Riluzole Side Effects
What should I watch for?
Tell your doctor or health care professional if your symptoms do not start to get better or if they get worse.
If you smoke, tell your doctor if you notice this medicine is not working well for you. Talk to your doctor if you are a smoker or if you decide to stop smoking.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.
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:
bloody or cloudy urine
difficult, burning, or painful urination
fast, pounding, or irregular heartbeat or pulse
frequent urge to urinate
general feeling of discomfort or illness
loss of appetite
lower back or side pain
muscle aches and pains
persistent loss of appetite or weight loss
pounding in the ears
right upper quadrant tenderness
unusual tiredness or weakness
yellow eyes or skin
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:
Lack or loss of strength
dizziness or lightheadedness
excess air or gas in the stomach or bowels
feeling of constant movement of self or surroundings
rapid weight gain
sensation of spinning
skin rash, encrusted, scaly and oozing
sleepiness or unusual drowsiness
tingling of the hands or feet
unusual weight gain or loss
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.