Differential Diagnosis for Red Face
- Single most likely diagnosis
- Rosacea: This is a common condition characterized by flushing, redness, and visible blood vessels on the face, often accompanied by acne-like symptoms. It's a likely cause due to its prevalence and the direct correlation with facial redness.
- Other Likely diagnoses
- Sunburn: Prolonged exposure to the sun without adequate protection can lead to sunburn, causing redness of the face. This is a common and plausible explanation, especially in individuals who spend a lot of time outdoors.
- Allergic Reaction: An allergic reaction to cosmetics, skincare products, or environmental factors can cause facial redness. This is a possible diagnosis given the wide range of potential allergens that people are exposed to.
- Eczema/Dermatitis: Facial eczema or dermatitis can lead to red, inflamed skin. This condition is relatively common and can be triggered by a variety of factors, including allergies and irritants.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Carbon Monoxide Poisoning: Although less common, carbon monoxide poisoning can cause a cherry-red discoloration of the skin, including the face, due to carboxyhemoglobin. It's crucial to consider this diagnosis, especially in cases where there's a potential source of carbon monoxide exposure.
- Lupus: Systemic lupus erythematosus (SLE) can cause a butterfly-shaped rash across the cheeks and nose, leading to facial redness. Missing this diagnosis could have significant consequences due to the potential for serious systemic complications.
- Rare diagnoses
- Carcinoid Syndrome: This rare condition, often associated with neuroendocrine tumors, can cause flushing and redness of the face among other symptoms. It's an important consideration in the differential diagnosis due to its potential impact on patient outcomes.
- Polycythemia Vera: A rare blood disorder that can lead to increased red blood cell mass, potentially causing redness of the face. Although uncommon, recognizing this condition is critical for appropriate management and prevention of complications.