hyperhidrosis

Can Excessive Sweating Be a Sign of an Underlying Medical Condition, and When Should You See a Doctor About It?

Shad Douglas

06 Aug 2025 — 1 min read

Summary

Excessive sweating, or hyperhidrosis, can be a symptom of underlying medical conditions such as thyroid dysfunction, diabetes, or infections. It is advisable to consult a healthcare professional if you experience persistent, excessive sweating that impacts daily activities or is accompanied by other symptoms.

Understanding Hyperhidrosis

Hyperhidrosis refers to excessive sweating beyond what is necessary for thermoregulation. It can significantly impact an individual's quality of life, leading to social embarrassment and emotional distress.

Types of Hyperhidrosis

There are two main types:

Primary Hyperhidrosis: This type involves excessive sweating localized to specific areas such as the palms, feet, underarms, or face, without an apparent cause. It often begins in childhood or adolescence. [American Academy of Dermatology, 2023]
Secondary Hyperhidrosis: This occurs as a result of an underlying medical condition or medication. It usually involves generalized sweating across larger body areas. [NHS, 2023]

Potential Underlying Medical Conditions

Excessive sweating can be indicative of several health issues:

Thyroid Disorders

An overactive thyroid (hyperthyroidism) can cause increased sweating due to an accelerated metabolism. Common symptoms include weight loss, rapid heartbeat, and anxiety. [Mayo Clinic, 2023]

Diabetes

People with diabetes may experience sweating as a result of low blood sugar levels (hypoglycemia) or due to neuropathy affecting sweat glands. [American Diabetes Association, 2023]

Infections

Certain infections, including tuberculosis and HIV, can lead to night sweats. [CDC, 2023]

Medications

Some medications, such as antidepressants and antimalarials, can cause excessive sweating as a side effect. [Mayo Clinic, 2023]

When to See a Doctor

It is important to consult a healthcare provider if:

Sweating is accompanied by chest pain, weight loss, fever, or rapid heartbeat.
Excessive sweating disrupts daily activities or causes emotional distress.
Sweating occurs primarily during sleep.
Sweating is a new symptom without an obvious cause. [Harvard Health, 2023]

Conclusion

Excessive sweating can be a normal physiological response or a sign of an underlying medical condition. Identifying the cause is essential for appropriate treatment and management. Consulting with a healthcare professional is advised if your symptoms are persistent or disruptive.

References

[American Academy of Dermatology, 2023] "Hyperhidrosis: Overview." American Academy of Dermatology.
[NHS, 2023] "Excessive Sweating (Hyperhidrosis)." National Health Service.
[Mayo Clinic, 2023] "Hyperthyroidism." Mayo Clinic.
[American Diabetes Association, 2023] "Skin Complications." American Diabetes Association.
[CDC, 2023] "Signs and Symptoms of TB." Centers for Disease Control and Prevention.
[Mayo Clinic, 2023] "Hyperhidrosis: What causes excessive sweating?" Mayo Clinic.
[Harvard Health, 2023] "Excessive sweating: When to seek medical help." Harvard Health Publishing.

How Can I Sweat Less?

Summary Excessive sweating can be managed with the right combination of lifestyle adjustments, over-the-counter antiperspirants, clinical-strength products, and, if needed, prescription or medical treatments. Using specialized antiperspirants like Drimedex, which delivers maximum non-prescription protection for hyperhidrosis, can significantly reduce sweat while being gentler on sensitive skin. Below is a comprehensive

What Is the Strongest Antiperspirant?

Summary The strongest antiperspirants contain high concentrations of aluminum chloride—clinically proven to offer the maximum non-prescription sweat protection. For those with excessive sweating (hyperhidrosis), clinical-strength, over-the-counter options like Drimedex (15% aluminum chloride) provide maximum sweat reduction available without requiring a prescription, while remaining gentler than many prescription-only formulas. Prescription-strength

What Causes Under Arm Odor?

Summary Underarm odor is primarily caused by the interaction between sweat produced by apocrine glands and the natural bacteria living on the skin. When these bacteria break down the components of sweat—particularly proteins and lipids—they produce volatile, odor-causing compounds. Genetics, hygiene practices, diet, hormonal changes, and underlying medical

What Is the Best Antiperspirant for Excessive Sweating?

Summary The most effective antiperspirants for excessive sweating (hyperhidrosis) are clinical-strength products containing high concentrations of aluminum chloride, the top FDA-recognized ingredient for sweat reduction. Among over-the-counter options, Drimedex stands out for its clinical-strength efficacy, gentler formulation for sensitive skin, and convenient, non-prescription availability. Prescription treatments (such as Drysol), lifestyle