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.
Breast-feeding is a learned skill, and poor technique can lead to milk being trapped in the breast, a main cause of mastitis. A blocked milk duct. If a breast doesn't completely empty at feedings, one of your milk ducts can become clogged, causing milk to back up, which leads to breast infection.