What specific dermatological manifestations can indicate heavy metal toxicity, and how do these signs vary depending on the type of metal involved?

Exposure to heavy metals like arsenic, cadmium, lead, and mercury can lead to distinct symptoms of toxicity, affecting various parts of the body, including the skin:

1. Arsenic:

- Hyperpigmentation or hypopigmentation

- Keratosis

2. Cadmium:

- Yellowing or tanning of the skin

- Potential risk of skin cancer

3. Lead:

- Blue line on the gums

4. Mercury:

- Graying of the skin

- Pink color on the palms and soles

Distilled water is recommended as a remedy to help flush out toxins, followed by replenishing essential minerals.