Medical treatments can include hygiene and topical antibacterial agents, drying agents, lasers, and botulinum toxin. Surgical treatments can include surgical removal, superficial liposuction curettage, deep liposuction curettage, and upper thoracic sympathectomy.

Bromhidrosis is excessive or abnormal body odor caused by decomposition by bacteria and yeasts of sweat gland secretions and cellular debris.

Trimethylaminuria is a rare disorder in which the body’s metabolic processes fail to alter the chemical trimethylamine. Trimethylamine is notable for its unpleasant smell.

Causes of sour-smelling sweat at night. It’s common to experience some level of body odor while sleeping. Most people only apply antiperspirant or deodorant in the morning, and it wears off throughout the day. Then, after we sleep and sweat through the night, our perspiration causes a foul smell upon waking.

What causes the unpleasant smell is the bacteria that build up on your sweaty skin and react with sweat and oils to grow and multiply when sweat reacts with bacteria on the skin. These bacteria break down proteins and fatty acids, causing body odor in the process.

Bromhidrosis is common in adolescence, especially in women, and is tied to the familial genetic history.

If your skin develops an infection, either new or due to a preexisting condition, you may experience a sudden smell at the site of the infection. Some types of skin infections or conditions that might cause a smell include: trichomycosis axillaris, a bacterial infection of underarm hair follicles.

Conditions such as diabetes and liver and kidney disease can contribute to an abnormally strong body odor. The appropriate treatment approaches for bromhidrosis are based on the severity of the condition. In some cases, preventive measures are enough. In more serious cases, removal of the offending sweat glands may be the answer.

Bromhidrosis is foul-smelling body odor related to your sweat. Perspiration itself actually has no odor. It’s only when sweat encounters bacteria on the skin that a smell can emerge. Other than body odor (BO), bromhidrosis is also known by other clinical terms, including osmidrosis and bromidrosis.

Bromhidrosis is usually related to secretions by apocrine glands. But both types of sweat glands can lead to abnormal body odor. Because bromhidrosis is triggered by the action of bacteria on the skin, frequent washing may be enough to neutralize the bacteria.

Other than body odor (BO), bromhidrosis is also known by other clinical terms, including osmidrosis and bromidrosis. Bromhidrosis can often be treated or prevented through changes to your hygiene habits, though there are medical treatment options as well. You have two types of sweat glands: apocrine and eccrine.