5. You Have an Endocrine Disorder
According to the National Institutes of Health, one in five men has hypothyroidism. This is more common in women than in men.
Plenty of men suffer from hypothyroidism due to which they gain weight suddenly, according to Cheskin.
Some other hormonal disorders can cause weight gain like Cushing disease, Butch says. He further explains that weight gain is not only the symptom if you are suffering from hormonal disorders. There are other symptoms like weakness, fatigue, depression, and irritability.
According to the Obesity Action Coalition, certain medications can affect people to gain weight quickly.
Some medicines contain drugs that treat health problems like seizures, diabetes mellitus, high blood pressure, depression, and psychiatric disorders. These drugs have some side effects on your health.
It is very important to take medicines according to the prescription.