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Those charged oxygen atoms can harm the lungs. They carry energy and, since it is oxygen, readily participate in lots of biochemical reactions. Those reactions aren't always beneficial. In extreme cases, they can enlarge the odds of lung and skin cancer. For some, asthma symptoms can be worsened by exposure to full-size amounts of ozone. ... read more
In some cases, food allergy reactions are localized. Fresh fruits and vegetables cause some to experience tingling in the mouth. The cause is thought to be proteins similar to those unearthed in ragweed pollen. "Antihistamines like Benadryl (diphenhydramine) are beneficial. A topical hydrocortisone cream can help, furthermore. In more severe cases, it will be desirable to have handy an EpiPen or similar device. They allow patients to inject a controlled degree of epinephrine to treat anaphylaxis symptoms. They're not for everyone, on the other hand. Consult your physician initially."

severe allergic reactions - allergy to bite outside of ear