###Human: My nasal passage gets blocked at night resulting continuous sneeze in the morning. Please help. ###Assistant: Hello,  Welcome to icliniq.com.  As per your symptoms of nasal congestion and sneezing you are likely to be suffering from allergic rhinitis. One thing that is prime importance is avoidance of allergens. Then there is also the role of steroids. Since you are diabetic, systemic steroids are better avoided. However topical steroid sprays can be used safely. Are you using any steroid nasal sprays?