Learn more about usage, cautions, and possible side effects .
Chemical Name: MODAFINIL (moe-DAF-i-nil)
This medicine is an anti-narcoleptic agent used to improve wakefulness in patients with narcolepsy (sudden uncontrollable attacks of daytime sleepiness), obstructive sleep apnea/hypopnea syndrome, or in patients with shift work sleep disorder. It may also be used to treat other conditions as determined by your doctor.
Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking anticoagulants (such as warfarin), azole antifungals (such as ketoconazole, itraconazole), benzodiazepines (such as diazepam), carbamazepine, cyclosporine, hormonal contraceptives (such as birth control pills), hydantoins (such as phenytoin), monoamine oxidase inhibitors (such as phenelzine), phenobarbital, prazosin, propranolol, rifampin, or tricyclic antidepressants (such as amitriptyline). DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions, including cirrhosis, liver problems, kidney problems, heart problems (such as chest pain, recent heart attack, mitral valve prolapse, enlarged ventricle), high blood pressure, allergies, pregnancy, or breast-feeding. INFORM YOUR DOCTOR if you have a history of alcohol or other substance abuse, suicidal thoughts or actions, or other mood or mental problems (such as psychosis, depression, bipolar disorder). USE OF THIS MEDICINE IS NOT RECOMMENDED if you have a history of enlarged left ventricle of the heart (left ventricular hypertrophy). Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.
Follow the directions for using this medicine provided by your doctor. An additional patient information leaflet is available with this medicine. Ask your doctor, nurse, or pharmacist any questions that you may have about this information. Take this medicine in the morning unless otherwise directed by your doctor. This medicine may be taken on an empty stomach or with food. STORE THIS MEDICINE at room temperature between 68 and 77 degrees F (20 and 25 degrees C) in a tightly-closed container, away from heat and light. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If you do not remember until late afternoon or evening, skip the missed dose and go back to your regular dosing schedule. Do NOT take 2 doses at once.
DO NOT TAKE THIS MEDICINE if you have had an allergic reaction to it, to any ingredient in this product, or to any similar medicine (such as armodafinil). IF YOU EXPERIENCE difficulty breathing; tightness of chest; swelling of eyelids, face, or lips; or if you develop a rash or hives, tell your doctor immediately. Do not take any more doses of this medicine unless your doctor tells you to do so. THIS MEDICINE CANNOT CURE SLEEP DISORDERS and it may not stop all of your sleepiness. Do not change your daily habits without first talking to your doctor. Discuss your level of sleepiness with your doctor at each visit. Do not use this medicine in place of getting enough sleep. Follow your doctor's instructions for good sleep habits and using other treatments. DO NOT EXCEED THE RECOMMENDED DOSE or take this medicine for longer than prescribed. Exceeding the recommended dose or taking this medicine for longer than prescribed may be habit-forming. Laboratory and/or medical tests, including blood pressure checks may be performed to monitor your progress or to check for side effects. KEEP ALL DOCTOR AND LABORATORY APPOINTMENTS while you are taking this medicine. This medicine may cause dizziness or blurred vision. DO NOT DRIVE, OPERATE MACHINERY, OR DO ANYTHING ELSE THAT COULD BE DANGEROUS until you know how you react to this medicine. Using this medicine alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. DO NOT DRINK ALCOHOL while you are using this medicine. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. CAUTION IS ADVISED WHEN USING THIS MEDICINE IN THE ELDERLY because they may be more sensitive to the effects of the medicine. FOR WOMEN TAKING BIRTH CONTROL PILLS, this medicine may decrease the effectiveness of your birth control pills. To prevent pregnancy, use an additional form of birth control while you are taking this medicine and for 1 month after stopping this medicine. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS MEDICINE IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby.
SIDE EFFECTS that may occur while taking this medicine include back pain, diarrhea, dizziness, headache, nausea, nervousness, stomach upset, stuffy nose, or trouble sleeping. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience abnormal thinking; chest pain; confusion; dark urine; fever, chills, or sore throat; irregular heartbeat; mental or mood changes (such as unusual anxiety, delusions, depression, hallucinations); red, blistered, swollen, or peeling skin; suicidal thoughts or actions; unusual bruising or bleeding; unusual weakness; or yellowing of the eyes or skin. CONTACT YOUR DOCTOR IMMEDIATELY if you experience difficulty swallowing or breathing; hoarseness; shortness of breath; swelling of your hands, legs, face, lips, eyes, throat, or tongue; or sores in the mouth. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your healthcare provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose include fast heartbeat, trouble sleeping, agitation, and restlessness.
If your symptoms do not improve or if they become worse, check with your doctor. DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS PRODUCT out of the reach of children and pets. IF USING THIS MEDICINE FOR AN EXTENDED PERIOD OF TIME, obtain refills before your supply runs out.
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