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August 8, 2022

August 10, 2022

August 2, 2022
Prescription required
Available Form:
TABLET
Manufacturer name:
PENDOPHARM DIVISION OF PHARMASCIENCE INC
Generic name:
PHENOBARBITAL
Strength:
15MG, 30MG, 60MG, 100MG
Phenobarb (Phenobarbital) belongs to the class of medications called barbiturates. It is used to treat Insomnia (difficulty sleeping) and as a sedative to relieve the symptoms of anxiety or tension.
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Phenobarb (Phenobarbital) belongs to the class of medications called barbiturates. It is used to treat Insomnia (difficulty sleeping) and as a sedative to relieve the symptoms of anxiety or tension. It is also used for the control of certain types of seizures. It works by slowing down the brain and nervous system.
Phenobarb (Phenobarbital) is also used to reduce bilirubin levels in newborn babies. Bilirubin is a substance produced by the body and removed by the liver. Sometimes a newborn baby's liver needs some time to start to work effectively.
Phenobarb (Phenobarbital) may be available under multiple brand names and/or in several different forms. Any specific brand name of Phenobarb (Phenobarbital) may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of Phenobarb (Phenobarbital) may not be used for all of the conditions discussed here.
Your doctor may have suggested Phenobarb (Phenobarbital) for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking Phenobarb (Phenobarbital), speak to your doctor. Do not stop taking Phenobarb (Phenobarbital) without consulting your doctor.
Do not give Phenobarb (Phenobarbital) to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take Phenobarb (Phenobarbital) if their doctor has not prescribed it.
Adults (seizure prevention): The recommended adult dose of Phenobarb (Phenobarbital) to prevent seizures ranges from 50 mg to 100 mg taken twice or three times daily. The maximum dose is 600 mg daily.
Children (seizure prevention): The recommended children's dose ranges from 15 mg to 50 mg taken twice or three times daily.
Adults (treatment of insomnia/sedative): The recommended adult dose of Phenobarb (Phenobarbital) for insomnia ranges from 100 mg to 200 mg taken at bedtime. The recommended adult dose as a sedative ranges from 30 mg to 90 mg daily in 2 or 3 divided doses.
Children (sedative): The recommended sedative dose for children is 2 mg per kilogram of body weight, taken 3 times daily.
Use an oral syringe to measure each dose of the liquid, as it gives a more accurate measurement than household teaspoons.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
Phenobarb (Phenobarbital) may be habit-forming if taken for long periods of time. You may experience withdrawal effects if you stop taking Phenobarb (Phenobarbital) suddenly after extended use. If you plan on stopping the medication, your doctor may want you to reduce the dose gradually to reduce the severity of withdrawal effects.
It is important that Phenobarb (Phenobarbital) be taken exactly as prescribed by your doctor. If you have been taking Phenobarb (Phenobarbital) on a regular basis, do not stop taking Phenobarb (Phenobarbital) without talking to your doctor first, and do not increase the dose of Phenobarb (Phenobarbital) without first talking with your doctor.
If you miss a scheduled dose, take it as soon as possible and continue on with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue on with your regular dosing schedule. Do not take a double dose of Phenobarb (Phenobarbital). If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store Phenobarb (Phenobarbital) at room temperature and keep it out of the reach of children.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.
The side effects listed below are not experienced by everyone who takes Phenobarb (Phenobarbital). If you are concerned about side effects, discuss the risks and benefits of Phenobarb (Phenobarbital) with your doctor.
The following side effects have been reported by at least 1% of people taking Phenobarb (Phenobarbital). Many of these side effects can be managed, and some may go away on their own over time.
Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.
Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
Stop taking the medication and seek immediate medical attention if any of the following occur:
Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Phenobarb (Phenobarbital).
Elixir
Each mL of clear red liquid contains 5 mg of Phenobarb (Phenobarbital) USP. Nonmedicinal ingredients: alcohol, anise oil, FD&C Red No. 2, glycerin, methyl paraben, natural and artificial flavour (lemon and orange), propyl paraben, purified water, sodium chloride, sodium cyclamate, and sucrose.
Tablets
15 mg
Each white, round, biconvex tablet, debossed with 'PH' on one side and '15' on the other side contains 15 mg of Phenobarb (Phenobarbital). Nonmedicinal ingredients: gelatin, lactose monohydrate, maize starch, microcrystalline cellulose and stearic acid..
30 mg
Each white, round, biconvex tablet, debossed with 'PH' on one side and '30' on the other side contains 30 mg of Phenobarb (Phenobarbital). Nonmedicinal ingredients: gelatin, lactose monohydrate, maize starch, microcrystalline cellulose and stearic acid..
60 mg
Each white, round, biconvex tablet, debossed with 'PH' on one side and '60' on the other side contains 60 mg of Phenobarb (Phenobarbital). Nonmedicinal ingredients: gelatin, lactose monohydrate, maize starch, microcrystalline cellulose, silicon dioxide and stearic acid.
100 mg
Each white, round, biconvex tablet, debossed with 'PH' on one side and '100' on the other side contains 100 mg of Phenobarb (Phenobarbital). Nonmedicinal ingredients: gelatin, lactose monohydrate, maize starch, microcrystalline cellulose, silicon dioxide and stearic acid.
Do not use Phenobarb (Phenobarbital) if you:
There may be an interaction between Phenobarb (Phenobarbital) and any of the following:
If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:
An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.
Medications other than those listed above may interact with Phenobarb (Phenobarbital). Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Phenobarb (Phenobarbital).
Blood counts: Phenobarb (Phenobarbital) can decrease the number of neutrophils (a type of white blood cell that helps fight infection), red blood cells (which carry oxygen), and platelets (which help your blood to clot). Your doctor will do blood tests to monitor this. If you notice any signs of infection (e.g., fever, chills, or sore throat) or unusual bleeding or bruising, contact your doctor immediately.
Bone Problems: Long term use of medications to treat Epilepsy, including Phenobarb (Phenobarbital), may cause bones to become brittle, leading to decreased bone strength. If you are at risk of developing Osteoporosis, discuss with your doctor how Phenobarb (Phenobarbital) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Phenobarb (Phenobarbital), and whether any special monitoring is needed.
Breathing: Phenobarb (Phenobarbital) can suppress breathing. People with breathing problems, such as COPD (Chronic Obstructive Pulmonary Disease) (COPD) or Asthma, may be more likely to experience breathing problems. If you have breathing problems, discuss with your doctor how Phenobarb (Phenobarbital) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Phenobarb (Phenobarbital), and whether any special monitoring is needed.
Drowsiness/reduced alertness: Barbiturates such as Phenobarb (Phenobarbital) may reduce the mental and physical abilities needed for tasks such as driving a car or operating machinery. Drinking alcohol at the same time may have an additive effect. People taking Phenobarb (Phenobarbital) may be more likely to experience broken bones due to falls. This applies especially to seniors.
Liver function: Liver disease or reduced liver function may cause Phenobarb (Phenobarbital) to build up in the body, causing side effects. If you have liver problems, discuss with your doctor how Phenobarb (Phenobarbital) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Phenobarb (Phenobarbital), and whether any special monitoring is needed. Your doctor may want to test your liver function regularly with blood tests while you are taking Phenobarb (Phenobarbital).
If you experience symptoms of liver problems such as fatigue, feeling unwell, loss of appetite, nausea, yellowing of the skin or whites of the eyes, dark urine, pale stools, abdominal pain or swelling, and itchy skin, contact your doctor immediately.
Skin rash: Rarely, people taking Phenobarb (Phenobarbital) experience a severe skin reaction that can be life-threatening. If you experience a rash that gets worse, or develops into blisters, sores on the lips or eyes or covers a large area of the body, with or without fever, contact your doctor immediately.
Stopping the medication: If Phenobarb (Phenobarbital) needs to be stopped, it should be done gradually, under the supervision of your doctor. Suddenly stopping Phenobarb (Phenobarbital) can cause a return of seizures that are difficult to control.
Suicidal or agitated behaviour: People with epilepsy sometimes experience depression. This can increase your risk of feeling agitated (restless, anxious, aggressive, emotional, and feeling not like yourself), or wanting to hurt yourself or others. If you experience these side effects or notice them in a family member who is taking Phenobarb (Phenobarbital), contact your doctor immediately.
Withdrawal: Barbiturates such as Phenobarb (Phenobarbital) may become habit-forming (physical and psychological dependence) if used for long periods of time. Withdrawal symptoms after prolonged use include:
People stopping Phenobarb (Phenobarbital) after having taken it for long periods of time should reduce the dose gradually under a doctor's supervision.
Pregnancy: Medications used to prevent major seizures should not be stopped. The use of Phenobarb (Phenobarbital) is not recommended during pregnancy. However, the decision about whether or not to stop the medication must weigh the potential benefits against the potential risks. If you become pregnant while taking Phenobarb (Phenobarbital), contact your doctor immediately.
Breast-feeding: Phenobarb (Phenobarbital) passes into breast milk. If you are a breast-feeding mother and are taking Phenobarb (Phenobarbital), it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.
References
All material © 1996-2021 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition.
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