No, it is not safe to remain in a home with a strong, continuous sewage smell. Prolonged exposure to sewer gas—which contains hydrogen sulfide, methane, and carbon dioxide—can cause severe headaches, nausea, dizziness, respiratory irritation, and fatigue. Furthermore, accumulated methane gas poses a significant explosion hazard. Callout type="warning" title="Hygiene Warning": Open all windows for immediate ventilation and evacuate if the odor is overwhelming. Verification: Contact a licensed plumber immediately to locate and repair the source of the sewer gas leak.
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