Before you start treatment with Otezla, be sure to inform your doctor of:, All the medications you take, Your allergies, Your medical history and current medical conditions, Your pregnancy or breastfeeding status, Otezla can cause allergic reactions that may be severe. Seek emergency care immediately if you have a rash, a rapid heart rate, trouble breathing, or swelling of your face, lips, tongue, or throat., Otezla can cause diarrhea, nausea, and vomiting., Otezla can cause mood changes, including depression and suicidal thoughts. Patients, their families, or their caregivers should report any mood changes to the patient's doctor., Otezla can cause weight loss. You should monitor your weight regularly., Taking Otezla with strong cytochrome P450 enzyme inducers can cause the medication not to work as well. Ask your doctor if you are unsure whether or not you take cytochrome P450 enzyme inducers. All the medications you take, Your allergies, Your medical history and current medical conditions, Your pregnancy or breastfeeding status