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Effexor XR Patient Information including If I Miss a Dose
In this Article
- What is venlafaxine (Effexor XR)?
- What are the possible side effects of venlafaxine (Effexor XR)?
- What is the most important information I should know about venlafaxine (Effexor XR)?
- What should I discuss with my healthcare provider before taking venlafaxine (Effexor XR)?
- How should I take venlafaxine (Effexor XR)?
- What happens if I miss a dose (Effexor XR)?
- What happens if I overdose (Effexor XR)?
- What should I avoid while taking venlafaxine (Effexor XR)?
- What other drugs will affect venlafaxine (Effexor XR)?
- Where can I get more information?
What happens if I miss a dose (Effexor XR)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Effexor XR)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include vomiting, fast heart rate, blurred vision, extreme drowsiness, or seizure (convulsions).
What should I avoid while taking venlafaxine (Effexor XR)?
Avoid drinking alcohol, which can increase some of the side effects of venlafaxine.
Venlafaxine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
What other drugs will affect venlafaxine (Effexor XR)?
Before using venlafaxine, tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures or anxiety). They can add to sleepiness caused by venlafaxine.
Ask your doctor before taking a nonsteroidal anti-inflammatory drug (NSAID) for pain, arthritis, fever, or swelling. This includes aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve, Naprosyn, Naprelan, Treximet), celecoxib (Celebrex), diclofenac (Arthrotec, Cambia, Cataflam, Voltaren, Flector Patch, Pennsaid, Solareze), indomethacin (Indocin), meloxicam (Mobic), and others. Using an NSAID with venlafaxine may cause you to bruise or bleed easily.
Tell your doctor about all other medications you use, especially:
- cimetidine (Tagamet, Tagamet HB);
- ketoconazole (Nizoral);
- linezolid (Zyvox);
- lithium (Eskalith, LithoBid);
- haloperidol (Haldol) or risperidone (Risperdal);
- tramadol (Ultram, Ultracet);
- tryptophan (sometimes called L-tryptophan);
- warfarin (Coumadin, Jantoven);
- almotriptan (Axert), frovatriptan (Frova), sumatriptan (Imitrex), naratriptan (Amerge), rizatriptan (Maxalt), or zolmitriptan (Zomig); or
- any other antidepressant.
This list is not complete and there are many other drugs that can interact with venlafaxine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about venlafaxine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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Additional Effexor XR Information
- Effexor XR Drug Interactions Center: venlafaxine oral
- Effexor XR Side Effects Center
- Effexor XR Overview including Precautions
- Effexor XR FDA Approved Prescribing Information including Dosage
Effexor XR - User Reviews
Effexor XR User Reviews
Now you can gain knowledge and insight about a drug treatment with Patient Discussions.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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