Q. What causes sensation of itching?
Doctor Answer is medically reviewed by SecondMedic medical review team.
The sensation of itching, also known as pruritus, can be caused by various factors, including:
1. Skin dryness: When the skin lacks moisture, it can become dry and itchy.
2. Allergic reactions: Exposure to allergens such as certain foods, medications, or environmental factors can trigger itching.
3. Skin irritants: Contact with irritants like soaps, detergents, or certain fabrics can irritate the skin and cause itching.
4. Insect bites: Bites from mosquitoes, bedbugs, or other insects can cause localized itching.
5. Skin conditions: Conditions like eczema, psoriasis, dermatitis, or hives can lead to persistent itching.
6. Underlying medical conditions: Certain medical conditions such as liver disease, kidney disease, thyroid disorders, diabetes, or cancer can cause itching as a symptom.
7. Neurological disorders: Conditions affecting the nervous system, such as neuropathy, multiple sclerosis, or nerve compression, can lead to neuropathic itch.
8. Psychological factors: Stress, anxiety, depression, or psychiatric disorders can sometimes manifest as psychogenic itch.
9. Medications: Some medications may cause itching as a side effect.
10. Systemic diseases: Diseases like HIV/AIDS, hepatitis, or certain autoimmune disorders can cause generalized itching.
Understanding the underlying cause of itching is crucial for proper treatment and management. If itching persists or is accompanied by other concerning symptoms, it's important to consult a healthcare professional for evaluation and appropriate care.