left side headache Check the symptoms quickly. What is the risk of getting sick?

left side headache Check the symptoms quickly. What is the risk of getting sick?

left side headache Some people have pain in the temples or a sharp, throbbing pain behind the ears that spreads to pain in the back of the head. You need to check that this symptom is a sign of what disease .


  • Headache on the left side is often a symptom that some people encounter until they get used to it. But sometimes there are symptoms that spread, occipital pain , eye pain or throbbing pain in the ears, which may make you think that this kind of left-sided headache is signaling any disease or not. Therefore, in order not to be too apprehensive Let’s try to check the information that the left side of the headache can be caused by any causes.


left side headache
What disease can be caused by?

left-sided headache in the group due to disease It can be caused by many factors such as


1. Migraine

Left-sided headache is the first symptom of a migraine. That is usually a chronic unilateral headache. Or some people have headaches that spread to the eyes. or extending the pain to the whole head with nausea, vomiting, vision changes, blurred vision, dizziness, sensitivity to sound, light, smell, touch, numbness, tingling in the face or extremities These symptoms usually last between 4-72 hours per migraine.

2. Sinusitis

Sinus headaches are rare. And it’s often confused with migraine too. Because some people have a headache on one side. But in most cases, if it is sinusitis, the headache will be on both sides. together with ear pain, eye pain, or pain that extends to the jaw and have a stuffy nose, sneezing, and runny nose as well

3. Viral infection

Either the virus that causes the common cold, the flu, or COVID-19 can also cause headaches on one side. And the symptoms may spread to pain all over the head together with fever, nasal congestion, cough, sneezing, runny nose, etc.

Chronic unilateral headache (Hemicrania continua)

Classified as chronic headaches (Chronic headaches) with a specific type. Which is caused by the work of the 5th pair of nerves of the brain or the facial nerve (Trigeminal) receives sensation and sends abnormal signals. with a headache on one side Unilateral temporal pain that never moves together with pain around the eye socket And is chronic for more than 3 months or more, the pain level will be both mild to very severe. Along with the symptoms, there are often tears, red eyes, swollen eyes, runny nose, swollen lips on the same side as the headache side.

5. Cluster Headache

Another disease that causes pain on one side of the head. This may be a headache on the left side or a headache on the right side. The headache is quite severe. along with ocular pain, persistent pain at temples, forehead pain, and prominent joint symptoms such as runny nose, watery eyes, red eyes, swollen face, ptosis, or constricted iris This usually occurs on the same side as the headache. You may also experience headaches at different times of the day or at certain times of the year.

6. Chronic headache from neck muscle disorders (Cervicogenic headaches)

This disease is caused by abnormalities of the musculoskeletal system and structure of the cervical spine. in the joint cervical pillow The ligaments that hold joints, muscles, or the outer membrane of the spinal cord of the neck joints. The symptoms of the disease are quite similar to those of migraine, ie headache on the same side as the abnormal side. But often the occipital pain, neck pain first, then spread to the head Before it spreads to pain in the eyes, forehead, temples, and the pain will be chronic, coming and going for hours to days. or a throbbing headache all the time, alternating with a lot of pain, throbbing pain that comes up in some strokes for a short time, the symptoms often aggravate while the neck is moving. or in any unusual position including coughing and sneezing

7. Glaucoma

Eye diseases such as glaucoma also cause headaches on the left side. or headache on the same side as the eye that is cataracted Because this disease will cause patients with high intraocular pressure. from abnormalities in the water balance within the eye Resulting in headaches, eye pain, red eyes within 30-60 minutes, seeing rainbow lights around the lights. Decreased vision, nausea, and vomiting, which may occur suddenly. Or occur slowly, often become chronic or come and go, if not promptly treating glaucoma, it may risk blindness.

8. Brain Tumor

If the left side of the headache is chronic for a long time And there are other discomforts, such as severe headaches that start to wake up. headache for a time Especially when waking up, but when it’s late, the pain will subside. or will feel more pain when lying down, coughing, sneezing, straining stools and began to see double vision The field of vision is abnormal. began to look sideways, rarely seen start walking, bump into things stumbles often or headache until vomiting You should hurry to see a doctor for a quick check-up. Because these symptoms are considered to have a brain tumor.

9. Giant cell arteritis

  • Or called GCA for short, is an inflammatory disease of the artery walls. The branch of the large artery in the neck (External carotid artery or temporal artery: Temporal) that will be evident when constricting the jaw. or bulging blood vessels in some people’s temples This blood vessel is one of the routes that transport blood to the muscles and organs on the head and face outside the skull. If this blood vessel is inflamed or abnormal, it will show a sudden, severe pain on one side of the head. along with jaw pain, tongue pain, and chronic But most importantly, a high level of ESR (Erythrocyte Sedimentation Rate) or CRP (C-Reactive Protein) must be detected.


  • That means if you want to know clearly whether the left side of your head is related to this disease or not. It is best to have a physical examination with a doctor. Especially if the aforementioned symptoms occur in people aged 50 years and over, who are at risk of getting this disease more than other ages

10. Brain aneurysm

  • cerebral aneurysm Or aneurysm of the brain (Cerebral Aneurysm) is a disease of the abnormality of the cerebral artery wall that caused a balloon-like aneurysm and easily ruptured from triggering causes such as certain genetic diseases those who have a family history of this disease or untreated high blood pressure long-term smokers and deterioration of body cells in the elderly
  • The cerebral aneurysm usually occurs at the base of the skull. But most of them show no symptoms. Unless the cerebral aneurysm is so large that it crushes the nearby nerves, there may be symptoms such as facial pain, ptosis, or blurred vision. But if it’s a ruptured cerebral aneurysm, there will be a severe and sudden headache. especially around the neck and cannot bend his neck Along with nausea, vomiting, or in some cases, seizures, loss of consciousness, unconsciousness and risk of death if treated in time.

11. Stroke or Stroke

  • Stroke or stroke It is another dangerous disease that has warning signs like headaches. which may be pain on one side, throbbing, throbbing, or pain in the whole head But often there is a sudden, severe headache. The cause is caused by abnormalities in blood vessels, blood vessels, whether constricted, ruptured, clogged, or bleeding in the brain. It’s at risk of strokes. It is also dangerous to paresis, paralysis or risk of sudden death if not treated in time.

left side headache
from non-disease causes

Left-sided headaches may be caused by other non-disease causes or triggers, for example:

  • Drinking certain beverages, such as caffeinated beverages alcoholic beverages which can provoke headaches
  • stress
  • Sleep deprivation or insomnia
  • Fasting, which will deprive the brain of sugar. and can provoke headaches.
  • hormonal changes especially during the period before menstruation Hormones swing and affect the levels of serotonin and other neurotransmitters in the body, causing headaches in women. Including other physical discomfort such as abdominal pain, pain in the genitals or irritability.
  • Extremely hot weather can cause headaches.
  • Triggered by certain environments such as bright lights, loud noises, chaotic environments, hustle and bustle, or fast moving images, including acrid smells, burning smells, cigarette smoke, exhaust fumes.
  • wearing jewelry on the head or wearing a tight helmet for a long time
  • An overdose of certain medications, such as aspirin, paracetamol, ibuprofen, naproxen, or some migraine pain relievers.
  • Eating certain foods, such as nuts, chocolate, fermented foods, baked goods, smoked foods, foods that contain MSG, etc., can trigger headaches in some people.
  • high blood pressure


left side headache
How to fix it?

If you have a headache on the left side Initial remedies to alleviate symptoms include:

  • Drink lots of water to help your blood flow more easily.
  • sleep a lot
  • Hot compress or cold compress around the head and neck to relieve stiffness.
  • relax the body Maybe with aromatherapy, foot spa, relaxing massage. Or meditate, stay still in an airy space, practice breathing, or listen to your favorite music.
  • Notice that you experience headaches during activities, such as headaches when playing on your phone or watching TV, headaches when you’re in a hot place, or when you see a crowd of people. Headaches when exposed to bright light. should take themselves away from these triggering factors
  • Take painkillers such as paracetamol in the dosage recommended by the pharmacist. or according to body weight

However, if the headache on the left side does not subside It is advisable to hurry to see a doctor to find out the cause and proper treatment.

What kind of pain on the left side
should I see a doctor?

  If anyone has a headache on the left side along with the symptoms that fall under this category, it is considered at risk. which should see a doctor to detect the exact cause as soon as possible

  • double vision, blurry vision, a marked change in vision
  • red eye pain
  • have a fever
  • sweating
  • Nausea, vomiting
  • numbness, weakness, especially if it’s only on one side of the body
  • The headache comes on suddenly. and occurs to people aged 50 years and over
  • Headache changes, such as headache on the other side change to pain all over the head or throbbing pain, throbbing pain in places that have never had pain before, etc.
  • There is pain when moving the head.
  • Stiff neck, can’t bend over
  • dazed confused
  • The headache is getting worse. Especially when coughing, sneezing, straining, defecation or while doing various activities.
  • Left-sided headache begins to interfere with daily life
  • lose consciousness

left side headache can you prevent

Left-sided headaches that are not caused by disease can be prevented by yourself. By following this

  • drink enough clean water
  • stay away from stress
  • Avoid factors that trigger headaches, such as excessive light. Fast motion like watching TV Staring at a computer screen or mobile phone for a long time, including the sweltering heat and chaotic environment
  • avoid smoking
  • avoid drinking alcohol
  • Get enough sleep, at least 6-7 hours.
  • Keep exercising for good health.

However, if left-sided headache is one of the symptoms or signs of a particular disease, it should be treated directly with a doctor to treat the underlying disease. Including getting advice on taking care of yourself properly from a medical professional.

Articles related to headaches

  • 14 types of headaches. Treat like this to the point.
  • What kind of headache is unusual? Check for a bit and hurry to see a doctor.
  • How to self-massage for migraines In addition, eye pain and crow’s feet are also gone!
  • Brain Tumors Brain cancers can be observed with chronic headaches.
  • Head down and headache Dizziness when turning, know it in time. This symptom may not be normal.
  • I slept in the evening and had a headache. Why is that?
  • Drink cold water and get a headache Is this case dangerous? How to fix it to feel more comfortable
  • 14 types of headaches. Treat like this to the point.
  • What kind of headache is unusual? Check for a bit and hurry to see a doctor.
  • How to self-massage for migraines In addition, eye pain and crow’s feet are also gone!
  • Brain Tumors Brain cancers can be observed with chronic headaches.
  • Head down and headache Dizziness when turning, know it in time. This symptom may not be normal.
  • I slept in the evening and had a headache. Why is that?
  • Drink cold water and get a headache Is this case dangerous? How to fix it to feel more comfortable




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