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Effexor XR and Alcohol/Food Interactions

There are 2 alcohol/food/lifestyle interactions with Effexor XR (venlafaxine).


venlafaxine food

Moderate Food Interaction

Alcohol can increase the nervous system side effects of venlafaxine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with venlafaxine. Do not use more than the recommended dose of venlafaxine, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.

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High Blood Pressure (Hypertension)

Moderate Potential Hazard, Moderate plausibility

SNRI antidepressants - hypertension

Selective serotonin and norepinephrine reuptake inhibitor antidepressants (SNRIs) have been associated with sustained increases in blood pressure. Therapy with SNRI antidepressants should be administered cautiously in patients with preexisting hypertension. Blood pressure should be assessed prior to initiating treatment and monitored regularly. The dose should be reduced or discontinued if necessary.


  1. "Product Information. Effexor (venlafaxine)." Wyeth-Ayerst Laboratories (2001):
  2. "Product Information. Cymbalta (duloxetine)." Lilly, Eli and Company (2004):
  3. "Product Information. Pristiq (desvenlafaxine)." Wyeth Laboratories (2008):
  4. "Product Information. Savella (milnacipran)." Forest Pharmaceuticals (2009):
  5. "Product Information. Fetzima (levomilnacipran)." Forest Pharmaceuticals (2013):
View all 5 references

Effexor XR drug interactions

There are 664 drug interactions with Effexor XR (venlafaxine).

Effexor XR disease interactions

There are 11 disease interactions with Effexor XR (venlafaxine) which include:

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.