what is wintergreen
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 âcounterirritantâ to relieve muscle pain.