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Q&A: Headache After Dining Out

Find answers to medical questions from experts about having bad headaches after eating at a zi char stall or restaurant.
  • Article last reviewed 29 September 2021
  • 4 mins read

Ordering Up a Headache

Question: Every time I eat at a zi char stall or restaurant, I end up with a bad headache about half an hour later. It doesn’t matter which stall I patronise, I feel lousy after the meal. Is the MSG used likely to be the culprit? If so, why do I only suffer the effects when I eat zi char?

Answer: Food additives and flavour enhancers are commonly added during food preparation by food stalls and restaurants to make dishes taste better, and these are known to trigger headaches. Limit the number of dishes when ordering at a zi char stall, or keep to those that are less flavourful to minimise or avoid recurrences of your condition.

Headaches and Monosodium Glutamate (MSG)

Check with the server which dishes contain MSG (monosodium glutamate) so that you can avoid them. If possible, request that MSG be omitted in the dishes that you order.

Related: 8 Singapore Dietary Guidelines You Must Know

The subsequent absence of headaches will help confirm your suspicion of MSG as the culprit, but this may not be an effective method as MSG is unlikely to be the only food additive or flavour enhancer found in a zi char meal. Moreover, many condiments such as oyster sauce and dark soya sauce also contain MSG.

Monitoring Your Headaches

If you observe new patterns of a headache unrelated to food intake, consult your family physician for further evaluation. Such findings can be a manifestation of other medical conditions which may necessitate different forms of intervention.

Dr Tan Wee Hian
Family Physician-Associate
Deputy Head
Pioneer Polyclinic
National Healthcare Group Polyclinics

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