15 symptoms that may occur
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Headache
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Dizziness
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Nausea
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Constipation
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Diarrhea
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Indigestion or stomach discomfort
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Gas/bloating
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Muscle aches
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Muscle cramps
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Joint or back pain
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Unusual tiredness or weakness
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Sleep problems
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Runny or blocked nose
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Changes in liver enzymes on blood testing
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Memory problems or confusion — reported, but not a common effect
