Drowsiness, dizziness, headache, abdominal discomfort, nausea, vomiting, diarrhea and constipation may occur. If any of these effects persist or worsen, notify the doctor or pharmacist promptly.
Remember that the doctor has prescribed this medication because he or she has judged that the benefit is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell the doctor immediately if any of these unlikely but serious side effects occur: mental/mood changes (e.g., fussiness, nervousness, confusion, depression, hallucinations), vision changes (e.g., blurred vision).
Tell the doctor immediately if any of these rare but very serious side effects occur: easy bleeding/bruising, severe tiredness, fast/slow/irregular heartbeat, signs of infection (e.g., fever, persistent sore throat, cough), severe stomach/abdominal pain, dark urine, yellowing eyes/skin.
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact the doctor or pharmacist.