Please choose the correct ending to complete the given sentence: Health: [header] How to stop root canal pain [title] Take pain medication. [step] Your dentist may prescribe a pain reliever for you to take after the root canal. If not, or if the pain is only minimal, take an over-the-counter pain reliever like ibuprofen or acetaminophen according to the manufacturer's instructions.

Ending1: [substeps] Speak to your dentist about whether or not that medication would work well for you. It can take two to three months for an over-the-counter pain reliever to help your body. Ending2: [substeps] The more ibuprofen or aleve you take, the less likely your case will be. Some over-the-counter pain relievers have mild side effects, so follow the dosage the manufacturer sets for you. Ending3: If the pain is constant, but you feel a sharp stabbing sensation along the roots, you may want to consider visiting a doctor. Sometimes root canal pain becomes more pronounced when the patient brushes the root. Ending4: [substeps] Although you'll be given pain medication during the root canal, you should take the otc pain relievers within an hour after the root canal. This will give them a chance to start working before your anesthesia wears off.

Answer format: ending1/ending2/ending3/ending4