Side Effects:

Common Nystagmus (involuntary eye movement), Double vision, Sleepiness, Anemia, Peripheral neuropathy (tingling and numbness of feet and hand), Gingival hyperplasia, Increased hair growth, Osteoporosis.

Expert advice for Phenykem Capsule ER
Phenykem should be taken at the same time every day to maintain consistent levels in your body. Do not stop using Phenykem without talking to your doctor, even if you feel better. It causes sleepiness or drowsiness. If this happens to you, do not drive or use machinery. Avoid consuming alcohol when taking the Phenykem, as it may cause excessive sleepiness or drowsiness. It may increase blood sugar levels.Inform your doctor if you are taking any medicines to treat diabetes. Do not start any medicine including herbal or ayurvedic without telling your doctor. As it may significantly change the Phenykem levels. Inform your doctor if you have ever been diagnosed with kidney or liver problems. Inform your doctor if you are pregnant or planning to conceive or breastfeeding.

Frequently Asked Questions

Q. How does Phenykem work?
Phenykem is used to control seizures (fits) in epilepsy patients and it works by suppressing the abnormal and excessive activity of the nerve cells in the brain.

Q. Does Phenykem cause gingival hyperplasia?
Phenykem is known to cause gingival hyperplasia (enlarged gums). To avoid this, you must maintain a good dental hygiene (taking proper care of your teeth and gums). Please consult your doctor if you have enlarged gums after taking Phenykem.

Q. Does Phenykem cause osteomalacia?
Osteomalacia (softening of the bones) has been associated with long-term (>10 years) use of Phenykem by patients with chronic epilepsy. There have been reports of bone disorders including osteopenia (reduced protein and mineral content of bone tissue) and osteoporosis (thinning of the bone) and fractures with Phenykem. Please consult your doctor for further information.

Q. Can I take Phenykem with aspirin?
Phenykem can decrease the levels of aspirin by increasing its metabolism (breakdown) and hence decrease its effect. Please consult your doctor before taking the two medicines together.

Q. Can I take Phenykem with ibuprofen?
Phenykem 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.

Q. Can I take Phenykem with paracetamol?
Phenykem decreases the level of paracetamol by increasing its metabolism (breakdown). Increased metabolism of paracetamol can increase the levels of substances that can cause liver damage. Please consult your doctor before taking the two medicines together.

Q. Is Phenykem a narcotic?
Phenykem is not a narcotic substance. Phenykem belongs to a group of medicines known as anti-epileptic medicines, these medicines are used to treat epilepsy.

Q. Is Phenykem a controlled substance?
Phenykem is not a controlled substance under the Controlled Substance Act (CSA). A controlled substance is generally a drug or chemical whose manufacture, possession or use is regulated by a government.

Q. Is Phenykem dialyzable?
Phenykem is not dialyzable by a conventional hemodialysis machine but can be dialyzed by a high permeability type of hemodialysis. To know more about the different types of dialysis and dialysability of Phenykem, please consult your doctor.

Q. Is Phenykem teratogenic (cause birth defects)?
Phenykem is teratogenic. Based on human experience, Phenykem is suggested to cause congenital malformations (birth defects) when given during pregnancy. It can cause defects of the heart, brain, fingers and can decrease the growth of the unborn baby.

Q. Is Phenykem a cytochrome P450 (CYP450) inducer?
Cytochrome P450 (CYP450) is an enzyme which causes metabolism (breakdown) of many drugs. Phenykem is a CYP450 enzyme inducer (increases the working of CYP450) causing increased breakdown of some medicines given along with Phenykem (known as drug-drug interactions). Please consult your doctor before taking any medicines along with Phenykem as it may affect the metabolism of the medicines which are metabolized by CYP450 for example Vitamin D.

Q. Is Phenykem basic or acidic?
Phenykem is a weakly acidic drug.

Q. Is Phenykem addictive?
Phenykem has not been reported to have any addictive potential and it does not show any symptoms of dependence. However, it should be taken for the duration as advised by your doctor.

Q. Does Phenykem get you high?
Phenykem does not give you a high.

Q. Does Phenykem cause hyponatremia?
Phenykem does not cause hyponatremia (low sodium levels). However, Phenykem is known to cause hypernatremia (high serum sodium level >145 mmol/L).

Q. Does Phenykem cause QT prolongation?
Phenykem is not known to cause QT prolongation (abnormal heart rhythm). However, it can rarely cause abnormal heart rhythms. Please talk to your doctor if you have any abnormal heart rhythm (beats) while taking Phenykem.

Q. Does Phenykem affect thyroid?
Thyroid function may get affected while you are taking Phenykem, especially in children. Thyroid function should be monitored while taking Phenykem. Please consult your doctor if you have hypothyroidism or a history of hypothyroidism.

Q. Does Phenykem cause weight gain?
Phenykem has not been reported to cause weight gain. However, weight loss can occur with longer term use of a higher dose of Phenykem. Please consult your doctor if you experience weight gain after taking Phenykem.

Q. Does Phenykem make you sleepy (sedation)?
Phenykem can make you feel sleepy (sedation, somnolence, and drowsiness). Please consult your doctor if you feel very sleepy after taking Phenykem, 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.

Q. Does Phenykem affect birth control?
Phenykem does affect birth control. Phenykem 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.