The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
Less Common Side Effects
- Dizziness
- Vomiting
- Dry mouth
- Joint pain
- Trouble sleeping
- Itching
- Fast heartbeat
Riluzole serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Liver problems: stomach pain, dark urine, yellowing of your skin or eyes
- Low white blood cells: getting infections, fevers, or sore throat often, feeling extremely tired
- Breathing problems: dry cough, fast or shallow breathing, shortness of breath
Source: DailyMed
The following Riluzole side effects have also been reported
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:
Less common
Bladder pain
bloody or cloudy urine
blurred vision
chills
dark urine
difficult, burning, or painful urination
fast, pounding, or irregular heartbeat or pulse
frequent urge to urinate
general feeling of discomfort or illness
headache
increased cough
itching skin
joint pain
loss of appetite
lower back or side pain
muscle aches and pains
nervousness
persistent loss of appetite or weight loss
pounding in the ears
right upper quadrant tenderness
shivering
slow heartbeat
trouble sleeping
unusual tiredness or weakness
vomiting
yellow eyes or skin
Incidence not known
Black, tarry, stools
decreased frequency or amount of urine
difficult breathing
increased thirst
pale skin
swelling of the face, fingers, or lower legs
ulcers, sores, or white spots in the mouth
unusual bleeding or bruising
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Agitation
back pain
bluish-colored lips, fingernails, or palms
blurred vision
coma
confusion
dark urine
difficulty breathing
dizziness or lightheadedness
drowsiness
headache
irritability
memory loss
pale skin
rapid heart rate
seeing, hearing, or feeling things that are not there
seizures
stiff neck
unusual bleeding or bruising
unusual tiredness or weakness
vomiting
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:
More common
Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
lack or loss of strength
Less common
Difficulty moving
dizziness or lightheadedness
excess air or gas in the stomach or bowels
feeling of constant movement of self or surroundings
full feeling
muscle stiffness
passing gas
rapid weight gain
sensation of spinning
skin rash, encrusted, scaly and oozing
sleepiness or unusual drowsiness
stomach pain
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.
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