 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  your medication into the WebMD interaction checker Check InteractionThe overdose of Xopenex HFA Inhalation: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: chest pain, fast/pounding/irregular heartbeat, headache, shaking (tremors), nervousness, weakness, severe dizziness, seizures.  Notes Do not share this medication with others. Lab and/or medical tests (such as blood pressure, heart rate, EKG) may be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details. Avoid allergens/irritants that can worsen breathing problems, such as smoke, pollen, pet dander, dust, or molds. Learn to use a peak flow meter, use it daily, and promptly report worsening breathing problems (such as readings in the yellow/red range, increased use of quick-relief inhalers). Because the flu virus can worsen breathing problems, ask your doctor or pharm </s>