Widespread musculoskeletal pain is the most common symptom of fibromyalgia. It generally occurs at multiple sites throughout the body, although it may start in one region, such as the neck and shoulders, and later occur at other locations over a period of time.
But it can develop later in life. A milk allergy is an immune system reaction that causes various symptoms to form within the first hour of consuming the dairy product. Headaches and fatigue related to a milk allergy are the result of sinus inflammation.airy products on tabletop. Photo Credit Digital Vision./Photodisc/Getty Images. Consuming dairy products doesn't cause headaches and fatigue in healthy adults. If you eat dairy products and get a headache and fatigue, you may be allergic to milk or may be lactose intolerant.
Milk doesn't contain as much fat as some junk food products, but it shouldn't be consumed to excess and skim milk and low fat varieties of diary products should be preferred. Many people are lactose intolerant, meaning that drinking milk can upset their stomachs and cause other symptoms like skin breakouts.