Effexor (venlafaxine) side effects and withdrawal problems

Common side effects of
Effexor (venlafaxine) are:

• Headarche,
• weakness,
• loss of appetite,
• weight gain or weight loss,
• stomach pains,
• sweating,
• dizziness,
• sleep problems,
• nightmares,
• tiredness,
• trembling,
• confusion,
• stiffness in the body,
• anxiety,
• nervousness,
• heartburn,
• nausea,
• constipation,
• dry mouth,
• skin blemishes,
• yawning,
• increased cholesterol level in the blood,
• sexual problems or
• loss of sex interest,
• urination problems,
• increased blood pressure,
• fainting when you rise rapidly,
• faster heart rate,
• difficulty reading small print,
• other sight problems.

If you have been using Effexor and stop using it, you can get short-term or long-term withdrawal symptoms such as:

• Dizziness,
• sensory problems,
• feeling
• like ants are crawling on your skin,
• sleeping problems,
• nightmares,
• anxiety,
• headaches.