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.
Rating Newest Oldest. Best Answer: Milk curdles all the time in your stomach. It doesn't mean the milk has gone sour, just that the solids are coagulating and separating from the liquid. Soda doesn't spoil milk. Many of them don't even make milk curdle (cola and root beer are commonly mixed with milk for ice cream sodas and floats). So, there's no reason that having pop and milk at the same time should cause an upset stomach.