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
Side effects are more likely to happen at doses greater than 500 mg per day.
- Sleepiness
- Headache
- Tremor (shakiness)
- Trouble speaking or slurred speech
- Feeling like your surroundings are spinning (vertigo)
- Confusion
- Memory problems
- Changes in mood, thoughts, or behaviors
Less Common Side Effects
- Skin rash
Cycloserine serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Seizures
- Heart failure: shortness of breath, swelling in the stomach or legs, sudden weight gain, tiredness, dizziness
- Allergic reaction: rash, hives, trouble breathing, swelling of the face
Source: DailyMed
The following Cycloserine 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:
More common
confusion
dizziness
drowsiness
increased irritability
increased restlessness
mental depression
muscle twitching or trembling
nervousness
nightmares
other mood or mental changes
speech problems
thoughts of suicide
Less common
Convulsions (seizures)
numbness, tingling, burning pain, or weakness in the hands or feet
skin rash
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
Headache
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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