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why do i always get a headache if i dont eat at all or if i dont eat again within 5 hours of eating

A 23-year-old member asked:
Dr. James Huang
22 years experience Family Medicine
Blood sugar?: The simple answer is hypoglycemia (low blood sugar). The more complex answer is to take a complete history and physical of your pre-prandial headache. ... Read More
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2 thanks
Dr. Nalinaksha Joshi
23 years experience Neurology
Blood sugar: Let your doctor decide, some possibilities like low sugar, compulsive craving for food etc.

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A 18-year-old female asked:
Dr. Mark Kuhnke
40 years experience General Surgery
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 exc ... Read More
Dr. Amy Levine
23 years experience Radiology
Get tested: First, you should get tested to make sure you don't have diabetes. Assuming you don't, snack between meals so that you don't experience this. It like ... Read More
A 18-year-old female asked:
Dr. Arthur Heller
43 years experience Gastroenterology
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, ... Read More
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1 thank
A member asked:
Dr. Damien Luviano
18 years experience Ophthalmology
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 docto ... Read More
A 44-year-old male asked:
Dr. Diane Minich
37 years experience Family Medicine
Hypoglycemia: Your blood sugar may get low causing a headache. See your doctor to rule out any other causes.
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1 thank
A 37-year-old female asked:
Dr. Rifat Naghmi
46 years experience Internal Medicine
Headache: Any past history of migraine? Does migraine runs in your family? Please discuss the possibility of migraine with your doctor.
1
1 thank
A 25-year-old female asked:
Dr. Michael Stern
10 years experience General Surgery
Possibility?: A possibility is that you could have gallbladder problems. Eating spicy foods and fatty foods both stimulate the gallbladder to contract. If there ar ... Read More
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1 thank
A member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
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. Yo ... Read More
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1 thank
A 30-year-old male asked:
Dr. Sadaf Mustafa
7 years experience Internal Medicine
Prilosec: Hello and Welcome to HealthTap, It is less likely to be d/t the gastritis, the Prilosec itself may perk up your appetite. Try using an alternative ag ... Read More
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1 thank
A 29-year-old female asked:
Dr. David Geffner
54 years experience Endocrinology
Not likely: Underactive thyroid function could cause fatigue, unlikely an aftereating headache. Your doctor will have to look for other causes.
1
1 thank

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