how long does it take for prozac to work

If you become pregnant while you are on fluoxetine, you should carry on taking the medicine and go back to your doctor as soon as possible, to see if you should change or stop your medicine. Talk to your doctor about this if it is a problem for you.

Tell the doctor everything that you have taken.įluoxetine can produce a false positive test for amfetamines and LSD on a urine drug screen.

You need to go to hospital if this happens. You could get a high temperature/fever, agitation, confusion, trembling or weird muscle movements. Taking fluoxetine with cocaine, ecstasy or amfetamines could bring on serotonin syndrome. Methadone and fluoxetine together can seriously affect your heart so these should only be combined under doctor supervision.įluoxetine has been shown to dampen down the 'high' of cocaine. For more information, have a look at our drugs and alcohol page. This could be dangerous if you drive or use machines or do anything that needs a lot of focus.ĭuring the first few days, it might be best to stop drinking alcohol until you see how the medicine affects you, or until the effects pass.īe careful if you are also using street drugs.Ĭannabis can have unpredictable effects when taken with fluoxetine, so great care is needed.Ĭannabis and other drugs may have their own side effects on your mental health, like anxiety or psychosis. Side effects might make you sleepy or you might lose your focus when you first start taking fluoxetine.

Fluoxetine can sometimes cause drowsiness as a side effect, so it is possible that alcohol might make you feel more drowsy than usual.ĭrinking alcohol every day, however, can make the symptoms of depression worse and you will not feel the benefit of your medicine. You can continue to drink some alcohol while taking fluoxetine, but it is best to do so in moderation.

How long does it take for prozac to work