Light headache with popping ears and pressure at top of nose, what could be the cause? i've had the symptoms for a few weeks, but it is not constant.

Sinusitis : you most likely have sinusitis and allergies. Try OTC antihistamines first, if not better, you might need antibiotics for chronic sinusitis.

U may have a: sinus headache triggered by allergies or a sinusitis ( if u have a green or bloody nasal discharge). An antihistamine may give relief,like Zyrtec.A sinusitis will require antibiotics.A cold could cause Increaced sinus pressure and popping(congested ) ears.If persists,c ur doc. ??