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Most of your symptoms relate to side effects of Sertraline. Dry mouth, generalized muscle pains, lightheadedness and confusion or feeling spaced out are all known side effects of Sertraline.
Palpitations are also a common side effect of this drug.
So, it will be best to discuss this with your Doctor so that a dose adjustment or drug substitution is considered, especially, if these symptoms are impairing your daily routine, since you still seem to have depression and significant alcohol consumption, it is vital to note here that the Sertraline may not be fulfilling its purpose and only causing side effects, so a drug substitution should be seriously considered.
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Okay, side effects can occur at any point in time while being on a medication.
I don't want to rule out alcohol and your ongoing depression as a factor that is adding to your symptoms but the first cause that should be eliminated is the medication that you are on.
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