Norvasc (amlodipine) is a calcium channel blocker (CCB) prescribed for the prevention and treatment of heart pain or chest pain from angina, and for the treatment of high blood pressure. Norvasc is available as a generic drug. Common side effects of Norvasc include: headache, swelling (edema) of the ankles or feet, dizziness, lightheadedness,
Another sign you could have mold is if your house has been flooded in the past. Flooding that left materials, like drywall, wet for more than 24 hours probably caused mold. Past flooding can be a sign you have hidden mold (eg inside wall cavities). It can also be a sign of mold problems in the basement.
This is typically what it takes to prevent roof leakage from ice dams. Random ceiling stains, no roof leaks. Condensation that occurs in the attic is a common cause of ceiling stains. When enough frost builds up in the attic, it can leave enough water when it melts to create stains in a bunch of random places.