Sulphur and Psorinum are both well-known antipsoric remedies in homeopathy, but they have different indications and characteristics:

1. Sulphur
-Indications: Sulphur is often used for skin conditions, especially those with itching, burning, and redness. It is also effective for respiratory issues, digestive problems, and general debility.
-Symptoms: Patients needing Sulphur may experience intense itching, burning sensations, and redness on the skin. They may also have a tendency to feel better with warmth and worse with cold.
-Constitution: Suitable for individuals who are warm-blooded, have a strong sense of self, and may be prone to skin eruptions.

2. Psorinum
-Indications: Psorinum is used for chronic skin conditions, respiratory issues, and general weakness. It is particularly effective for conditions that have a history of suppression or have been treated unsuccessfully with other remedies.
-Symptoms: Symptoms include intense itching, especially at night, scaly or dry skin, and a tendency to feel worse in cold weather. Psorinum is also indicated for chronic respiratory conditions with thick, foul-smelling mucus.
-Constitution: Suitable for individuals who are extremely sensitive to cold, have a low vitality, and often feel hopeless or anxious about their health.

3. Comparison
-Skin Conditions: Both remedies are used for skin conditions, but Sulphur is more commonly associated with burning and itching, while Psorinum is indicated for intense itching, especially at night.
-Constitution: Sulphur is for warm-blooded, self-confident individuals, whereas Psorinum is for those who are cold-sensitive, have low vitality, and often feel hopeless.
-General Health: Sulphur is used for a wide range of conditions including respiratory and digestive issues, while Psorinum is particularly effective for chronic conditions with a history of suppression.