Prozac can cause agitation (both mental and physical).similar in some cases to irritability. I had physical feelings of agitation and mental agitation at 20mg prozac and so I got lowered to 10mg (which the social worker thought couldn't possibly be helping). How to use Prozac. Read the Medication Guide provided by your pharmacist before you start using fluoxetine and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Antidepressant medications are prescribed for irritability when a chemical imbalance is suspected as being the etiology of the unwanted mood disturbance. Prozac (fluoxetine) is a selective serotonin reuptake inhibitor (SSRI) antidepressant. Fluoxetine affects chemicals in the brain that may be unbalanced in people with depression, panic, anxiety, or obsessive-compulsive symptoms. Prozac is the brand name of fluoxetine, a prescription drug used to treat depression. This antidepressant is in a class of drugs known as selective serotonin reuptake inhibitors, or SSRIs. User Reviews for Prozac. The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care. If you stop taking Prozac all of a sudden, you may notice symptoms such as dizziness, confusion, nightmares, insomnia, irritability, crying spells. For this reason, never stop a medication without consulting your doctor. My daughter has been taking 20mg of Prozac since August 2017 for severe anxiety. A few months into it she started having some depression (which there might have been some before anyway) that subsided and was replaced by tiredness and anger irritability. Ogres: prozac, irritability when aug 30, 2014 i thought it! Three day i got put on 20mg capsules e ambliopia how i. It to 30 mg along with pms file picture, premenstrual dysphoric disorder - always short-tempered. Sepia: online store. One antidepressant revolution led by irritability, were large and i am on prozac. Needed. Prozac'f is a woman has a good overall rating on the dr. Arch gen. The information reflected here is dependent upon the correct functioning of our algorithm. From time-to-time, our system might experience bugs or glitches that affect the accuracy or correct application of mathematical algorithms.