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Can too much vitamin c cause headaches

A 36-year-old female asked:
Dr. Cornelia Franz
Specializes in Pediatrics
Maybe: That is not a typical symptom I am familiar with but too much anything will cause some symptoms. Best way to find out is to stop it and see if headach... Read More
Dr. Andrew Turrisi
Radiation Oncology 47 years experience
Overdoses of: The fat soluble vitamins: a, d, e &k are of concern. The others, including c, are easily flushed on a daily basis. It sems unlikely that a common comp... Read More
Dr. Jeffrey Bassman
Dentistry 45 years experience
Possibly: Vitamin c has been linked and used for circulation issues, and some headaches may be relieved by the vitamin. More and more research needs to be done... Read More

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A 38-year-old member asked:
Dr. Jeffrey Bassman
Dentistry 45 years experience
Possibly: Vitamin c has been linked and used for circulation issues, and some headaches may be relieved by the vitamin. More and more research needs to be done... Read More
A 31-year-old female asked:
Dr. Stuart Hickerson
Family Medicine 32 years experience
Infection: Cough too? Fairly common for someone who has recently had the flu to get a pneumonia.
A 29-year-old female asked:
Dr. Hunter Handsfield
Infectious Disease 53 years experience
Flu or COVID-19?: If "flu tablets" means an effective antiviral drug such as oseltamivir (Tamiflu) and there's been no improvement, probably you don't have influenza bu... Read More
A 34-year-old male asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
COVID 19: It could be the flu, COVID 19 or another viral infection. The only real way to know is by testing. COVID 19 Sx's may include fever, cough, feeling t... Read More
A 30-year-old female asked:
Dr. Brian Clear
A Verified Doctoranswered
A US doctor answeredLearn more
Certainly could be: Dehydration is always a concern with diarrhea and would be the most likely explanation for developing light-headedness after/with a period of diarrhea... Read More
A 24-year-old female asked:
Dr. Gurmukh Singh
Pathology 49 years experience
No: Vitamin C intake would not cause deficiency of potassium. Sources of vitamin C like orange juice also have potassium.
A 42-year-old member asked:
Dr. Jeffrey Rumbyrt
Allergy and Immunology 32 years experience
Possible: There are many causes of hives. Most likely, too much vitamin c is not the cause but rather something that contains vitamin c (like a supplement or a... Read More
A 20-year-old female asked:
Dr. Hunter Handsfield
Infectious Disease 53 years experience
Vitamin C: Vitamin C is the chemical ascorbic acid, and acids can upset the stomach. Try taking it with food or an antacid (which won't have any effect on its po... Read More
A 35-year-old member asked:
Dr. Yash Khanna
Family Medicine 57 years experience
No it does not: Though too much of anything is bad, but too much of vitc does not cause cancer.Daily requirement of vit c is 65to90 mgm daily, the maximum dose one ca... Read More

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