Zinc is a nutritional supplement utilized to prevent or treat low levels of zinc in the body. This mineral helps support the body's immune system, metabolism and normal growth and development. Maintaining a healthy diet that includes foods such as nuts, whole grains, red meat and certain types of seafood can help ensure the body receives adequate amounts of zinc. People who need to take this nutritional supplement should discuss the side effects of taking zinc with a medical professional.
Upset Stomach
After taking a dose of zinc, certain people may experience upset stomach side effects. These effects may include nausea or vomiting, which can contribute to a temporary decrease in appetite. Urgent or frequent loose bowel movements, called diarrhea, may also occur as a side effect of zinc treatment, according to MedlinePlus.
Oral or Throat Ulcers
Persistent oral or throat ulcers may arise following treatment with zinc, MayoClinic.com reports. These oral lesions can be uncomfortable and may contribute to difficulty swallowing, sore throat or diminished appetite.
Flu-like Symptoms
Zinc may cause flu-like side effect, such as fever, chills or sore throat, in certain people. Abnormal sensations of weakness or fatigue may also develop, Drugs.com warns, which may make it difficult for people to participate in their normal daily activities.
Overdose
People who take unusually large doses of zinc may experience overdose side effects. High levels of zinc in the blood may cause vomiting, breathing difficulties, dizziness, chest discomfort, yellow skin discoloration and loss of consciousness. Certain people may also experience abdominal cramping or headache, the National Institutes of Health Office of Dietary Supplements reports. People who exhibit these side effects while taking zinc should receive immediate care from a medical professional.
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