Please choose the correct ending to complete the given sentence: Health: [header] How to stop sinus headaches [title] Take sudafed. [step] If you cannot see your doctor immediately, you can take sudafed pe sinus headache, which comes in 325 mg/5 mg caplets. These can be bought over-the counter.

Ending1: Each injector has 15 caplets. If you do not have a doctor's prescription, buy the sudafed version. Ending2: ( if you cannot see your doctor first, chiramivasana is the most common brand. ) [substeps] These can gradually work the way that sudafed is supposed to work, so carefully make sure to get your family doctor's approval. Ending3: Do not take sudafed to relieve your symptoms. If taking the medication, choose a safe dose and continue having your doctor administer the solution to your sinus pains. Ending4: [substeps] They contain acetaminophen which helps to relieve pain. They also contain phenylephrine hydrochloride which relieves congestion in the nose by shrinking the blood vessels.

Answer format: ending1/ending2/ending3/ending4