Skin signals indicating serious diseases:

1. Dark Spots: May suggest Addison’s disease.
2. Discoloration: White patches could be vitiligo.
3. Rashes: Persistent rashes need medical evaluation.
4. Edemas: Daily edemas may imply hypothyroidism.
5. Moles: Rapidly changing moles require a doctor’s check.
6. Acne: Consult a doctor for persistent acne.
7. Flaking: Severe flaking can indicate serious conditions.
8. Excessive Sweating: Could signal Graves’ disease.

Always seek medical advice for accurate diagnosis.