Final answer:
Symptoms including blood in urine, eosinophilia, asthma, and renal failure suggest a possible case of eosinophilic granulomatosis with polyangiitis. Further tests and specialist consultation are essential for diagnosis and treatment planning.
Step-by-step explanation:
Symptoms and Potential Diagnosis
The presence of blood in the urine (haematuria), along with positive p-ANCA, symptoms like asthma, and eosinophilia can suggest a condition like eosinophilic granulomatosis with polyangiitis (EGPA, formerly known as Churg-Strauss syndrome) that may result in renal failure. Determining the correct course of treatment will require further specific diagnostic tests like renal biopsy, chest imaging, and serological tests to confirm the diagnosis and the extent of organ involvement. Treatments typically involve corticosteroids and immunosuppressive agents. Due to the complex nature of this condition, the patient should be referred to a rheumatologist or nephrologist for specialized care.