Symptoms of lactose intolerance can be mild or severe, depending on how much lactase your body makes. Symptoms usually begin 30 minutes to 2 hours after eating or drinking milk or milk products. 1  Bloating. 2  Pain or cramps in the lower belly.  Gurgling or rumbling sounds in the lower belly.
Wintergreen is safe in the amounts found in foods, and seems safe for most adults when used as a medicine. The oil is UNSAFE to take by mouth. Taking wintergreen oil or large amounts of wintergreen leaf can cause ringing in the ears, nausea, vomiting, diarrhea, headache, stomach pain, and confusion.When applied directly to the skin, wintergreen oil can cause skin irritation.ome people use small doses of wintergreen oil to increase stomach juices and improve digestion. Wintergreen leaf is sometimes applied directly to the skin as a wash for achy joints (rheumatism), sore muscles, and lower back pain. Wintergreen oil is applied to the skin as a âcounterirritantâ to relieve muscle pain.
3 Ways to Use Essential Oils. 1  Aromatic: Aromatic is the process of breathing in the essential oil. 2  This can be done by using an essential oil diffuser, inhaling directly from the bottle or by adding a few drops to hands and cupping over nose and mouth.hey are listed below along with a brief description of each oil. 1  Wintergreen Essential Oil (Gaultheria procumbens) is similar to birch and has a cooling effect beneficial in massage for soothing head tension and muscles after exercising.