What Leptin Is. Leptin is a hormone secreted by adipose tissue (fat cells) that tells you youâre full. (Its opposite hormone is called ghrelin, which tells you youâre hungry. You can remember this because the word ghrelin sounds like a stomach growling.) Because leptin is secreted by fat cells, you produce more leptin as your weight increases.
Epinephrine is the most effective treatment for anaphylaxis, and the shot should be given right away (usually in the thigh). If youâve had an anaphylaxis reaction before, you should carry at least two doses of epinephrine with you at all times.
Anaphylaxis can also be called anaphylactic shock. It is an allergic reaction that can be life-threatening. In most cases, anaphylaxis will mean you need to take a trip to the emergency room. Click through the slideshow to find out about the causes of anaphylaxis.You'll also learn how to spot signs of anaphylactic shock and tips on how to treat and manage anaphylaxis.any happen with all allergic reactions. An anaphylactic reaction is different, though. That's because a number of symptoms can appear all at once. Symptoms may include: 1  itchy skin or hives. 2  a runny nose or sneezing. 3  an itchy mouth, throat, trouble swallowing, or swollen lips and tongue. 4  swollen limbs. 5  coughing.