Signs of a gas leakage can differ greatly depending on its severity A few typical signs include an distinctive scent hissing or whistling sounds cephalalgia sickness vertigo and exhaustion In addition you might also encounter shortness of breath angina epistaxis and visual irritation If you suspect a gas leakage it's vital to promptly evacuate the vicinity and call emergency services Never endeavor to manage a gas leak yourself; allow it to the trained professionals to fix the issue without risk