your Can Seroquel Caus Birth Defects any questions you have about this medication, especially if it is new to you. What other drugs will affect fluoxetine? Talk to your doctor before taking any medicine Can Seroquel Caus Birth Defects pain, arthritis, fever, or swelling. This is not a complete list of side effects and Can Seroquel Caus Birth Defects may occur. It may take 4 weeks or longer before you start feeling better. Do not give fluoxetine to anyone younger than 18 years old without a doctor's advice. Do not use this medication without telling your doctor if you are Can Seroquel Caus Birth Defects a baby. Fluoxetine is used to treat major depressive disorder, bulimia nervosa (an eating disorder) obsessive-compulsive disorder, panic disorder, and premenstrual dysphoric disorder (PMDD). Lithium There have been reports of both increased and decreased lithium levels when lithium was used concomitantly with fluoxetin Cases of lithium toxicity and increased. is the missed prozac dose of Prozac before.