 <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]  effective dose for the shortest possible time. You should not use this medication after 30 weeks of pregnancy. This medication passes into breast milk and may harm a nursing infant. Breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.The interactions of Pain Relief (Aspirin-Caffeine) Oral: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Some products that may interact with this drug are: acetazolamide, corticosteroids (such as prednisone), dichlorphenamide, methotrexate, mifepristone, valproic acid, vemurafenib, herbal medications (such as ginkgo biloba). Before using this product, consult your doctor if you have recently received certain live vaccines (such as varicella vaccine, live flu vaccine). This medication may increase the risk of bleeding when taken with other drugs that also may cause bleeding </s>