Differential Diagnosis for Cough and Sore Throat for 2 Months
Single Most Likely Diagnosis
- Chronic sinusitis or postnasal drip: This is a common cause of chronic cough and sore throat, especially if the patient has a history of allergies or sinus infections. The prolonged duration of symptoms and the presence of both cough and sore throat make this diagnosis a strong consideration.
Other Likely Diagnoses
- Gastroesophageal reflux disease (GERD): GERD can cause chronic cough and sore throat due to acid reflux, especially if the patient experiences symptoms at night or after eating certain foods.
- Allergic rhinitis: Allergies can cause chronic cough and sore throat, especially if the patient has a history of allergies and the symptoms are seasonal or triggered by specific allergens.
- Asthma: Asthma can cause chronic cough, especially if the patient has a history of wheezing or shortness of breath.
Do Not Miss Diagnoses
- Lung cancer: Although less likely, lung cancer can cause chronic cough and sore throat, especially if the patient has a history of smoking or exposure to carcinogens.
- Tuberculosis (TB): TB can cause chronic cough and sore throat, especially if the patient has been exposed to someone with TB or has a weakened immune system.
- HIV infection: HIV can cause chronic cough and sore throat due to opportunistic infections, especially if the patient has a history of high-risk behavior or has not been tested for HIV.
Rare Diagnoses
- Sarcoidosis: Sarcoidosis is a rare autoimmune disorder that can cause chronic cough and sore throat, especially if the patient has a history of skin or eye symptoms.
- Relapsing polychondritis: This is a rare autoimmune disorder that can cause chronic cough and sore throat, especially if the patient has a history of cartilage or joint symptoms.
- Angioedema: Angioedema is a rare condition that can cause chronic cough and sore throat, especially if the patient has a history of allergic reactions or swelling.