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Doctor insights on: Why Do I Always Get A Headache If I Don't Eat At All Or If I Don't Eat Again Within 5 Hours Of Eating

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Why do I always get a headache if I don't eat at all or if I don't eat again within 5 hours of eating?

Why do I always get a headache if I don't eat at all or if I don't eat again within 5 hours of eating?

Blood sugar: Let your doctor decide, some possibilities like low sugar, compulsive craving for food etc. ...Read more

Dr. Bennett Machanic
4,306 Doctors shared insights

Headache (Definition)

The medical term is cephalalgia. It is a feeling of pain that can occur on either both sides or just one side of the head or neck. Headaches can be sharp, dull, or throbbing, and can radiate to different areas of the head. They typically last less than an hour but can ...Read more


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If I don't eat every four to five hours, I always very suddenly get really dizzy, weak, and headache-y, & almost pass out. What should I do?

If I don't eat every four to five hours, I always very suddenly get really dizzy, weak, and headache-y, & almost pass out. What should I do?

See endocrinologist: You may be having low blood sugar episodes, or so it would appear. See your doctor, describe your symptoms. There are pancreatic tumors that cause excess Insulin to be produced. In the meantime, keep some snacks on hand and eat whenever these feelings occur. Good luck. ...Read more

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Why do I always get headaches after eating lunch? I also start shaking and heart beats faster. It happens no matter what I eat

Why do I always get headaches after eating lunch? I also start shaking and heart beats faster. It happens no matter what I eat

Can't tell here: Could be lots of causes, including what and when you eat, meds, caffeine intake, work environment, underlying medical issues-diagnosed already or not, etc. Need to see md, give history, bring diet diary (with symptoms), get examined, tested or referred to specialist (e.g. Ophthalmologist, neurologist, endocrinologist, cardiologist) as appropriate. ...Read more

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If I don't eat something every 2 to 3 hours a day I get a headache and feel tired. Is this normal or should I be concerned?

If I don't eat something every 2 to 3 hours a day I get a headache and feel tired. Is this normal or should I be concerned?

See your doctor: Disturbances in homeostasis can cause headaches. Such as low blood sugar or high blood pressure. Most headaches not serious. However, first your doctor will determine what type of headache you have. Headaches have many causes I suggest you see your physician and discuss a plan to determine the cause. Your doctor might order imaging of brain and optic nerve exam to rule out serious conditions. ...Read more

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For several days now I get a headache right after eating, regardless of what I eat. Any suggestions?

For several days now I get a headache right after eating, regardless of what I eat. Any suggestions?

Headache: Any past history of migraine? Does migraine runs in your family? Please discuss the possibility of migraine with your doctor. ...Read more

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I get back pains, belly pains headaches and feeling sick quite often, I don't like eating but when I do I am not able to eat much, what does it mean?

I get back pains, belly pains headaches and feeling sick quite often, I don't like eating but when I do I am not able to eat much, what does it mean?

Possibility?: A possibility is that you could have gallbladder problems. Eating spicy foods and fatty foods both stimulate the gallbladder to contract. If there are gallstones blocking things you will get pain. It would be important to rule this out! You should see your md to further evaluate and make sure this is not the case. In addition they would be able you see you for stomach or ulcer problems! ...Read more

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How do I easily gain weight I am 20 pounds underweight even though I am constantly eating and when I don't for a long period of time or don't eat enough I get dizzy, I have a headache, and feeling like I am about to faint. I weigh 85 pounds right know even

How do I easily gain weight I am 20 pounds underweight even though I am constantly eating and when I don't for a long period of time or don't eat enough I get dizzy, I have a headache, and feeling like I am about to faint. I weigh 85 pounds right know even

I: I am concerned to hear that you get dizzy, feel like you will faint and get headaches. If you have not been to your doctor, please see your doctor. Your doctor will do a physical evaluation and check things like your blood sugar and your thyroid level. Don't know if you menstruate or if you have a past history of any eating disorders. The best thing to do is ask your parents to see your physician to have this properly assessed. ...Read more

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Throat itches after eating avocado? Sometimes I get really bad headaches if I eat a lot of it. Am I allergic?

Throat itches after eating avocado? Sometimes I get really bad headaches if I eat a lot of it. Am I allergic?

Possibly: If your throat itches - don't recommend you tempt fate. Stop eating it. However, if you want to know for sure - see your allergist. Take care. ...Read more

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How come I get headaches and feel nauseous when I don't eat?

How come I get headaches and feel nauseous when I don't eat?

You need food.: You get headaches when yu don't eat because your body and brain is craving nutrition. If you have not been drinking you are also dehydrated. You need to eat and drink fluids for your body to functon. Listen to your body. It is telling you that you need to eat. ...Read more

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Sometimes I don't eat for a while and I get headaches. Does taking Excedrin help?

Sometimes I don't eat for a while and I get headaches. Does taking Excedrin help?

Hunger headache?: Hunger headaches are muscle tension/low blood sugar. Hunger causes your scalp muscles to tighten. Skipping meals, sleeping later than usual or delaying meals or snacks may result in a drop in your blood sugar levels. When your blood sugar drops, your body releases hormones to counter low glucose levels, which can trigger a headache
excedrin may help but work on that lifestyle. ...Read more

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What makes me get a headache every time I eat?

What makes me get a headache every time I eat?

Temporal arteritis: Jaw claudication could be a sign of temporal arteritis. I would go see a doctor immediately. It's an emergency. Check out the sed rate. Need to be treated with steroids and temporal artery biopsy. ...Read more

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I get headache when I do not eat on time what can I do to stop them?

I get headache when I do not eat on time what can I do to stop them?

Eat snacks: Not eating determines hypoglycemia, low sugar level. We need to eat either small snacks or meal but our body need nutrition! ...Read more

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Everytime I eat pork I get headaches?

Everytime I eat pork I get headaches?

Avoid pork: While you do not have an allergy, you may have a sensitivity to either some of the proteins or how it is prepared and I would avoid eating it. If you started noting headaches after eating raw or undercooked pork, you should know about cystercicosis, which can effect brain tissue as well. If you notice any changing neurologic signs, ask your primary to assess this very rare but possible disease. ...Read more

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Why is it that after I eat I get a headache and nausea?

Why is it that after I eat I get a headache and nausea?

Tipping point: Maybe you are allergic or sensitive to dairy or other foods. Your doc or a nutritionist can test you. We can tolerate a certain amount of offending foods but when then reach a tipping point we have symptoms. Peace and good health. ...Read more

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Why do I get headaches when I eat raw onions?

Migraines: Raw onions are a big migraine trigger.
You may find other foods can trigger migraines as well. ...Read more

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Everytime I eat pork I get a headache, why does this happen?

Everytime I eat pork I get a headache, why does this happen?

Allergy maybe: If you don't get a similar reaction with other foods, then probably an allergy---best to avoid pork, then see an allergist for testing. ...Read more

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Can you get a headache at night if you eat too many cookies and cake throughout that day?

Can you get a headache at night if you eat too many cookies and cake throughout that day?

Sugar: And other junk food can trigger a blood sugar imbalance causing headache, irritability, etc. Cinnamon on your food, where possible, can help balance things out and, of course, minimize junk food and sugar intake. Peace and good health. Stevia can be a replacement for sugar, even in baking. ...Read more

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I drink and eat healthily, and get a lot of exercise, but I always seem to have a headache. Why could this be?

U need eval 4 cause: C ur pcp or internist 2 r/o any other cause. U r in the age group for cerebral a/v malformation, which can b fatal. Head ache may b a warning sign. Get in now. ...Read more

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I smoked five ciggarette a day then I get severe headaches cause of smoking?

I smoked five ciggarette a day then I get severe headaches cause of smoking?

Smoking: Yes definitely cigarettes can cause headaches - it is due to the excessive nicotine. People respond differently - you get your headache after 5 smokes, other may get with less or more or not get it at all. ...Read more

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I have found that if I don't eat adequate amounts of protein with every meal I get horrible headaches. Why would this be?

Blood sugar?: Protein stabilizes the absorption and "burning" of carbohydrates (sugars, starches) that are eaten along with it. If your meal or snacks are high carb and low in fat or protein, you may burn the carb too quickly and leave your brain starved for more. If you are also hungry and shaky when the headache appears, then that is most likely what's happening. Talk to your doc. ...Read more

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Why would I get a horrible headache and dizziness when I need to eat or are tooo stressed?

Why would I get a horrible headache and dizziness when I need to eat or are tooo stressed?

Migraine: What you describe are migraine headaches. Stress and skipping meals are classic triggers. You are in right age group for migraines to start. You should discuss your concerns with your doctor. ...Read more