Apr 5, 2023 · All types of porphyria involve a problem making heme. Heme is a part of hemoglobin. Hemoglobin is the protein in red blood cells that carries oxygen from the lungs to all parts of the body.

Apr 5, 2023 · Diagnosis. Many symptoms of porphyria are like those of other more common diseases. Because porphyria is rare, it can be difficult to diagnose. Lab tests are needed to make a diagnosis of porphyria and to determine which form of the condition you have.

Jul 12, 2024 · Pityriasis rosea is a rash that often begins as an oval spot on the face, chest, abdomen or back. This is called a herald patch and may be up to 4 inches (10 centimeters) across.