Does this medication have side effects?
The following side effects are associated with Effexor XR Oral:
Common side effects:
| Disturbance in the Ability of the Eye to Focus | Severe |
| Blurred Vision | Severe |
| Problems with Eyesight | Severe |
| Head Pain | Severe |
| Sexual Problems | Severe |
| Nightmares | Less Severe |
| Inflammation of the Nose | Less Severe |
| Dry Mouth | Less Severe |
| Indigestion | Less Severe |
| Incomplete or Infrequent Bowel Movements | Less Severe |
| Drowsiness | Less Severe |
| Dizzy | Less Severe |
| Chronic Trouble Sleeping | Less Severe |
| Excessive Sweating | Less Severe |
| Chills | Less Severe |
| Involuntary Quivering | Less Severe |
| Taste Problems | Less Severe |
| Loss of Appetite | Less Severe |
| Weight Loss | Less Severe |
| Feel Like Throwing Up | Less Severe |
| Throwing Up | Less Severe |
| Gas | Less Severe |
| Diarrhea | Less Severe |
| Stomach Cramps | Less Severe |
| Nervous | Less Severe |
| Numbness and Tingling | Less Severe |
| Feeling Weak | Less Severe |
| Anxious | Less Severe |
Infrequent side effects:
| Feeling Restless | Severe |
| Depression | Severe |
| Ringing in the Ears | Severe |
| High Blood Pressure | Severe |
| Itching | Severe |
| Mental Impairment | Severe |
| Rash | Severe |
| Fast Heartbeat | Severe |
| Heart Throbbing or Pounding | Severe |
| Chest Pain | Severe |
| Difficult or Painful Urination | Severe |
| Cannot Empty Bladder | Severe |
| Frequent Urination | Severe |
| Confused | Severe |
| Mood Changes | Severe |
| Loss of One's Own Sense of Reality or Identity | Severe |
| Neck Pain | Less Severe |
| Twitching | Less Severe |
| Visible Water Retention | Less Severe |
| Weight Gain | Less Severe |
Rare side effects:
| Neuroleptic Malignant Syndrome | Severe |
| Serotonin Syndrome - Adverse Drug Interaction | Severe |
| Very Rapid Heartbeat - Torsades de Pointes | Severe |
| Prolonged Q-T Interval on EKG | Severe |
| Blood Pressure Drop Upon Standing | Severe |
| Hemorrhage of Blood Under the Skin | Severe |
| Sinus Irritation and Congestion | Severe |
| Interstitial Pneumonitis | Severe |
| Pneumonia with High Amount of Eosinophil White Blood Cells | Severe |
| Bleeding of the Stomach or Intestines | Severe |
| Enlarged Prostate | Severe |
| Problem with Periods | Severe |
| Toxic Epidermal Necrolysis | Severe |
| Stevens-Johnson Syndrome | Severe |
| Seizures | Severe |
| Lockjaw | Severe |
| Fluid Retention in the Legs, Feet, Arms or Hands | Severe |
| Trouble Breathing | Severe |
| Low Blood Sugar | Severe |
| High Cholesterol | Severe |
| Low Amount of Sodium in the Blood | Severe |
| Behaving with Excessive Cheerfulness and Activity | Severe |
| Mild Degree of Mania | Severe |
| Having Thoughts of Suicide | Severe |
| Migraine Headache | Less Severe |
| Dilated Pupil | Less Severe |
| Abnormally Acute Hearing or Painful Sensitivity to Sound | Less Severe |
| Widening of Blood Vessels | Less Severe |
| Bronchitis | Less Severe |
| Inability to have an Erection | Less Severe |
| Inflammation or Infection of Vagina | Less Severe |
| Bleeding Not Related to Menstrual Period | Less Severe |
| Abnormal Increase in Muscle Tone | Less Severe |
| Sensation of Spinning or Whirling | Less Severe |
| Flu-Like Symptoms | Less Severe |
| Uncoordinated | Less Severe |
| Nosebleed | Less Severe |
| Burping | Less Severe |
| Elevation of Proteins in the Urine | Less Severe |
| Abnormal Liver Function Tests | Less Severe |
| Increased Levels of Prolactin in the Blood | Less Severe |
| Altered Interest in Having Sexual Intercourse | Less Severe |
| Problem with Ejaculation | Less Severe |
