- nausea
- mood
- social behavior
- appetite
- digestion
- memory
- sex drive
According to a
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 or acupuncture
- taking anti-nausea medication
- getting fresh air
- sticking to bland foods and small portions
If a person has a severe, sudden headache and no history of migraines, they should speak with a doctor.
See 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
- eating a healthful, 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
Migraines are the most 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.