Learn the early signs of an asthma attack and how to prevent it. Visit your local urgent care today—open 7 days a week, no appointment needed! Fall in Cedar Hills, OR, offers plenty of fun seasonal activities, like exploring Commonwealth Lake Park or enjoying a day at Tullatin Hills Nature Center. However, cool autumn air and outdoor allergens can sometimes trigger asthma symptoms. Knowing the early signs of an asthma attack, like wheezing or ...