Causes of Excessive Sweating

Simple Causes: Excessive sweating does not have to be a major disease. There are many simple causes to consider.

  • Normal sweating. Some people sweat a lot. Men sweat more than women usually. Some people sweat more on their hands and feet. Your sweating could simply be normal.
  • Overweight, Obesity. Being overweight can cause you to sweat a lot, especially after activity (even non-strenuous activities like walking or gardening).
  • Hot weather: In a tropical climate, or in hot weather, excessive sweating is common.
  • Over-dressed child: In hot weather, too many clothes will cause sweating of an infant or child.
  • Puberty. The onset of puberty in the teens can lead to increased sweating, especially underarm sweating.
  • Menstruation. Some women sweat more during their menstrual periods due to hormonal changes.
  • Nausea and/or vomiting. People will sometimes sweat when they feel nauseous.
  • Menstrual cycle. Some women sweat more at certain times in the menstrual cycle.
  • Menopause. The occurrence of hot flushes can lead to increased sweating in menopause or perimenopause.
  • Caffeine. Ingestion of caffeine in coffee, teas, or sodas can lead to sweating.
  • Nicotine (Tobacco). This can also cause sweating.
  • Alcohol. Consumption of alcohol can lead to increased sweating.
  • Aspirin. Taking aspirin can lead to increased sweating symptoms.
  • Spicy foods.
  • Emotional stress, anxiety, fear. Stress can cause an increase in sweating.
  • Clothing (synthetic materials). Certain types of cloth can lead to increased sweating, especially synthetic materials compared to natural fibres. Are your pyjamas or sleeping clothes causing your sweating?

Sweating from Other Symptoms: A number of other symptoms can cause sweating, and these disease causes need to be investigated.

Infectious Diseases: Various infectious diseases, acute or chronic, can cause sweating increases or night sweats as a symptom. Almost any fever-causing infectious disease can cause sweating from fever and raised body temperature. Read more about fever and night sweats. Some other examples include:

There are many other infectious causes. Read more about: Fever.

Non-Infectious Disease Causes: Sweating can be caused by some serious non-contagious illnesses as well. Some of the possibilities include:

Substance Causes: There are many drugs, toxins and substances, including various prescription medications, which can lead to increased sweating, such as:

Mental Health Disorders: Emotional disorders and mental health disorders can cause emotions (e.g. panic and “fight or flight”) with an “adrenalin rush” effect that can result in excessive sweating:

There are many other psychological disorders that cause anxiety. Read more about: Anxiety, Panic.

Other Causes: There are a variety of other causes of sweating:

  • Alcohol withdrawal
  • Drug withdrawal
  • Neonatal drug withdrawal (Maternal Drug Addiction)

Similar Symptoms: See also the causes of similar or related symptoms:

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.