You might have dandruff if your scalp is dry and itchy and you see flaky things in your hair or on your clothes.
Dandruff
1
An itchy, dry, and flaky scalp may require better shampoo rinsing. The shampoo residue can irritate your scalp. Itchy scalp and rash may indicate allergic contact dermatitis. Hair-dyers often experience this.
Hair care product reaction
2
Red, raised, itchy bumps can form anywhere on the skin, including the scalp. Hives usually last a few hours. Hive disappear and return. Chronic hives last longer than 6 weeks.
Hives
3
The most common head lice symptom is itchy scalp. If you think head lice are causing the itch, have someone check your scalp and hair for these tiny bugs.
Head lice
4
Small human itch mites cause scabies. If mites burrow into your scalp, it can itch. A severe itch is the most common symptom of scabies, keeping you up at night.
Scabies
5
Ringworm isn't worm-related. Fungal infection. A red, itchy rash is typical of scalp ringworm.
Scalp ringworm
6
At least 50% of plaque psoriasis patients experience scalp flare-ups. The scalp may have reddish patches, dandruff-like flaking, silvery-white scale, and dryness. Scalp psoriasis causes mild to severe itching.
Psoriasis scalp
7
Atopic dermatitis (AD) can affect your scalp. This can cause scalp redness and scale. Some say their scalp burns and itches.
Eczema
8
Itchy scalp without rash or other skin reaction may indicate a nerve problem. Your doctor can diagnose neuropathy. Damage, disease, or abnormality to the nerves causes it. Shingles and diabetes affect nerves.
Nerve issue
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Itching may occur if you have skin cancer that develops on your scalp.