This list is not all inclusive, and the causes are not presented in order of likelihood. The causes of this symptom can include unlikely diseases and medications. Furthermore, the causes may vary based on age and gender of the affected person, as well as on the specific characteristics of the symptom such as quality, time course, aggravating factors, relieving factors, and associated complaints. Use the Symptom Analysis option to explore the possible explanations for unintentional weight gain, occurring alone or in combination with other problems. Aging, which is generally accompanied by a slower metabolism , often causes weight gain unless accompanied by a reduction in food intake or adequate exercise .
Weight gain is a significant symptom of several endocrine diseases.
It may also be caused by heart or lung disorders. A rapid weight gain may indicate dangerous fluid retention. If there is a change in vision with the weight gain. The medical history will be obtained and a physical examination performed. The physical examination may include a general physical examination and a measurement of the body weight.