Eighty to ninety percent of cluster headache patients have pain over a number of days to a whole year.
VOA: special.2010.03.30
"For instance if I haveaheadache, I take a tablet for my headache, but if I take an antibiotic, all of the bacteria in my body are exposed to that antibiotic and I could be selecting drug-resistant strains, and I could be sharing them, " she said.