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 a serious side effect such as:
- fast, slow, or uneven heart rate;
- feeling short of breath, even with mild exertion;
- swelling, rapid weight gain;
- dangerously high blood pressure (severe headache, buzzing in your ears, anxiety, confusion, chest pain);
- problems with your vision;
- eye swelling, redness, discomfort, or drainage (may be signs of infection);
- severe depression, changes in mood or behavior;
- seizure (convulsions); or
- muscle pain, tenderness, or weakness.
Less serious side effects may include:
- nausea, bloating, appetite changes;
- stomach or side pain;
- headache, sleep problems (insomnia);
- acne, scaling, or other skin changes;
- a wound that is slow to heal;
- thinning hair;
- bruising or swelling;
- sweating more than usual; or
- irregular menstrual periods.
