Yes, a persistent sewage smell inside your home should be treated as an urgent plumbing matter. While minor odors are often resolved by simply refilling a dry P-trap with water, strong and continuous sewer gas odors indicate a potential major pipe crack, a broken sewer line, or a failed toilet wax ring. Prolonged exposure to sewer gases (which contain methane and hydrogen sulfide) poses health risks and potential explosion hazards. Verification: Ventilate the home immediately and contact a licensed professional plumber to inspect your drainage system.
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