 <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]  vessels so blood can flow more easily to the heart.This medication will not relieve chest pain once it occurs. It is also not intended to be used just before physical activities (such as exercise, sexual activity) to prevent chest pain. Other medications may be needed in these situations. Consult your doctor for more details. How to use Nitroglycerin 2 % Transdermal Ointment Read the Patient Information Leaflet available from your pharmacist. Consult your doctor or pharmacist if you have any questions. Apply this medication as directed by your doctor. Avoid touching the ointment with your fingers. Carefully squeeze out your dose onto a paper dose-measuring applicator. These applicators are supplied with the medication. Place the paper applicator with the ointment side down onto a dry, hairless area of skin, usually on the chest. Do not rub the ointment into the skin. Using the paper, lightly spread the ointment to cover an area of a size directed by your doctor. Tape the paper applicator into place and cover with plastic wrap to avoid staining your clothing. Wash your hands after applying and removing the medication. Remember to use a different area for each application. It is important to apply this medication at the same times </s>