Why do i keep getting serious headaches?

i have been getting serious headaches in my right side, around my right eye, feels like sinusitis or tootache, and i keep feeling like i want to sneeze infact i have done a lot,its not on the left side, its so sore feels like my teeth are inflamed it keeps coming and going and sometimes moves to the middle of my forehead, i do have a sore throat aswell but only minor could it be a cold coming on or something more serious?

Homeopathy for HEADACHES, MIGRAINES, SINUSITUS (Without any side effects or complications) :-

HEADACHE :-

With constant nausea; clean tongue Ipecac 30X, 3 hourly

With severe throbbing and rush of blood towards head Belladonna 30X, 3 hourly

Due to over eating; stomach disorders; tongue thickly whitish coated; worse bathing specially after river bathing Antim Crud 30X or 200 4 hourly(3 Doses)

Due to exposure to dry, cold wind; sudden with anxiety Aconite Nap.30X or 200X, 1/2 hourly (3 Doses)

With watering of eyes and sensitiveness to bright light Euphrasia 30X, 3 hourly

Headache; better by bending backwards; due to nerve injury Hypericum 30X, 3 hourly

Headache with humming in ears; due to nervous weakness Kali Phos.6X or 30X, 3 hourly

Hammering headache; worse during menstrual cycle going in sun; school girls Natrum Mur.30X or 200X, 4 hourly

Headache starts from nape of neck and shift over to the head; patient desires to lie down quietly; better passing urine Gelsemium 30X or 200X, 3 hourly