here's the list of side effects
SIDE EFFECTS: Nausea, vomiting, lack of appetite, diarrhea, drowsiness, dizziness, trouble sleeping, dry mouth, muscle/joint pain, fatigue, or yawning may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Tell your doctor immediately if any of these serious side effects occur: changes in sexual ability/desire, increased sweating, persistent nausea/vomiting, uncontrolled movements (tremor), unusual or severe mental/mood changes, weight changes. Tell your doctor immediately if any of these unlikely but serious side effects occur: black stools, change in frequency of menstrual periods, "coffee-ground" vomit, confusion, easy bruising/bleeding, fast heartbeats, seizures, vision problems. Males: In the unlikely event you have a painful, prolonged erection (lasting more than 4 hours), stop using this drug and seek immediate medical attention or permanent problems could occur. A 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. If you notice other effects not listed above, contact your doctor or pharmacist.
it's possible that you could lower your dose or take it less frequently to ease any side effects. does it actually give you any relief from your health issues?