See below: Yes: Underweight might be secondary to or symptomatic of an underlying disease. Unexplained weight loss needs evaluation asap. Severely underweight individuals may have poor physical stamina and a weak immune system, leaving one open to infection. Malnutrition due to poor/inadeq intake, genetics, underlying mental or physical disease need to be ruled out.
Answered 11/28/2017
5.8k views
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question