Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects:
* fast, pounding, or uneven heart rate;
* chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
* sudden numbness or weakness, especially on one side of the body;
* sudden headache, confusion, problems with vision, speech, or balance;
* confusion, hallucinations, or seizure (convulsions);
* easy bruising or bleeding, unusual weakness;
* restless muscle movements in your eyes, tongue, jaw, or neck;
* tremors;
* extreme thirst with headache, nausea, vomiting, and weakness;
* feeling light-headed or fainting; or
* urinating less than usual or not at all.
Less serious side effects may be more likely to occur, such as:
* nausea, vomiting, stomach pain, loss of appetite;
* constipation or diarrhea;
* weight changes;
* dry mouth, unpleasant taste;
* weakness, lack of coordination;
* numbness or tingly feeling;
* feeling anxious or restless;
* sleep problems (insomnia), nightmares;
* blurred vision, headache, ringing in your ears;
* mild skin rash;
* breast swelling (in men or women); or
* increased sweating.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
