Phenos 100mg Tablet (PHENYTOIN)

What is Phenos tablet?

Phenos tablet is an antiepileptic (anticonvulsant) medication used to prevent and control seizures. It stabilizes electrical activity in the brain to prevent excessive neuronal firing that causes seizures.

What is the usual dose of Phenos tablet?

• Adults: Typical maintenance dose is 300 mg daily, divided into one or three doses. This may be adjusted based on blood levels and individual response.
• Children: Dose is usually based on body weight and determined by a healthcare provider.

How do I take Phenos tablet?

• Take Phenos tablet exactly as prescribed by your doctor.
• Swallow the capsules or tablets whole with a glass of water.
• If prescribed the liquid form, measure the dose carefully with a marked measuring device.
• Take it at the same time each day, with or without food.

For how long do I take Phenos tablet?

Phenos tablet is often taken long-term, as stopping it suddenly can increase the risk of seizures. Always consult your doctor before discontinuing.

What is Phenos tablet used for?

• Seizure control in epilepsy, including tonic-clonic (grand mal) and partial seizures.
• Prevention of seizures following neurosurgery or traumatic brain injury

How long does it take for Phenos tablet to start working?

Phenos tablet may take a few days to achieve effective blood levels and fully control seizures. Immediate effects may vary depending on the individual.

Is Phenos tablet effective?

Yes, Phenos tablet is effective in preventing seizures for many people with epilepsy. Regular monitoring of blood levels is important to maintain effectiveness.

How does one know if Phenos tablet is working?

• Fewer or no seizures.
• A healthcare provider may monitor Phenos tablet blood levels to ensure the drug is working effectively and safely.

How does Phenos tablet work?

Phenos tablet stabilizes the electrical activity in the brain by blocking voltage-gated sodium channels, which helps reduce abnormal brain activity that causes seizures.

Who should avoid taking Phenos tablet?

• Individuals with allergy to Phenos tablet or similar drugs.
• People with certain genetic variations (e.g., HLA-B*1502 in some Asian populations), which increase the risk of severe skin reactions.
• Those with severe liver disease or certain heart conditions (e.g., bradycardia).

Can I take Phenos tablet with vitamins or supplements?

• Some supplements, such as calcium, vitamin D, and folic acid, may be necessary with long-term use.
• Avoid taking calcium or antacids close to Phenos tablet, as they may reduce its absorption.

Can I take Phenos tablet with other prescription drugs?

• Phenos tablet interacts with many medications, including:
  • Oral contraceptives (reduces effectiveness)
  • Blood thinners like warfarin
  • Other antiepileptic drugs
  • Certain antibiotics and antifungals
• Always inform your doctor about all medications you’re taking.

Can Phenos tablet be taken safely while pregnant?

Phenos tablet can increase the risk of birth defects and complications. However, uncontrolled seizures are also dangerous. Consult your doctor to weigh the risks and benefits.

Can Phenos tablet be taken safely while breastfeeding?

Small amounts of Phenos tablet pass into breast milk, but it is generally considered safe. Monitor the baby for side effects like drowsiness or feeding issues.

Is Phenos tablet safe for the elderly?

Elderly individuals may be more sensitive to Phenos tablet and prone to side effects such as dizziness, unsteadiness, and liver issues. Close monitoring is necessary.

How should I store Phenos tablet?

Keep the medicine in a cool place, between 68 and 77 degrees Fahrenheit. Put it in a tightly closed container that blocks light. Make sure kids can't get to it.

Does Phenos tablet make people tired or drowsy?

Drowsiness is a common side effect, especially when starting treatment or adjusting the dose.

Does Phenos tablet cause stomach upset?

Stomach upset, nausea, or vomiting may occur but is usually mild.

Does Phenos tablet affect sleep?

Pilocarpine might make you feel anxious or nervous, and give you strange dreams. These feelings could make it hard to sleep. If you have trouble sleeping after taking pilocarpine, talk to your doctor.

Does Phenos tablet make it hard to think or concentrate?

Cognitive issues like difficulty concentrating or memory problems can occur in some individuals.

Does Phenos tablet affect mood?

Mood changes, including irritability or depression, are possible but less common.

Does Phenos tablet interfere with sexual function?

Phenos tablet does not typically interfere with libido or sexual performance.

Does Phenos tablet affect appetite?

Appetite changes are uncommon but may occur in some people.

Does Phenos tablet cause weight gain?

Weight gain is not a typical side effect of Phenos tablet

Does Phenos tablet cause headaches?

Some people taking pilocarpine (a medicine) get headaches. About 11% of those taking a typical dose get them, a bit more than the number of people who get headaches without taking the medicine (8%). If you get a headache while on pilocarpine, see your doctor. A bad reaction to pilocarpine can cause more severe versions of the same side effects, including a worse headache.

Does Phenos tablet limit driving?

Pilocarpine can blur your vision, especially at night. If this makes driving hard, stop driving and see a doctor.

Is it safe to drink alcohol while taking Phenos tablet?

• Avoid alcohol, as it can lower seizure threshold and affect Phenos tablet blood levels, leading to toxicity or reduced effectiveness.

Is it safe to drink coffee or tea while taking Phenos tablet?

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• Caffeine is generally safe but should be consumed in moderation, as excessive amounts may trigger seizures in some individuals.

Is it safe to exercise while taking Phenos tablet?

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• Yes, but avoid activities requiring precise coordination or balance if you experience dizziness or unsteadiness.

What are Phenos tablet possible harms and risks?

• Common side effects:
  • Drowsiness
  • Dizziness
  • Nausea or vomiting
  • Gum overgrowth (gingival hyperplasia)
  • Skin rash
• Serious side effects:
  • Severe skin reactions like Stevens-Johnson syndrome (SJS) or toxic epidermal necrolysis (TEN)
  • Liver toxicity
  • Bone thinning (osteoporosis) with long-term use
  • Blood disorders (e.g., low white blood cell counts)
  • Neurological effects like unsteadiness or slurred speech
• Regular monitoring is essential to detect potential side effects early.