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Phenytal is a commercial drug that is prescribed in the form of Tablet. Epilepsy, Seizures are some of its major therapeutic uses. Other than this, Phenytal has some other therapeutic uses, which have been discussed ahead.
The right dosage of Phenytal depends on the age, gender, and medical history of the patient. Besides the medical condition it is advised for, the route of administration also plays an important role in determining the correct drug dosage. Detailed information has been provided in the dosage section.
The most common side effects of Phenytal are Vertigo, Double Vision. While these are the most often observed Phenytal side effects, there are can be others also. These have been listed below. These side effects of Phenytal are usually temporary and subside with the completion of treatment. However, if these continue for a longer time, consult your doctor right away.
Furthermore, you should know that effect of Phenytal is Severe for pregnant women and Moderate for women who are breastfeeding. In addition, Phenytal's effects on the liver, heart and kidney are discussed below in the Phenytal related warnings section.
Phenytal is not recommended if you suffer from certain medical conditions as it can have adverse effects. Bradycardia (Slow Heart Rate), Respiratory Depression, Liver Disease are examples of such conditions. The section on Phenytal contraindications lists all such conditions.
Drug interactions for Phenytal have been reported in the medical literature. See below for a complete list.
In addition to these precautions, you may also note that Phenytal is not safe while driving, and is is not addictive in nature.
Phenytal is used to treat the following -
Other Benefits
This is the usual dosage recommended in most common treatment cases. Please remember that every patient and their case is different, so the dosage can be different based on the disease, route of administration, patient's age and medical history.
Find the right dosage based on disease and age
Age Group | Dosage |
Is the use of Phenytal safe for pregnant women?
Phenytal shows severe side effect on pregnant women. For this reason, pregnant women should only take it after taking medical advice.
Is the use of Phenytal safe during breastfeeding?
Phenytal can cause moderate side effects on breastfeeding women. If you feel its side effects, then stop taking this drug and consult your doctor. Take this medicine again only if your doctor advises to do so.
What is the effect of Phenytal on the Kidneys?
Very few cases of side effects of Phenytal on kidney have been reported.
What is the effect of Phenytal on the Liver?
Phenytal may have mild side effects on the liver. Most people will never see any effect on the liver.
What is the effect of Phenytal on the Heart?
Side effects of Phenytal rarely affect the heart.
Phenytal should not be taken with following medicines due to severe side effects it may cause to patients -
Severe
Moderate
Mild
If you are suffering from any of the following diseases, you should not take Phenytal unless your doctor advises you to do so -
Is this Phenytal habit forming or addictive?
No, there is no any evidence that Phenytal is addictive.
Interaction between Food and Phenytal
Taking certain foods and Phenytal together may have severe side effects. Talk to your doctor about it.
Interaction between Alcohol and Phenytal
Taking alcohol with Phenytal can be dangerous.
No, Phenytal should not be taken with clonazepam. Taking these drugs together is more likely to increases the sedative (drowsiness) effect. Hence, you are advised to avoid taking them together.
Yes, Long-term use of Phenytal might result in psychological and physiological dependence (addiction). Hence its long-term use should be avoided.
Rarely, Phenytal causes liver damage (hepatotoxicity) if this drug is taken in higher doses. This effect is reversible in nature and the normal function of the liver is restored after discontinuation of this drug.
No, Phenytal does not help with pain because it is not a painkiller. It is a sedative & hypnotic agent which helps in inducing sleep and is used for the treatment of insomnia (sleeplessness).
Yes, Phenytal might help with severe alcohol withdrawal symptoms. Scientific evidence suggests that Phenytal in combination with other drugs (benzodiazepines) might help with severe alcohol withdrawal symptoms. Since it is a prescription drug, you are advised not to take Phenytal by yourself without consulting a doctor.
This medicine data has been created by -
B.Pharma, Pharmacy
5 Years of Experience
References
April Hazard Vallerand, Cynthia A. Sanoski. [link]. Sixteenth Edition. Philadelphia, China: F. A. Davis Company; 2019: Page No 85-87
US Food and Drug Administration (FDA) [Internet]. Maryland. USA; Package leaflet information for the user; Dilantin® (Phenytoin Sodium)
KD Tripathi. [link]. Seventh Edition. New Delhi, India: Jaypee Brothers Medical Publishers; 2013: Page No 413-415