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Why do my burps smell like sulfur?

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Quick Answer

Burps can smell like rotten eggs or sulfur due to the sulfur proteins that are present in some foods, according to MedicalHealthTests. The gas, hydrogen sulfide, is present in sulfur proteins contained in some foods. These sulfur proteins are emitted as burps when broken down in the small intestine or stomach.

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Full Answer

Removing sulfur-containing foods such as poultry, red meat, eggs, dairy and certain vegetables may help in reducing sulfur-smelling burps, notes Health Hype. Read the ingredients in medicine as some may contain sulfur, such as amino acids, cysteine and methionine. Food preservatives also contain sulfur, as well as some ingredients used in many fast food restaurants and hotel restaurant menus. Burps smelling like sulfur can be an indication of more serious conditions such as a parasitic infection, celiac disease, a peptic ulcer and Crohn's disease.

Sulfur burps are generally caused by dietary choices, medical reasons or certain prescription and over-the-counter medications, states MedicalHealthTests. Foods high in protein and aerated drinks should be avoided. Avoiding alcohol in excess and reducing smoking can help.

Belching is normal and generally requires no treatment, explains Healthline. If burping becomes more frequent and symptoms worsen, it is important to see a doctor and examine any possible underlying causes.

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