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:chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;slow or uneven heartbeats;feeling light-headed, fainting;feeling short of breath, even with mild exertion;swelling, rapid weight gain;dry mouth, increased thirst, drowsiness, restless feeling, confusion, nausea, vomiting, decreased urination, muscle pain or weakness, fast heart rate, feeling light-headed, fainting; nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);easy bruising or bleeding, unusual weakness;confusion, hallucinations; orcold feeling in your hands and feet.
Less serious side effects may include:
dizziness, tired feeling, depressed mood; dreaming more than usual;mild nausea, diarrhea, constipation, loss of appetite;headache, blurred vision, dry eyes;skin rash, itching; orimpotence, loss of interest in sex, or trouble having an orgasm.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.