PHENYKEM 300mg Tablet is used for the treatment of  the following conditions:

• Tonic-Clonic seizures
• Partial seizures
• Absence seizures
• Seizures associated with neurosurgery
• Status epilepticus
• Neuropathic pain
• Cardiac glycoside intoxication
• Cardiac arrhythmias

PHENYKEM 300mg Tablet may also be prescribed for other conditions as determined by the doctor.

PHENYKEM 300mg Tablet belongs to the class of drugs called anti-convulsants. This drug acts by blocking the voltage-gated sodium channels. This stops the repetitive firing of action potential, which results in stabilization and reduced propagation of impulses in the brain.

The dosage and the drug form depend on the age, weight and medical condition of an individual. Take PHENYKEM 300mg Tablet as prescribed by your doctor.

Swallow the tablet/capsule whole. Do not crush or chew the tablet/capsule. Take the drug with or without food. However, taking the drug with food prevents stomach upset.

If you miss a dose of PHENYKEM 300mg Tablet, please take it immediately once you remember. However, if it is almost time for your next dose, then skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed dose.

Drugs that interact with PHENYKEM 300mg Tablet include the following:

• Acetaminophen
• Aspirin
• Atazanavir
• Deflazacort
• Estradiol
• Fentanyl
• Guaifenesin
• Hydrocodone
• Lidocaine
• Propoxyphene

This is not a comprehensive list of drug interactions. Consult your doctor to know more about other possible drug interactions.

The following are the most common side effects of PHENYKEM 300mg Tablet:

• Trouble sleeping
• Uncontrolled eye movements
• Swelling of mouth and lips

The following are the severe side effects, and you may require immediate medical attention:

• Decreased coordination
• Mental confusion
• Nervousness
• Slurred speech
• Trouble speaking
• Abdominal pain

This is not a complete list of side effects and others may occur. Please consult your doctor to know more about other possible side effects.

• Avoid using the medicine if you are allergic to PHENYKEM 300mg Tablet or similar drugs.
• Do not drive or operate heavy machinery if PHENYKEM 300mg Tablet causes dizziness or blurred vision.
• Consult the doctor before taking any other drug along with PHENYKEM 300mg Tablet.
• Avoid calcium-containing foods while using PHENYKEM 300mg Tablet, as it may decrease the absorption of the drug.
• Do not stop using the medication abruptly unless instructed by the doctor. Stopping the medication suddenly may cause the illness to return.

You are advised not to take PHENYKEM 300mg Tablet if

• it has passed the expiry date of the medicine printed on the pack.
• the foil or packaging is torn or shows signs of tampering or there is discolouration.

• Tell your doctor if you have any history of neurologic disorder, heart diseases, kidney and liver diseases.
• Inform the doctor if you are taking any other drugs, OTC medications, herbal products or nutritional supplements.
• Notify the doctor if you are pregnant or breastfeeding.

1. What are the available formulations of PHENYKEM 300mg Tablet?

PHENYKEM 300mg Tablet is available as an injectable solution, tablet, chewable tablet, capsule, oral suspension and compounding powder.

2. What is the overdose symptoms of PHENYKEM 300mg Tablet?

Overdose of PHENYKEM 300mg Tablet include mood changes, severe drowsiness, loss of consciousness and slow breathing. Consult your doctor if you experience any of the above symptoms.

3. What are the contraindications of PHENYKEM 300mg Tablet?

Contraindications of PHENYKEM 300mg Tablet include thyroid problems, diabetes, alcohol intoxication, decreased platelets, and heart attack.

4. Can I use PHENYKEM 300mg Tablet during breastfeeding?

No, PHENYKEM 300mg Tablet must not be used during breastfeeding as it passes into the breast milk and can harm the baby.

5. Can I stop using PHENYKEM 300mg Tablet if I feel better?

No, do not stop the drug abruptly unless recommended by the doctor. The dose of the drug should be gradually reduced before discontinuing it.