http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0000947#a694020-sideEffects
What side effects can this medication cause?
Venlafaxine may cause side effects. Call your doctor if any of the following symptoms are severe or do not go away:
-
drowsiness -
weakness or tiredness -
dizziness -
headache -
nightmares -
nausea -
vomiting -
stomach pain -
constipation -
diarrhea -
gas -
heartburn -
burping -
dry mouth -
change in ability to taste food -
loss of appetite -
weight loss -
uncontrollable shaking of a part of the body -
pain, burning, numbness, or tingling in part of the body -
muscle tightness -
twitching -
yawning -
sweating -
hot flashes or flushing -
frequent urination -
difficulty urinating -
sore throat, chills, or other signs of infection -
ringing in the ears -
changes in sexual desire or ability -
enlarged pupils (black circles in the middle of the eyes)
Some side effects can be serious. If you experience any of the following symptoms or those listed in the IMPORTANT WARNING section, call your doctor immediately:
-
rash -
hives -
itching -
difficulty breathing or swallowing -
chest pain -
fast, pounding, or irregular heartbeat -
seizures -
unusual bruising or bleeding -
small purple spots on the skin -
eye pain or redness -
changes in vision -
fever, sweating, confusion, fast or irregular heartbeat, and severe muscle stiffness -
fever -
problems with coordination -
hallucinations (seeing things or hearing voices that do not exist) -
coma (loss of consciousness for a period of time)
Venlafaxine may slow growth and weight gain in children. If your child is taking venlafaxine, your child's doctor will watch your child's growth carefully. Talk to your child's doctor about the risks of giving venlafaxine to your child.
Venlafaxine may cause other side effects. Call your doctor if you have any unusual problems while you are taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at http://www.fda.gov/Safety/MedWatch] or by phone [1-800-332-1088].
What storage conditions are needed for this medicine?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of emergency/overdose
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Symptoms of overdose may include:
-
dizziness -
nausea -
vomiting -
burning, tingling, or numbness of the hands and feet -
increased size of the pupil (black center of the eye) -
muscle pain -
hot and cold spells -
sleepiness -
seizures -
fast, slow, or irregular heartbeat -
coma (loss of consciousness for a period of time)
What other information should I know?
Keep all appointments with your doctor and the laboratory. Your doctor will check your blood pressure often and order certain lab tests to check your response to venlafaxine.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Brand names
Effexor®
Effexor® XR
Sheesh! I hope this doesn't actually happen to you!!!!!
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