Bismuth subsalicylate may cause ringing in the ears, but that side effect is rare. Possible side effects from loperamide include skin rash, constipation, drowsiness, dizziness, tiredness, dry mouth, nausea, vomiting, and swelling, pain, and discomfort in the abdomen.
In the United States, the annual cost of soil erosion for both on-site and off-site effects has been estimated at 44 billion dollars a year (Pimentel et al., 1995). In the European Union, the figure is 38 billion Euros a year (Montanarella, 2007).
However, they are certainly not exclusive to the West Coast. The U.S. Geological Survey tallies $1 billion to $2 billion in annual damages and at least 25 deaths each year due to landslides and mudslides, which occur in every state and territory, and nearly every country in the world.