Dilantin; Dilantin Infatabs; Phenytek; Phenytoin Infatabs
Dilantin; Novo-Phenytoin; Taro-Phenytoin; Tremytoine Inj
- This drug may cause a heartbeat that is not normal or low blood pressure if given too fast. The doctor will watch your child’s heart closely when your child gets this drug.
- It is used to help control certain kinds of seizures.
- It may be given to your child for other reasons. Talk with the doctor.
- If your child has an allergy to this drug or any part of this drug.
- If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If your child is taking delavirdine.
If your child is breast-feeding a baby:
- Be sure your child does not breast-feed a baby while taking this drug.
- If your child has heart problems.
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- Have your child wear disease medical alert ID (identification).
- Have your child’s blood work checked often. Talk with your child’s doctor.
- Have the level of phenytoin in your child’s blood checked as you have been told by the doctor. If the level is too high, some side effects may happen. This includes a type of brain problem that may not go back to normal. Talk with the doctor.
- Do not stop giving this drug to your child all of a sudden without calling the doctor. Your child may have a greater risk of side effects. If your child needs to stop this drug, you will want to slowly stop it as told by the doctor.
- Have your child avoid tasks or actions that call for alertness until you see how this drug affects your child. These are things like riding a bike, playing sports, or using items such as scissors, lawnmowers, electric scooters, toy cars, or motorized vehicles.
- This drug interacts with many other drugs. The chance of this drug’s side effects may be raised or how well this drug works may be lowered. The chance of the other drugs’ side effects may also be raised. This may include very bad, life-threatening, or deadly side effects. Check with the doctor and pharmacist to make sure that it is safe for your child to take this drug with all of their other drugs (prescription or OTC, natural products, vitamins).
- Very bad and sometimes deadly skin reactions (Stevens-Johnson syndrome/toxic epidermal necrolysis) have happened with this drug. People of Asian descent are most likely to get these. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- This drug may affect certain lab tests. Tell all of your child’s health care providers and lab workers that your child takes this drug.
- If your child has high blood sugar (diabetes), talk with the doctor. This drug can raise blood sugar.
- Alcohol may interact with this drug. Be sure your child does not drink alcohol.
- Talk with the doctor before giving your child other drugs and natural products that may slow your child’s actions.
- Do not switch brands or types of this drug (like tablets, liquid) unless you talk with the doctor. They may not work the same.
- Take care of your child’s teeth. See a dentist often.
If your child is or may be sexually active:
- Birth control pills and other hormone-based birth control may not work as well to prevent pregnancy. Be sure your child uses some other kind of birth control also, like a condom, when taking this drug.
If your child is pregnant:
- This drug may cause harm to the unborn baby if your child takes it during pregnancy. If your child is pregnant or gets pregnant while taking this drug, call the doctor right away.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.
- Change in balance.
- Trouble walking.
- Feeling confused.
- Slurred speech.
- Swollen or sore gums.
- Very bad muscle pain.
- Trouble controlling body movements.
- If seizures are worse or not the same after starting this drug.
- A burning, numbness, or tingling feeling that is not normal.
- Weak bones with long-term use.
- Bone pain.
- Not able to control eye movements.
- Patients who take this drug may be at a greater risk of having thoughts or actions of suicide. The risk may be greater in people who have had these thoughts or actions in the past. Call the doctor right away if signs like low mood (depression), nervousness, restlessness, grouchiness, panic attacks, or changes in mood or actions are new or worse. Call the doctor right away if any thoughts or actions of suicide occur.
- A very bad and sometimes deadly effect has happened in people taking drugs for seizures like this drug. Call the doctor right away if your child has swollen glands; fever; rash; chest pain; not able to pass urine or change in how much urine is passed; or signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Lymph node problems like cancer have happened in people taking this drug. It is not known if this drug may be the cause. Talk with the doctor if your child has swollen glands.
- Rarely, certain blood problems have happened with this drug. This can lead to bleeding problems or infections. Sometimes, these have been deadly. Tell the doctor right away if your child has signs of infection like fever, chills, very bad sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, pain with passing urine, mouth sores, or a wound that will not heal. Tell the doctor right away if your child has any unexplained bruising or bleeding, or feels very tired or weak.
- Fast or slow heartbeat.
- A heartbeat that does not feel normal.
- Pain where the shot was given.
- Redness or swelling where the shot is given.
- Change in skin color to black or purple.
- Feeling sleepy.
- Feeling nervous and excitable.
- Not able to sleep.
- Upset stomach or throwing up.
- Hard stools (constipation).
All oral products:
- Give this drug with or without food. Give with food if it causes an upset stomach.
- Give this drug at the same time of day.
- To gain the most benefit, do not miss giving your child doses.
- Keep giving this drug to your child as you have been told by your child’s doctor or other health care provider, even if your child feels well.
- Do not stop giving this drug to your child all of a sudden without calling the doctor. Your child may have a greater risk of seizures. If your child needs to stop this drug, you will want to slowly stop it as told by the doctor.
- If this drug is given through a feeding tube, stop tube feeding for 2 hours before giving this drug. Restart tube feeding 2 hours after giving.
- Have your child swallow whole. Do not let your child chew, break, or crush.
- Do not give if product changes color.
- Have your child chew or swallow tablet whole.
- Shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
- It is given as a shot into a vein.
All oral products:
- Give a missed dose as soon as you think about it.
- If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
- Do not give 2 doses at the same time or extra doses.
- Call your child’s doctor to find out what to do.
All oral products:
- Store at room temperature.
- Protect from light.
- Store in a dry place. Do not store in a bathroom.
- Do not freeze.
- If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
- Do not share your child’s drug with others and do not give anyone else’s drug to your child.
- Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
- Talk with your child’s doctor before giving your child any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.