Loss of appetite

Introduction Loss of appetite refers to the desire for a lack of food. A severe loss of appetite is called anorexia.

Cause

There are many reasons for loss of appetite. The following 9 points are common:

1. Excessive physical labor or mental work: it will cause insufficient blood supply to the stomach wall, and the stomach will secrete and feed, so that the digestive function of the stomach will be weakened.

2, hunger and satiety: the stomach is often in a state of hunger, a long time will cause damage to the gastric mucosa, causing loss of appetite.

3, emotional stress and excessive fatigue: In today's fast-paced and competitive society, people are prone to cause insomnia, anxiety and other nervous emotions, leading to gastric secretion of acid interference dysfunction, causing loss of appetite.

4, overeating makes the stomach over-expanded: food stays too long, lightly causes mucosal damage, and heavy causes stomach perforation.

5, alcoholism smoking: alcohol can damage the taste buds on the tongue, alcohol can also directly damage the gastric mucosa, if suffering from ulcer disease, chronic gastritis, alcoholism will aggravate the condition, and even cause perforation of the stomach and duodenum; The harm of the gastric mucosa is not less than drinking, and smoking can also cause chronic gastritis.

6, cold food: often eat cold food, especially eating cold food before going to bed can easily lead to stomach cold, nausea, vomiting, loss of appetite.

7, drug factors: some chronic diseases require long-term medication, long-term use of certain drugs can lead to drug-induced taste disorders. Sometimes it has a certain relationship with the environment, mental state, and food processing.

8, fullness before going to bed: dinner is full, will inevitably increase the burden of gastrointestinal, gastric secretion disorder, prone to loss of appetite. In addition, it can also lead to obesity, sleeplessness, stones, diabetes, and the like.

9, exercise after eating: strong exercise after a short period of time will lead to increased gastric peristalsis, followed by stomach cramps, stomach pain, discomfort, nausea and vomiting, loss of appetite, and some may even cause stomach torsion.

an examination

Related inspection

Hepatitis A virus antigen (HAVAg) Cerebrospinal fluid potassium urine routine hepatitis B e antigen hepatitis B surface antigen

Diagnostic points and precautions:

(1) medical history

(1) The urgency of the onset and the duration of the duration.

(2) Whether there is fever.

(3) Whether there is nausea and vomiting, constipation, diarrhea.

(4) How much food is consumed.

(5) Whether there is weight loss.

(6) Whether there is fatigue, lack of energy, insomnia, and excitement.

(7) Is it cold?

(8) Whether to drink alcohol or eat certain drugs.

(9) Whether there is a history of trauma.

(10) With or without hepatitis, nephritis, gastritis, diabetes, thyroid disease, and history of tuberculosis.

(2) Physical examination:

In addition to doing a full physical examination, pay attention to the following items

(l) Mental and nutritional status.

(2) Whether the skin is pale, with or without dehydration, edema, hyperpigmentation, and jaundice.

(3) Whether there is hair loss.

(4) Whether the liver and spleen are swollen, whether there is an ascites sign, whether there is an abdominal mass, and whether the abdominal wall vein has a curved abdomen or not.

(5) Blood pressure measurement.

(3) Auxiliary inspection:

There are many causes of loss of appetite, so it is necessary to do it selectively in combination with the condition.

Differential diagnosis

(1) Loss of appetite needs to be identified with the following conditions:

(1) Identification with fear of eating: Fear is due to various reasons, the main reason is that the pain does not dare to eat, rather than want to eat such as day, throat disease, esophageal disease, nervous system disease and digestive system diseases.

1) Oral and pharyngeal diseases: common in oral inflammation, flat-sector inflammation, swelling around the flat body, pharyngitis, etc., because of the pain when swallowing, do not eat.

2) Esophageal diseases such as esophagitis and esophageal cancer cause swallowing pain. Esophageal tracheal fistula, "when F is coughing and coughing.

3) Nervous system diseases: such as false medullary palsy, swallowing and not eating.

4) Intestinal ischemic syndrome: Intestinal vascular perfusion caused by thousands of intestinal vascular lesions, often occurs in mesenteric arteriosclerosis, mesenteric vasculitis, intestinal cramps after eating (usually abdominal cramps occur about 20 minutes after eating) Sexual pain, mostly in the umbilical cord around the abdomen.) At first, occasionally, and then every meal must be ill, so that patients do not dare to eat pain for a duration of time, mostly for 1 to 2 hours.

5) Pancreatic cancer, slow pancreatitis: This disease can also occur abdominal pain about half an hour after a meal, the pain is mostly located in the upper abdomen, which is persistent pain. Sometimes the pain is very heavy and the patient is afraid of eating. The abdominal pain is usually 1 to 2 hours.

(2) Identification with refusal: Refusal refers to refusal to eat, which is common in people with mental illness.

(2) Intractable appetite loss requires attention to the following diseases

Short-term appetite loss, often have a clearer incentives, such as fever, mental stress, mental trauma, after taking some drugs, etc., a tunnel inducement is often removed. If the loss of appetite lasts for a long time, if it has been more than 2 to 3 weeks, especially those with weight F drop should be carefully examined to find the cause of the disease, refractory appetite, accompanied by obvious weight loss, except for anorexia nervosa outer. Mostly due to organic lesions.

Anorexia nervosa is a disease associated with mental factors that controls the diet to lose weight and maintain body shape. There is a lot of hunger at first, and after a long time, there is a significant anorexia because there are too few foods for a long time, and malnutrition, metabolism and endocrine disorders occur. Weight loss can reach 25% of the original weight. Men can have low libido, and women can have amenorrhea more often than young women can eventually develop cachexia or even death.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.