Effexor Side Effects

Effexor (venlafaxine) is an antidepressant prescription medication that is effective in treating long-term depression, anxiety, and panic disorders. It is classified as a selective serotonin and norepinephrine reuptake inhibitor (SSNRI), a class of drug that helps stabilize levels of these important chemicals of the brain when they are not in balance.

As with all prescription drugs, caution is advised and some common Effexor side effects to be aware of include dry mouth, altered sense of taste, loss of appetite and upset stomach, nausea, vomiting, and weight loss.

Decreased sexual desire and inability to function sexually are also common Effexor side effects, as are headaches, excess sweating, agitation, nervousness, dizziness, drowsiness, anxiety, insomnia, and blurred vision.

Some of the more severe Effexor side effects include allergic reactions (itching skin, rash, hives, difficulty breathing, feelings of tightness in the chest, and swelling in the face or mouth), bizarre behavior and confusion, decreased urination, fast or irregular heartbeat, extreme weight loss, and severe or persistent headaches.

Other dangerous Effexor side effects include severe and unusual mood swings; increased level of depression; aggressive or impulsive behavior; fever, chills, and other flu-like symptoms; panic attacks, severe anxiety, irritability, restlessness, or hostility; and persistent or severe ringing in the ears.

Thoughts of suicide should be taken very seriously and all precautions should be made to prevent any suicide attempts.

When taking a SSNRI, serotonin syndrome may develop, especially if the patient is taking other medications, too. Serotonin syndrome can cause confusion, hallucinations, and coma. It is sometimes fatal.

If any of these severe Effexor side effects should occur, the patient and / or his caretaker should seek immediate medical attention.

Women who are pregnant or nursing should avoid Effexor. Children and teenagers are at greater risk of experiencing severe adverse reactions to this medication and its use is best avoided.

Drinking alcohol and taking other prescription medications while undergoing treatment with Effexor can be very risky. Be sure to notify your physician of any other medications you are taking, including any monoamine oxidase inhibitors, St. John’s wort, or any other over-the-counter or herbal remedies.

Diet medications can trigger dangerous reactions when used in conjunction with Effexor so be sure to notify your prescribing physician or avoid them during treatment.

Med-Help is for informational purposes and should not be considered medical advice, diagnosis or treatment recommendations.

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