Please choose the correct ending to complete the given sentence: Health: [header] How to live with warfarin [title] Understand precisely your dosages and the time and day you take it. [step] Many people on warfarin are given two different dosages and must take them on alternating days. For example, one may take 2 mg every monday, wednesday and friday, and 3 mg every tuesday, thursday, saturday, and sunday.

Ending1: Be sure to take the dosage at the required time. [title] Know the sides effects of warfarin and how to handle them. Ending2: To check if warfarin is doping, it is important to take it on alternating days such as tuesday, wednesday, and sunday. [substeps] If you take warfarin twice a day, it is probably safe to take every day. Ending3: [substeps] Warfarin is a relatively cheap drug and happens to be an important part of most people's daily lives. Being taken for at least this long with a short but powerful dose can lead to health problems over time. Ending4: [substeps] If you take a half or full dose of warfarin, either take it on two days or stop taking it. [title] Limit interactions with warfarin for smaller doses.

Answer format: ending1/ending2/ending3/ending4