Chest pain can stem from various causes, some of which require immediate medical attention. Please do not attempt to self-medicate with random pain relievers without a professional evaluation. If you suspect a heart issue, please call emergency services immediately. While waiting, and only if you have no allergies or contraindications, chewing a single generic aspirin (325 mg) can be helpful. Avoid taking other heart medications like nitroglycerin unless they were previously prescribed to you by a doctor for this specific symptom. Your safety is the top priority, so please have a healthcare professional evaluate you right away.