Low appetite is low desire to eat. The following conditions, or drugs may cause low appetite:
Low Appetite in Healthy People
- Normal aging
Psychic/Emotional Causes
- Emotional stress: anxiety, depression, grief or loss, relationship problems
- Physical stress
- Anorexia nervosa
- Bipolar disorder
- Bulimia
- Social isolation
Infections
- Childhood infections
- Viral hepatitis
- Hemorrhagic fever
- Bacterial endocarditis
- Cyclosporiosis
- Typhoid fever
- Tuberculosis
- Urinary tract infection
- Other acute or chronic infections
Fever
- Rheumatic fever
- Still’s disease – systemic onset juvenile rheumatoid arthritis (JRA)
Nausea
Alcoholism
Smoking
Conditions and Diseases
- SWALLOWING DIFFICULTIES: mouth pain, sore throat
- STOMACH/DUODENUM: hiatus hernia, stomach/duodenal cancer or ulcer, pernicious anemia, gastroparesis
- BOWEL: constipation, malabsorption, celiac disease, intestinal parasites/worms, colorectal cancer, inflammation (Crohn’s disease), infection (food poisoning)
- APPENDIX: appendicitis
- LIVER: viral hepatitis, cirrhosis
- GALLBLADDER
- HEART: congestive heart failure
- HORMONES: diabetes mellitus, hypo/hyperthyroidism, hyperparathyroidism, adrenal insufficiency, hypopituitarism, APECED (Autoimmune PolyEndocrinopathy, Candidiasis, and Ectodermal Dysplasia)
- KIDNEY: uremia
- LUNGS: chronic pulmonary disease, pneumonia by Pseudomonas aeruginosa, psittacosis, silicosis
- PANCREAS: pancreatitis
- NERVES: transverse myelitis
General Diseases Affecting the Whole Body
- DEHYDRATION
- CANCER: metastases, lymphoma
- BLOOD: anemia, leukemia
Nutrient/Vitamin Deficiencies
- Malnourishment
- Zinc deficiency
- Milk-alkali syndrome – hypercalcemia, caused by excessive milk and calcium carbonate antacids consuption
- Beriberi -vit B1 (thiamine) deficiency – in chronic alcoholics: tingling and numbness in hands and feet; if heart is affected: shortness of breath on exercise, legs swelling
- Dilutional hyponatremia. Causes: heavy vomiting or diarrhea, diuretics, heart failure, kidney disease, cirrhosis
- Hypercalcemia
- Hypomagnesemia
- Arginase (enzyme that breaks down amino acid arginin) deficiency – inborn disorder, causes accumulation of arginin and ammonium in the body – muscle stiffness, shows up around age of 3.
- N-acetyl glutamate synthetase (NAGS) deficiency – a rare genetic disorder where a lack of enzyme causes ammonia accumulation in the blood
Pregnancy
- Pregnancy itself
- Acute fatty liver of pregnancy
Medications
- Antibiotics
- Glucocorticoids
- Iron supplements
- Antithyroid drugs (methimazole, propylthiouracil)
- Oral contraceptives
- Oral hypoglycemics
- Tamoxifen
- Cough and cold preparations
- Codeine and Morphine
- Demerol
- Digitalis
- Chemotherapeutic agents
- Ephedrine and other sympathomimetics
- Medications causing liver damage: chlorophorm, cyclopropane, ether, halothane, methoxyflurane, nitrous oxide, chloramphenicol, phenobarbital, 5-Fluorocytosine, metronidazole, ethionamide, vidarabine
- Amphetamine intoxication
- Anabolic C-17
Poisoning
- Lead
- Lead pipes, old paints, house dust
- Cosmetics, or remedies containing some traditional herbs: kohl, surma, bali goli; deshi dewa, ghasard, kandu, cordyceps, Hai Ge Fen, rueda, alacron, liga, Maria Luisa, etc
- Herbal agent adverse reaction: chaparral, foxglove, henna, kombucha, cottonseed, garlic, germanium
- Aluminium
- Arsenic
- Barium
- Bismuth
- Bromide
- Cadmium
- Chromium
- Copper
- Cresol
- Cyclopropane
- Glaze
- Gold
- Iron
- Mercaptans
- Mercury
- Nickel
- Selenium
- Solder
- Steroids
- Thallium
- Tin
- Uranium
- Ecstasy abuse
- Heroin withdrawal
- Marijuana withdrawal
- Aflatoxin- secreted by fungi on cereal (maize, sorghum, pearl millet, rice, wheat), oilseeds (groundnut, soybean, sunflower, cotton), spices (chillies, black pepper, coriander, turmeric, zinger), tree nuts (almonds, pistachio, walnuts, coconut) and milk
- Radiation sickness
What to Do?
- Have small frequent meals
- Eat caloric foods you like
- Eat with others
- Have a breakfast
- Consider treating or overcoming the cause of low appetite
References:
- What to do in low appetite? (cancer.org)
Tags: low appetite
I’m very afraid about crohn’s disease. I have some symtoms in abdominal pain, often in the lower right area, and diarrhea. Should I go to see the doctor? Please help.
Crohn’s disease actually often appears with right lower abdominal pain and diarrhea. Yes, you should see your doctor and arrange appointment with gastroenterologist.