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Gastric bypass, a type of weight-loss surgery, helps morbidly obese patients lose weight by reducing the stomach to an egg-sized pouch and rerouting the digestive system to block some calorie absorption. As a result of the weight loss, changes in metabolism and possibly nutritional deficiencies -- especially during the first 6 months after surgery -- patients may complain of feeling cold.
If you are experiencing serious medical symptoms, seek emergency treatment immediately.
If you need a sweater when everyone around you is comfortable, you may have a condition called cold intolerance. Possible causes may include anemia, blood vessel problems such as Raynaud's phenomenon, anorexia nervosa or disorders of the thyroid. Individuals with severe chronic illnesses and those without sufficient stores of fat also have difficulty regulating body heat in cold environments. The treatment regimen depends on the underlying cause of the problem.
- If you need a sweater when everyone around you is comfortable, you may have a condition called cold intolerance.
- Individuals with severe chronic illnesses and those without sufficient stores of fat also have difficulty regulating body heat in cold environments.
Rapid Weight Loss
Diet to Correct Feeling Cold
Patients lose weight rapidly during the first six months after gastric bypass. In fact, they lose about 0.5 to 1 lb. a day for the first 90 days for a total of 40 to 90 lbs., says Jeffrey Mechanick, M.D., lead researcher in a study published in the September 2008 issue of "Surgery for Obesity and Related Diseases." During that time, their metabolism slows and they lose the fat stores that normally insulate them against cold temperatures.
- Patients lose weight rapidly during the first six months after gastric bypass.
- During that time, their metabolism slows and they lose the fat stores that normally insulate them against cold temperatures.
Gastric bypass patients may experience iron deficiency anemia, because they eat less and their smaller stomachs produce less of the hydrochloric acid needed to absorb iron. Iron deficiency may cause:
- cold intolerance
- hair loss
- reduced immune function
- a penchant for chewing ice
- according to Dana Swilley
- in an article published in the March 2008 issue of "Bariatric Times." Other symptoms may include
- shortness of breath
- pale skin
- brittle nails
- chest pain
- irregular heartbeat or coldness in your hands or feet
Vitamins and Minerals for Fever Blisters
Iron deficiency may occur in as many as 20 to 40 percent of gastric bypass patients, according to Linda Aills, R.D., lead researcher in a study published in the September 2008 issue of "Surgery for Obesity and Related Diseases." To prevent cold intolerance due to iron deficiency, follow your surgeon's instructions regarding supplements and laboratory testing 1. During the period of rapid weight loss, relieve the discomfort of cold intolerance by wearing socks even in bed, wearing a hat and gloves in cold weather and dressing in layers.
Diet to Correct Feeling Cold
Vitamins and Minerals for Fever Blisters
Can a Vitamin B12 Deficiency Cause Arthritis Symptoms?
Cold Symptoms and Anesthesia
Why Do People Who Have Had Gastric Bypass Avoid Sugar?
Iron and Chills
Foods That Help Your Braces Not to Hurt
The Common Cold & Weight Loss
Helping Hunger When on a Clear Liquid Diet
How to Get the Stomach Flu
- MedlinePlus: Cold Intolerance; Ari S. Eckman, MD; April 2010
- Beamish AJ, Reinehr T. Should bariatric surgery be performed in adolescents?Eur J Endocrinol. 2017 Apr;176(4):D1-D15. doi:10.1530/EJE-16-0906
- American Society for Metabolic and Bariatric Surgery. Bariatric Surgery Procedures.
- Maciejewski ML et al. Bariatric Surgery and Long-term Durability of Weight Loss JAMA Surg. 2016 Nov 1;151(11):1046-1055. doi:10.1001/jamasurg.2016.2317
- Telem DA, Jones DB, Schauer PR, Brethauer SA, Rosenthal RJ, Provost D, Jones SB. (March 2020). Society of American Gastrointestinal and Endoscopic Surgeons (SAGES). Updated Panel Report: Best Practices for the Surgical Treatment of Obesity.
- Stahl JM, Malhotra S. Obesity Surgery Indications and Contraindications. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2019. Updated May 2020.
- Kim RB. (Updated April 2020). Bariatric operations for management of obesity: Indications and preoperative preparation. Jones D, ed. UpToDate. Waltham, MA: UpToDate.
- Palermo M, Acquafresca PA, Rogula T, Duza GE, Serr E. Late surgical complications after gastric by-pass: a literature review. Arq Bras Cir Dig. 2015 Apr-Jun; 28(2): 139–143. doi:10.1590/S0102-67202015000200014
- University of Rochester Medical Center. (2020). Anastomotic Leak After Gastric Bypass Surgery
- Kim RB. (Updated May 2019). Laparoscopic Roux-en-Y gastric bypass. Jones D, ed. UpToDate. Waltham, MA: UpToDate.
- Wolfe BM, Kvach E, Eckel RH. Treatment of Obesity: Weight Loss and Bariatric Surgery. Circ Res. 2016 May 27; 118(11): 1844–1855.doi:10.1161/CIRCRESAHA.116.307591
- Monpellier VM, Antoniou EE, Aarts EO, Janssen IMC, Jansen ATM. Improvement of Health-Related Quality of Life After Roux-en-Y Gastric Bypass Related to Weight Loss. Obes Surg. 2017; 27(5): 1168–1173. doi:10.1007/s11695-016-2468-6
- Adams TD, Mehta TS, Davidson LE, Hunt SC. All-Cause and Cause-Specific Mortality Associated with Bariatric Surgery: A Review. Curr Atheroscler Rep. 2015 Dec; 17(12): 74. doi:10.1007/s11883-015-0551-4
- John Hopkins Medicine. Roux-en-Y Gastric Bypass Weight-Loss Surgery.
- Edholm D, Kullberg J, Karlsson FA, Haenni A, Ahlström H, Sundbom M. Changes in liver volume and body composition during 4 weeks of low calorie diet before laparoscopic gastric bypass. Surg Obes Relat Dis. May-Jun 2015;11(3):602-6. doi:10.1016/j.soard.2014.07.018
- UCSF Health. Recovery from Bariatric Surgery.
- Richardson WS, Plaisance AM, Periou L, Buquoi J, Tillery D. Long-term Management of Patients After Weight Loss Surgery. Ochsner J. 2009 Fall; 9(3): 154–159.
- UPMC. (2020). About Post-Surgery Bariatric Vitamins & Bariatric Supplements.
- Aminiana A, Changa J, Brethauera SA, Kimb JJ, American Society for Metabolic and Bariatric Surgery Clinical Issues Committee. ASMBS updated position statement on bariatric surgery in class I obesity (BMI 30-35 kg/m2). Surgery for Obesity and Related Diseases. 14 (2018) 1071-87.
- UCLA Health. Obesity Treatments. Gastric Bypass Surgery.
Marcy Brinkley has been writing professionally since 2007. Her work has appeared in "Chicken Soup for the Soul," "Texas Health Law Reporter" and the "State Bar of Texas Health Law Section Report." Her degrees include a Bachelor of Science in Nursing; a Master of Business Administration; and a Doctor of Jurisprudence.