Excessive Sweating

What is Hyperhidrosis?

Hyperhidrosis is a condition characterised by excessive sweating beyond what the body needs for temperature regulation. It can affect the hands, feet, underarms, face, or other areas and may interfere with daily activities and self-confidence.

Causes

Primary (Idiopathic) Hyperhidrosis

• Occurs without underlying medical conditions.
• Often genetic, runs in families.
• Usually starts in childhood or adolescence.
• Excessive sweating is symmetrical (both hands, both feet, etc.).

Secondary Hyperhidrosis

• Caused by underlying medical conditions or medications:
• Endocrine disorders → hyperthyroidism, diabetes.
• Infections → tuberculosis or other systemic infections.
• Medications → antidepressants, steroids, some diabetes medications.
• Neurological disorders → Parkinson’s, stroke, spinal cord injury.
• Menopause or hormonal changes → hot flashes.

Symptoms / Appearance

• Excessive sweating in specific areas (palms, soles, underarms, face).
• Sweating interferes with daily tasks, such as writing, holding objects, or using electronics.
• Skin may become moist, irritated, or prone to fungal infections.
• Sweating is not necessarily triggered by heat or exercise.
• Can cause emotional distress, social anxiety, or embarrassment.

Treatments

At-Home / Lifestyle Measures

• Antiperspirants → clinical-strength aluminum chloride-based products.
• Wear breathable, moisture-wicking fabrics.
• Maintain good hygiene to prevent odour and irritation.
• Avoid triggers such as spicy foods, caffeine, or stress if they worsen sweating.

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Medical Treatments

• Prescription antiperspirants → stronger formulations for affected areas.
• Oral medications → anticholinergics to reduce sweating (under medical supervision).
• Botulinum toxin (Botox®) injections → temporarily block sweat glands (effective for underarms, palms, and soles).

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Prevention / Management

• Daily skin hygiene and antiperspirant use.
• Avoid triggers like spicy foods, alcohol, caffeine, and stress.
• Wear loose, breathable clothing.
• Seek early medical advice for persistent sweating to prevent skin irritation and social impact.

FAQs

Q1. Is hyperhidrosis contagious?
No, hyperhidrosis is not contagious.

Q2. Can hyperhidrosis go away on its own?
Primary hyperhidrosis usually persists; secondary hyperhidrosis may improve if the underlying cause is treated.

Q3. Are Botox injections safe for hyperhidrosis?
Yes, Botox is safe and effective, with results lasting several months.

Q4. Can lifestyle changes help?
Yes, antiperspirants, clothing choices, stress management, and avoiding triggers can significantly reduce symptoms.

Q5. When should I see a doctor?
If sweating interferes with daily life, causes skin problems, or appears suddenly in adulthood, medical evaluation is recommended.