What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. The full effect of this medicine may not be seen right away.
This medicine may affect your concentration, function, or may hide signs that you are tired. You may get dizzy. This medicine will not eliminate your abnormal tendency to fall asleep and is not a replacement for sleep. Do not change your previous behavior regarding potentially dangerous activities, such as driving, using machinery, or doing anything that needs mental alertness until you know how this drug affects you. Alcohol can make you more dizzy and may interfere with your response to this medicine or your alertness. Avoid alcoholic drinks.
Birth control pills may not work properly while you are taking this medicine. While using birth control pills, you will need an additional barrier method or an alternative non-hormonal method of birth control during treatment with armodafinil and for 1 month after stopping armodafinil. Talk to your doctor about which extra method of birth control is right for you.
It is unknown if the effects of this medicine will be increased by the use of caffeine. Caffeine is found in many foods, beverages, and medications. Ask your doctor if you should limit or change your intake of caffeine-containing products while on this medicine.
Do not stop previously prescribed treatments for your condition, such as a CPAP machine, except on the advise of your physician or health care professional.
Common and Rare Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Blistering, burning, crusting, dryness, or flaking of the skin
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
difficult or labored breathing
fast, irregular, pounding, or racing heartbeat or pulse
headache, severe and throbbing
increased volume of pale, dilute urine
itching, scaling, severe redness, soreness, or swelling of the skin
shakiness in the legs, arms, hands, or feet
tightness in the chest
trembling or shaking of the hands or feet
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
chest pain or discomfort
confusion about identity, place, and time
lightheadedness, dizziness, or fainting
pounding in the ears
seeing, hearing, or feeling things that are not there
unusual tiredness or weakness
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Acid or sour stomach
difficulty having a bowel movement (stool)
feeling sad or empty
general feeling of discomfort or illness
loss of appetite
loss of interest or pleasure
mood or mental changes
muscle aches and pains
stomach discomfort, upset, or pain
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.