Venlafaxine XR for about 8 days and forgot to take it on the weekend,
Patient : Hi, I have been taking Venlafaxine XR for about 8 days and forgot to take it on the weekend, then again the next day. I have had severe headaches for the past 48 hours and then again today. My doctor has said it could be withdrawals from not taking the medication. I was just wondering how long the withdrawal process takes?
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