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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.
OncologySerious

Melanoma

Melanoma is the most serious form of skin cancer, developing in the cells that produce melanin. While less common than other skin cancers, it is more likely to spread to other parts of the body if not treated early.

Severity
Serious
System
Whole body
Progression
Slow / Silent
Treatable
Yes — with early detection
Common age
All ages
Duration
Acute → may persist
Contagious
No
Emergency risk
High
Whole body
Affected area: Whole body

Overview

Melanoma is the most serious form of skin cancer, developing in the cells that produce melanin. While less common than other skin cancers, it is more likely to spread to other parts of the body if not treated early.

Symptoms

Click any symptom to analyze
Primary symptoms

No symptoms mapped yet.

Causes

  • DNA damage in skin cells
  • Uncontrolled growth of melanocytes (pigment cells)
  • UV radiation from sunlight and tanning beds

Risk factors

  • Fair skin, freckles, and light hair
  • History of frequent sunburns
  • Large number of moles (over 50)
  • Family history of skin cancer
  • Weakened immune system

How it progresses

3 stages
  1. Stage 1 — Early
    Mild or intermittent symptoms; easily mistaken for something minor.
    Often missed
  2. Stage 2 — Progressive
    Symptoms become more frequent or severe.
  3. Stage 3 — Established
    Daily life affected; medical care strongly recommended.

How it's diagnosed

  • Visual skin exam (ABCDE criteria)
  • Dermoscopy
  • Skin biopsy
  • Imaging tests (CT or PET scans) for staging

Treatment options

General educational information only — no dosage advice. Always follow guidance from a qualified clinician.

Medical
  • Surgical excision (removal)
  • Immunotherapy
  • Targeted therapy drugs
  • Radiation therapy
  • Chemotherapy (less common)
Home care
  • Regular self-skin checks
  • Strict sun protection (SPF 30+)
  • Wearing protective clothing and hats
  • Avoiding peak sunlight hours

Complications

  • Long-term damage if untreated
  • Reduced quality of life
  • Worsening symptoms over time
  • Recurrence of melanoma

Prevention

  • Maintain a healthy lifestyle
  • See a clinician for routine check-ups

When to seek help

Urgent — same-day care
  • Symptoms persist beyond a few days
  • Symptoms interfere with daily activities
  • New or worsening symptoms appear
  • Concerning changes related to melanoma
🚨 Emergency — call now
  • A mole that bleeds or crusts
  • Rapidly changing size or shape of a spot
  • A new dark streak under a fingernail
  • Lump under the skin near a mole

In any emergency, call your local emergency number or go to the nearest emergency department.

Real-world questions

  • Can Melanoma cause headaches?
  • Is Melanoma reversible?
  • How quickly does Melanoma progress?
  • Is Melanoma hereditary?
  • Can Melanoma be prevented?

Frequently asked questions

What causes Melanoma?

Possible causes of Melanoma include DNA damage in skin cells, Uncontrolled growth of melanocytes (pigment cells), UV radiation from sunlight and tanning beds.

Is Melanoma dangerous?

Melanoma can be serious and may require prompt medical attention, especially if symptoms are severe or worsening.

How long does Melanoma last?

Duration varies between individuals. Many cases improve with appropriate care, while others may persist longer and require ongoing management.

Can Melanoma go away on its own?

Melanoma typically benefits from medical evaluation and should not be ignored.

When should I see a doctor about Melanoma?

Consider seeing a clinician if symptoms are severe, persistent, worsening, or if you have any concerns related to general.

Sources

Information based on general medical references such as:

CDCNHSWHOMedlinePlus

Last reviewed: May 2026

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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.