An itchy, dry scalp may be simply a consequence of skin dryness or certain hair styling practices, but these symptoms could also signal a more serious skin condition such as psoriasis or eczema. Addressing the cause of your itchy, dry scalp is important to determine the best treatment strategy.

If your baby has a dry scalp, the best treatment starts with understanding the cause. Dry scalp is not a serious condition and responds well to home treatment.

Itchy scalp has multiple causes, ranging from skin conditions such as dry skin, dandruff and psoriasis to underlying health concerns like iron deficiency anemia and liver disease. However, if your scalp begins to itch after shampooing, you may be experiencing a different set of conditions.

While most women are aware of what can cause hair to become dry, limp, oily or brittle, few know what can cause your scalp -- an important factor in the overall health of your hair -- to become itchy.

A dry, flaky scalp can be the result of a number of conditions. Psoriasis, eczema, poor nutrition, dehydration and too much shampoo are just a few of factors that contribute to poor scalp health.

If your child has a dry, itchy scalp, it is important to address the issue. Excessive scratching could introduce bacteria, but choosing a harsh, medicated shampoo could make the situation worse as well. Wisely choosing a shampoo for dry, itchy scalp can bring your child relief without compounding the problem.

If your scalp is extremely dry, you might notice a buildup of flakes on your scalp, in your hair and even on your clothes, especially after scratching. Dandruff is a very common condition that many people suffer from at some point in their lives.

When your toddler's scalp becomes excessively dry it can cause flaking and itching, making her cranky and uncomfortable. While most cases of dry scalp in toddler's respond well to home care regimens, your child may also be experiencing dry scalp due to a more serious condition such as ringworm, eczema or dermatitis.

Nioxin Research Laboratories makes a range of hair care products including conditioners, shampoos and scalp cleansers. They’re primarily designed for people with thinning hair but they don’t require a prescription. Nioxin shampoo is primarily sold through professional salons and other authorized retailers.

Bacteria of the scalp can be found with other scalp problems. According to MayoClinic.com, seborrheic dermatitis is caused by a fungus, but bacteria is usually present with the fungus.

Dry scalp occurs when the skin on the scalp loses moisture, which can cause skin to itch and flake. A dry scalp and dandruff can also be the cause of seborrheic dermatitis, which occurs when oil builds up on the scalp, according to the Mayo Clinic.

Dry scalp is a problematic, annoying condition for many people. Dry scalp is usually a symptom of dandruff, although some other conditions, such as scalp psoriasis, can cause similar symptoms. You can often treat dry scalp at home using medicated shampoos and moisturizing treatments such as leave-in conditioners.