Additional Information

Once a drug has been approved for marketing for a certain use, experience may show that it is also useful for other medical problems. Although these uses are not included in product labeling, phenytoin is using in certain diseaseds with the following medical conditions:

• Cardiac arrhythmias - changes in your heart rhythm causing by digitalis drug
• Myotonia congenita
• Myotonic muscular dystrophy
• Neuromyotonia - certain muscle disorders
• Paroxysmal choreoathetosis - certain movement disorders
• Tricyclic antidepressant poisoning
• Trigeminal neuralgia - tic douloureux

Other than the above information, there is no additional information relating to How to Use, precautions, or side effects for these uses.