references
  
      Penn Medicine: “Is Deodorant Harmful for Your Health?”
    
      Microbiome: “Mapping axillary microbiota responsible for body odours using a culture-independent approach”
    
      JAAD Case Reports: "A case of axillary bromhidrosis secondary to trimethylaminuria successfully treated with microwave-based therapy"
    
      Mayo Clinic: "Hyperhidrosis"
    
      AARP: "What's That Smell? Possibly a Health Issue"
    
      Cleveland Clinic: "Body Odor: 

Is this an emergency? If you are experiencing serious medical symptoms, please see the National Library of Medicine’s list of signs you need emergency medical attention or call 911.

Onion-smelling sweat is totally normal, and there can be many causes. But, it's possible to get rid of.

Image Credit: Israel Sebastian/Moment/GettyImages

Image Credit: Israel Sebastian/Moment/GettyImages

How Bad Is It Really to Use Antiperspirant?

Sometimes, your sweat can smell sweet. This can indicate an underlying health condition.If it’s fruity, you could be dealing with diabetic ketoacidosis — when people with diabetes’ blood glucose levels are too high. If your sweat smells like maple syrup, you could be dealing with maple syrup urine disease — a rare genetic disorder. Talk to your doctor if you experience either of these.

5 Causes of Garlic Breath or Body Odor

If your pits have an onion scent, consider switching from deodorant to antiperspirant.

Image Credit: katleho Seisa/E+/GettyImages

Image Credit: katleho Seisa/E+/GettyImages

This Is Why Your Deodorant Isn’t Working Anymore

      Penn Medicine: “Is Deodorant Harmful for Your Health?”
    
      Microbiome: “Mapping axillary microbiota responsible for body odours using a culture-independent approach”
    
      JAAD Case Reports: "A case of axillary bromhidrosis secondary to trimethylaminuria successfully treated with microwave-based therapy"
    
      Mayo Clinic: "Hyperhidrosis"
    
      AARP: "What's That Smell? Possibly a Health Issue"
    
      Cleveland Clinic: "Body Odor: