Chronic Fatigue Syndrome: Causes, Symptoms and Diagnosis

Extreme fatigue and muscle aches can stem from various sources, including CNS fatigue or chronic mono. Proper diagnosis for children and adults is the first step toward managing persistent exhaustion.

Body Aches and Tiredness With Allergies

Published Aug,14 2017 | By Amy Sterling Casil

If you tend to get colds at the same time every year, they might be seasonal allergies, according to MayoClinic.com. Hay fever and allergies to mold, dust and pet dander can cause fatigue, but so do colds and infections. Body aches aren't usually associated with allergies.