Some of these side effects may occur when taking this medication; they are as follows; Headache, dizziness, lightheadedness, nausea, and flushing may occur as your body adjusts to this medication. However if any of these effects persist or worsen, contact your doctor right away.
Headache is often a sign that this medication is working. Your doctor may recommend treating headaches with an over-the-counter pain reliever (such as acetaminophen, aspirin). If the headaches continue or become severe, tell your doctor promptly.
Tell your doctor right away if any of these unlikely but serious side effects occur: fainting, fast/irregular/pounding heartbeat.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.