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>> Side Effects
CAS Registry Number 79559-97-0
Nausea, dizziness, dry mouth, loss of appetite, increased sweating,
drowsiness, diarrhea, upset stomach, or trouble sleeping may occur. If any
of these effects persist or worsen, notify your doctor or pharmacist
Remember that your doctor has prescribed this medication because he or she
has judged that the benefit to you is greater than the risk of side effects.
Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious side
effects occur: unusual or severe mental/mood changes (e.g., agitation,
nervousness, suicidal thoughts), decrease in sexual ability (ejaculation
delay), decreased interest in sex, uncontrollable shaking (tremor), unusual
Tell your doctor immediately if any of these highly unlikely but very
serious side effects occur: easy bruising/bleeding, persistent
nausea/vomiting, severe stomach/abdominal pain, black stools, seizures,
change in the amount of urine, dark urine, vomit that looks like coffee
grounds, yellowing eyes/skin.
This medication may rarely cause a very serious condition called serotonin
syndrome. The risk increases when this medication is used with certain other
drugs such as "triptans" used to treat migraine headaches (e.g., sumatriptan,
eletriptan), certain antidepressants including other SSRIs (e.g., citalopram,
paroxetine) and SNRIs (e.g., duloxetine, venlafaxine), lithium, tramadol,
tryptophan, or a certain drug to treat obesity (sibutramine). Before taking
this drug, tell your doctor if you take any of these medications. Serotonin
syndrome may be more likely when you start or increase the dose of any of
these medications. Seek immediate medical attention if you develop some of
the following symptoms: hallucinations, unusual restlessness, loss of
coordination, fast heartbeat, severe dizziness, unexplained fever, severe
nausea/vomiting/diarrhea, twitchy muscles.
For males, in the very unlikely event you have a painful or prolonged
erection lasting 4 or more hours, stop using this drug and seek immediate
medical attention, or permanent problems could occur.
A very serious allergic reaction to this drug is unlikely, but seek
immediate medical attention if it occurs. Symptoms of a serious allergic
reaction may include: rash, itching, swelling, severe dizziness, trouble