Can H Pylori Cause Hair Loss? Symptoms and Treatments

Medically reviewed by Dr. Bilal Khan M.B.B.S.
Written by Our Editorial Team
Last updated

If you are experiencing hair loss, you may be wondering if H pylori is to blame. H pylori is a bacterium that can cause various health problems, including stomach ulcers, gastritis, and inflammation of the stomach lining. But can it also cause hair loss? Let's find out.

Can H Pylori Cause Hair Loss?

The answer is not straightforward. While there is no direct link between H pylori and hair loss, some studies have suggested a possible connection between the two. For instance, a case report published in the Journal of Investigative Dermatology found that a man with patchy alopecia areata had hair regrowth after being treated for H pylori infection. Another study published in the Journal of the European Academy of Dermatology and Venereology found that H pylori infection was more prevalent in patients with alopecia areata than in those without the condition.

It is worth noting, however, that these studies are limited and more research is needed to establish a definitive link between H pylori and hair loss.

Additional Headings

  • What is H Pylori?
  • H pylori is a type of bacteria that can infect the stomach and small intestine. It is estimated that around half of the world's population is infected with H pylori, although most people do not experience any symptoms.

  • What Causes Hair Loss?
  • Hair loss can be caused by a variety of factors, including genetics, hormonal changes, medication, autoimmune diseases, and nutritional deficiencies.

  • How is H Pylori Infection Treated?
  • If you have H pylori infection, your doctor may prescribe a course of antibiotics to kill the bacteria. You may also be advised to take medication to reduce stomach acid production and relieve symptoms such as stomach pain and indigestion.

  • How is Hair Loss Treated?
  • The treatment for hair loss depends on the underlying cause. In some cases, hair may regrow on its own without any treatment. However, if the hair loss is caused by an underlying medical condition, medication, or hormonal imbalance, treatment may be necessary. Your doctor or dermatologist can recommend a treatment plan based on your specific needs.


While there is no clear evidence that H pylori directly causes hair loss, some studies have suggested a possible link between the two. If you are experiencing hair loss, it is important to speak with your doctor to determine the underlying cause and appropriate treatment plan. If you have H pylori infection, your doctor can recommend a course of antibiotics to help clear the infection and prevent further complications.

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Dr. Bilal Khan M.B.B.S. graduated from the Jinnah Sindh University in Karachi. He'll take the official medical licensing program in the US (USMLE) in September 2023. Bilal has a passion for research and has extensively fact-check and medically review articles under his name to make sure you have the most accurate information.