Good morning.
Your son is most probably suffering from ATOPY with varied involvement including atopic dermatits, allergic rhinitis and episodic viral wheeze. You are correct in saying it is genetically transferred and waxing waning course throughout life, but with medicines it can be controlled. Detailed history and Examination of patient is important to analyse further course of treatment, hence better to consult a pediatrician
Next Steps
Refer to a pediatrician or Pediatric pulmonologist
Health Tips
Identify and avoid allergen