Drug Interactions With Venlafaxine XR
Venlafaxine XR and Serotonin Syndrome
Several of the known interactions with venlafaxine XR are related to a potentially dangerous group of symptoms known as serotonin syndrome. Such symptoms might include:
- Fast heartbeat
- Feeling faint
- Muscle spasm
- Difficulty walking
Interactions With Venlafaxine XR Explained
The following sections explain in detail the potentially negative interactions that can occur when venlafaxine XR is combined with any of the drugs listed above.
It is not recommended that you drink alcohol while taking venlafaxine XR. Combining alcohol and venlafaxine XR may cause unwanted side effects (see Alcohol and Effexor XR).
Combining venlafaxine XR with anticoagulant or antiplatelet medications (commonly known as blood thinners) may increase the risk of bleeding. Check with your healthcare provider before taking such medications with venlafaxine XR.
Because combining venlafaxine XR with buspirone may increase the risk of serotonin syndrome, check with your healthcare provider before taking these medications together.