Arsenicum album: People likely to respond to this remedy usually are anxious, restless, and compulsively neat and orderly. They are often deeply chilly, experience burning pains with many physical complaints, and become exhausted easily. The skin is dry and scaly and may tend to get infected. Scratching can make the itching worse, and applying heat brings relief.

Calcarea carbonica: This remedy is suited to people who are easily fatigued by exertion, sluggish physically, chilly with clammy hands and feet, and often overweight. Skin problems tend to be worse in winter. Typically solid and responsible, these people can be overwhelmed by too much work and stress. Anxiety, claustrophobia, and fear of heights are common. Cravings for sweets and eggs are often also seen when Calcarea is needed.

Graphites: People needing this remedy often have a long-term history of skin disorders. The skin looks tough or leathery skin with cracks and soreness. Itching is often worse from getting warm, and the person may scratch the irritated places till they bleed. Trouble concentrating, especially in the morning, is also often seen when this remedy is needed.

Mercurius solubilis: People who seem introverted and formal—but are very intense internally, with strong emotions and impulses—may benefit from this remedy. They tend to have swollen lymph nodes and moist or greasy-looking skin, and are very sensitive to changes in temperature. The areas affected by psoriasis may become infected easily.

Mezereum: A person who needs this remedy usually is serious, and often feels strong anxiety in the region of the stomach. Scaly plaques may itch intensely, thickening or crusting over if the person scratches them too much. Cold applications relieve the itching (although the person feels generally chilly and improves with warmth). People who need this remedy often have a craving for fat, and feel best in open air.

Petroleum: This remedy is often indicated for people whose physical problems are aggravated by stressful emotional experiences. It is especially suited to individuals with extremely dry skin, and problems that involve the palms and fingertips. The person may feel a cold sensation after scratching, and the skin is easily infected and may look tough and leathery. Itching will be worse at night, and from getting warm in bed. People who need this remedy may also have a tendency toward motion sickness.

Rhus toxicodendron: When this remedy is indicated for a person with psoriasis, the skin eruptions are red and swollen, and often itch intensely. Hot applications or baths will soothe the itching—and also muscle stiffness, toward which these people often have a tendency. The person is restless, and may pace or constantly move around. A craving for cold milk is often seen when a person needs this remedy.

Sepia: This remedy may be helpful to a person who feels dragged out and irritable, often with little enthusiasm for work or family life. The person’s skin may be look dry and stiff. Psoriasis may appear in many places on the body, including the nails and genitals. Signs of hormonal imbalance are often seen (in either sex), and problems with circulation are common. Exercise often helps this person’s energy and mood.

Staphysagria: This remedy may be helpful to individuals whose psoriasis has developed after grief or suppressed emotions. Any part of the body can be involved but the scalp is often affected. People who need this remedy often seem sentimental, meek and quiet, and easily embarrassed — but often have a strong internal anger or deeply-buried hurt.

Sulphur: Intensely burning, itching, inflamed eruptions that are worse from warmth and bathing suggest a need for this remedy. Affected areas often look bright red and irritated, with scaling skin that gets inflamed from scratching. This remedy is sometimes helpful to people who have repeatedly used medications to suppress psoriasis (without success).