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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What are the side effects of Phenytoin?

yes i am currently taking phenytoin to control my seizures due to having tramatic brain injury i am taking 500 mg a day but i have not been taking the prescribed dose because the doctor has not got back with the refill what side effects can accur because i have not had my full dose
Wed, 20 Jul 2016
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General & Family Physician 's  Response
Hi,
Thanks for posting in HCM.
I understand your concern.
Phenytoin is an anti-epileptic medication which is administered to prevent occurrence of seizures (convulsions) by slowing down impulses in the brain.
Commonly encountered side effects which one needs to be aware of while taking this medication include: hepatic necrosis, depression, confusion, fatigue, enlarged gums, constipation, giddiness, ataxia, muscle weakness, hypertrichosis (increased hair growth), nervousness, tremor of hands, numbness, dizziness, drowsiness, tremor, irritability, excitement, mood changes and restlessness.
Any side effect which becomes bothersome or makes one intolerant should make you seek medical attention promptly.
Phenytoin is a known teratogen. Hence its intake during pregnancy causes congenital anomalies in growing infant.
Hope the information provided would be helpful.
All the best.
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What are the side effects of Phenytoin?

Hi, Thanks for posting in HCM. I understand your concern. Phenytoin is an anti-epileptic medication which is administered to prevent occurrence of seizures (convulsions) by slowing down impulses in the brain. Commonly encountered side effects which one needs to be aware of while taking this medication include: hepatic necrosis, depression, confusion, fatigue, enlarged gums, constipation, giddiness, ataxia, muscle weakness, hypertrichosis (increased hair growth), nervousness, tremor of hands, numbness, dizziness, drowsiness, tremor, irritability, excitement, mood changes and restlessness. Any side effect which becomes bothersome or makes one intolerant should make you seek medical attention promptly. Phenytoin is a known teratogen. Hence its intake during pregnancy causes congenital anomalies in growing infant. Hope the information provided would be helpful. All the best.