cold symptoms
"Be careful using this medication, and do not use it longer than 3 days without talking to your doctor.  I took this medicine once a day for months at a time to help with sinus and allergies, and I just found out I have tachycardia as a result (the electric impulses in my heart are messed up and now it beats dangerously fast).  I am at risk for a stroke or a heart attack and will likely have to take medicine the rest of my life to lower my heart rate.  Don't let this happen to you!"