Headaches are one of the most common side effects of sinus and allergy problems. According to Dr. Farhad Sigari of Del Rey MD, it is important to diagnose what is causing headaches in patients.
Headaches are one of the most common side effects of sinus and allergy problems. According to Dr. Farhad Sigari of Del Rey MD, it is important to diagnose what is causing headaches in patients.