Please choose the correct ending to complete the given sentence: Health: [header] How to use abreva [title] Use the medication as soon as you start experiencing symptoms. [step] Early signs of a coming cold sore include pain, burning, or feeling the blister emerging. [substeps] Abreva is made for use on your face or around your lips, but you can also use it around your nostrils if your cold sores have extended there.

Ending1: Don't apply it inside your nose or mouth. If a small amount gets into your mouth, such as cream that you licked off your lips after application, there is no need to worry. Ending2: Most people experience abreva 1-3 times per day for 1 to 3 weeks. [title] Soothe the blister-producing bacteria with saline. Ending3: It is rich in essential vitamins and minerals, which make it an effective injection for severe to serious sores. [title] Use the patient's own mouth. Ending4: Abreva can negatively affect your skin's ability to heal and may even tear it, making sores less effective. [title] Understand the effects abreva can have on your immune system.

Answer format: ending1/ending2/ending3/ending4