O 0, 3. "Product Information. Dista Products Company, Indianapolis, IN. Anxious Feelings 4. Side Effects What are the side effects of Prozac (Fluoxetine)?. Flu-Like Symptoms 12. [Ref], Very common (10% or more): Nausea (up to 29%), diarrhea (up to 18%), dry mouth (up to 12%), Common (1% to 10%): Abdominal pain, constipation, dyspepsia, flatulence, gastrointestinal disorder, vomiting, Uncommon (0.1% to 1%): Aphthous stomatitis, buccoglossal syndrome, colitis, dysphagia, eructation, esophagitis, gastritis, gastroenteritis, gastrointestinal (GI) hemorrhage, glossitis, gum hemorrhage, hyperchlorhydria, increased salivation, melena, mouth ulceration, stomach ulcer, stomatitis, Rare (less than 0.1%): Acute abdominal syndrome, bloody diarrhea, duodenal ulcer, enteritis, esophageal pain, esophageal ulcer, fecal incontinence, hematemesis, intestinal obstruction, pancreatitis, peptic ulcer, salivary gland enlargement, stomach ulcer hemorrhage, tongue edema, Frequency not reported: Anal/esophageal/gastric/upper and lower GI/hemorrhoidal/peritoneal/rectal hemorrhage, bleeding esophageal varices, enterocolitis, esophageal/duodenal/gastric ulcer hemorrhage, GI bleeding, gingival/mouth bleeding, hematochezia, hemorrhagic diarrhea/diverticulitis/gastritis, intraabdominal hemorrhage[Ref], Very common (10% or more): Rhinitis (up to 23%), pharyngitis (up to 11%), yawn/yawning (up to 11%), Uncommon (0.1% to 1%): Asthma, dyspnea, hiccup, hyperventilation, Rare (less than 0.1%): Apnea, atelectasis, decreased cough, emphysema, hemoptysis, hypoventilation, hypoxia, larynx edema, lung edema, pneumothorax, pulmonary events (inflammatory processes of varying histopathology and/or fibrosis), stridor, Frequency not reported: Increased cough, interstitial lung disease, pneumonitis, Postmarketing reports: Eosinophilic pneumonia, pulmonary embolism, pulmonary hypertension[Ref]. The estimates of the incidence of untoward sexual experience and performance may underestimate their actual incidence, partly because patients and physicians may be reluctant to discuss this issue. Decreased Appetite 5. Although not all of these side effects may occur, if they do occur they may need medical attention. If you have been taking fluoxetine 20mg for five years continuously and are now increasing your dose to 40mg, mostly likely you will experience very mild side effects, if any at all. Applies to fluoxetine: oral capsule, oral capsule delayed release, oral solution, oral syrup, oral tablet, Oral route (Capsule; Capsule, Delayed Release). Drowsiness 9. An increased risk of suicidal thinking and behavior in children, adolescents, and young adults (aged 18 to 24 years) with major depressive disorder (MDD) and other psychiatric disorders has been reported with short-term use of antidepressant drugs. [Ref], Potentially life-threatening serotonin syndrome has been reported with SSRIs and SNRIs as monotherapy, but particularly with concomitant use of other serotonergic drugs and drugs that impair the metabolism of serotonin. Last updated on Aug 13, 2020. Talk to your doctor or mental health professional about any side effects you're having. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Common side effects … Sexual side effects… Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin … Diarrhea 6. What are the possible side effects of fluoxetine? 2. Muscle Tremors 17. Muscle Tremors 17. [Ref], A study of 26,005 antidepressant users has reported 3.6 times more upper GI bleeding episodes with the use of SSRIs relative to the population who did not receive antidepressant medications. 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