Chlorphenesin Side Effects
Medically reviewed by Drugs.com. Last updated on Nov 28, 2023.
Applies to chlorphenesin: oral tablet.
Important warnings
This medicine can cause some serious health issues
Chlorphenesin is not commercially available in the United States.
Use caution when driving, operating machinery, or performing other hazardous activities.
Chlorphenesin may cause dizziness or drowsiness.
If you experience dizziness or drowsiness, avoid these activities.
Use alcohol cautiously.
Alcohol may increase drowsiness and dizziness while you are taking chlorphenesin.
Stop taking chlorphenesin and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).
Other, less serious side effects may be more likely to occur. Continue to take chlorphenesin and talk to your doctor if you experience
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drowsiness, dizziness, or confusion;
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headache;
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nervousness or insomnia; or
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nausea or upset stomach.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
More about chlorphenesin
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Further information
Chlorphenesin side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.
