Phalin 300mg Tablet is a prescription medicine used to treat and prevent epilepsy (seizures). It controls seizures by decreasing the abnormal and excessive activity of the nerve cells in the brain.

Phalin 300mg Tablet can be used alone or in combination with other medicines. It should be taken in the dose and duration as advised by your doctor. This may increase gradually until your condition is stable. This medicine may take several weeks to work but it is important to take it regularly to get the benefit. Do not stop taking it, even if you feel fine, unless your doctor advises you to. You may have more seizures, or your bipolar disorder may get worse.

The most common side effects of this medicine include skin involuntary eye movement, lack of coordination, slurred speech, mental confusion, nausea, vomiting, constipation, and rash. Most side effects wear off, but if they bother you or do not go away, tell your doctor. There may be ways of preventing or reducing these effects.

Before taking this medicine, tell your doctor if you have kidney or liver problems, meningitis or depression or suicidal thoughts. Also let your healthcare team know about all other medications you are using as some may affect, or be affected by, this medicine, including contraceptive pills. If you are pregnant or breastfeeding, Phalin 300mg Tablet can be taken if it is clearly needed but the dose may be adjusted. You should avoid driving or riding a bicycle if this medicine makes you drowsy or dizzy. You may need frequent blood tests to check how you are responding to this medicine.

Uses of Phalin Tablet

Treatment and prevention of Epilepsy/Seizures

Benefits of Phalin Tablet

In Treatment and prevention of Epilepsy/Seizures

Phalin 300mg Tablet is an anticonvulsant (or anti-epileptic) medicine that works by decreasing the nerve impulses which cause the seizures. By controlling the frequency of seizures, it will help you go about your daily activities with more confidence. It helps reduce symptoms such as confusion, uncontrollable jerking movements, loss of awareness, and fear or anxiety.
This medicine is not associated with any physical or psychological dependence (addiction) but it should not be stopped suddenly. It must be taken regularly as prescribed to be effective. Missing doses may trigger a seizure.

Side effects of Phalin Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Phalin

Rash
Vomiting
Nausea
Slurred speech
Confusion
Nystagmus (involuntary eye movement)
Coordination disorder

How to use Phalin Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Phalin 300mg Tablet may be taken with or without food, but it is better to take it at a fixed time.

How Phalin Tablet works

Phalin 300mg Tablet is an antiepileptic medication. It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.

Safety advice

Alcohol

UNSAFE

It is unsafe to consume alcohol with Phalin 300mg Tablet.

Pregnancy

CONSULT YOUR DOCTOR

Phalin 300mg Tablet is unsafe to use during pregnancy as there is definite evidence of risk to the developing baby. However, the doctor may rarely prescribe it in some life-threatening situations if the benefits are more than the potential risks. Please consult your doctor.

Breast feeding

CONSULT YOUR DOCTOR

Phalin 300mg Tablet is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.

Driving

UNSAFE

Phalin 300mg Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Phalin 300mg Tablet should be used with caution in patients with kidney disease. Dose adjustment of Phalin 300mg Tablet may be needed. Please consult your doctor.

Liver

CAUTION

Phalin 300mg Tablet should be used with caution in patients with liver disease. Dose adjustment of Phalin 300mg Tablet may be needed. Please consult your doctor.

What if you forget to take Phalin Tablet?

If you miss a dose of Phalin 300mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

No substitutes found for this medicine

Quick tips

Take your medication regularly as directed by your doctor as missing doses can trigger seizures.
Do not change the brand of your medicine and make sure that you have sufficient amount of medicine present with you.
Some healthy tips to prevent seizures:
- Practice yoga every day.
- Get enough sleep at nighttime.
- Limit the use of screen time such as mobile/laptop.
- Take your medication on time.
It may cause dizziness and sleepiness. Do not drive or do anything that requires mental focus until you know how it affects you.
It may increase blood sugar levels. Inform your doctor if you are taking any medicines to treat diabetes.
It may cause swollen gum (gum hypertrophy), hence take care of oral or dental hygiene.
Talk to your doctor if you notice sudden mood changes or develop suicidal thoughts.
Do not stop taking the medication suddenly without talking to your doctor as it may increase the seizure frequency.

Fact Box

Chemical Class

Hydantoin Derivative

Habit Forming

Therapeutic Class

NEURO CNS

Action Class

Sodium channel modulators (AED)

FAQs

For how long does Phalin 300mg Tablet stay in your system?

On an average, Phalin 300mg Tablet may stay in your system for 5-6 days. This duration varies from person to person. In some cases, it may stay for about 9-10 days.

What happens if I stop taking Phalin 300mg Tablet?

Suddenly stopping Phalin 300mg Tablet may cause non-stop seizures (called status epilepticus), which can endanger life. Do not stop taking the medicine without consulting your doctor. If required, your doctor will slowly reduce the dose before stopping it completely.

What are the symptoms that occur if I take more than the recommended dose of Phalin 300mg Tablet? Can I die from Phalin 300mg Tablet overdose?

Overdose of Phalin 300mg Tablet may cause jerky movements of the eyes (nystagmus), unclear speech, loss of balance, tremor, muscle stiffness or weakness, nausea, vomiting, lightheadedness, fainting, blurred vision, slow and shallow breathing and even coma. Phalin 300mg Tablet overdose can cause very low blood pressure and respiratory problems. As a result of this, the patient can even die.

Who should avoid taking Phalin 300mg Tablet?

You should not take Phalin 300mg Tablet if you have liver disease, especially if you have a history of developing a liver problem due to Phalin 300mg Tablet. Also, patients taking Delavirdine (a medicine used in the treatment of HIV infection) should not take Phalin 300mg Tablet. Phalin 300mg Tablet may reduce the effectiveness of Delavirdine on HIV and the virus may also become resistant to Delavirdine. It is advised that you inform your doctor if you have any existing heart disorder before you receive Phalin 300mg Tablet.

Can I take Phalin 300mg Tablet with ibuprofen?

Phalin 300mg Tablet can be taken with ibuprofen. No drug-drug interactions have been reported between the two. However, interactions can occur. Please consult your doctor before taking the two medicines together.

What are the effects of Phalin 300mg Tablet on children?

The most common side effects related to Phalin 300mg Tablet in children are jerky movements of the eyes (nystagmus) and overgrowth of the gums. In some children, Phalin 300mg Tablet causes problems with thinking or behavior, mood change, slow or clumsy movements, or a loss of energy. Other side effects from high doses include unsteadiness in the feet and hands, sleepiness, and vomiting. These may be avoidable if the dose is increased slowly. These side effects quickly disappear when the dose is reduced.

Does Phalin 300mg Tablet cause weight gain?

Phalin 300mg Tablet has not been reported to cause weight gain. However, weight loss can occur with longer term use of a higher dose of Phalin 300mg Tablet. Please consult your doctor if you experience weight gain after taking Phalin 300mg Tablet.

Does Phalin 300mg Tablet make you sleepy?

Phalin 300mg Tablet can make you feel sleepy (sedation, somnolence, and drowsiness). Please consult your doctor if you feel very sleepy after taking Phalin 300mg Tablet, especially during the first few weeks of treatment or following a dose increase. Talk to your doctor as you may be advised not to drive or use machines until it is established that your ability to perform such activities is not affected.

Does Phalin 300mg Tablet affect birth control?

Phalin 300mg Tablet does affect birth control. Phalin 300mg Tablet can decrease the effect of oral contraceptives (birth control pills) which can make the contraceptive (birth control) effect unreliable. Please talk to your doctor if you are asked to take the two medicines together as you may need to use extra protection for birth control.

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Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

References

McNamara JO. Pharmacotherapy of the Epilepsies. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 591-93.
Porters RJ, Meldrum BS. Antiseizure Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 403-405.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1111-116.
Phenytoin. Cedex, France: Famar Orleans; 2018. [Accessed 22 Mar. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 22 Mar. 2019] (online) Available from:
Phenytoin. New York, New York: Pfizer; 2009]. [Accessed 22 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 22 Mar. 2019] (online) Available from:
Phenytoin sodium [FDA Label]. Mumbai, India: Wockhardt Limited; 2007. [Accessed 28 Mar. 2023] (online) Available from:
Phenytoin [Prescribing Information]. New York, NY: Parke Davis; 2009. [Accessed 31 May 2024] (online) Available from:

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