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Phenobarbital | Luminal is used to treat or prevent seizures. Phenobarbital is also used short-term as a sedative to help you relax. Buy Phenobarbital online.
Therapeutic Class
Adjunct anti-epileptic drugs, Barbiturates
Pharmacology
Phenobarbital is a long-acting barbiturate. It depresses the sensory cortex, reduces motor activity, changes cerebellar function and produces drowsiness, sedation and hypnosis. Its anticonvulsant property is exhibited at high doses.
Phenobarbital acts on GABAA receptors, increasing synaptic inhibition. This has the effect of elevating seizure threshold and reducing the spread of seizure activity from a seizure focus. Phenobarbital may also inhibit calcium channels, resulting in a decrease in excitatory transmitter release.
The sedative-hypnotic effects of phenobarbital are likely the result of its effect on the polysynaptic midbrain reticular formation, which controls CNS arousal.
Dosage
Adults:
-
Hypnosis: 100 to 320 mg
-
Sedation: 30 to 120 mg/day in 2 to 3 divided doses
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Epilepsy: 60 to 250 mg/day
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Convulsion: 50 to 100 mg/day in 2 to 3 divided doses
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Status epilepticus: IV 10-20 mg/Kg, repeat if needed
Children:
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Preoperative: 1-3 mg/Kg body weight
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Convulsion: 4-6 mg/Kg/day
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Status epilepticus: IV 15-20 mg/Kg over 10-15 minutes
Administration
May be taken with or without food.
Interaction
Phenobarbital can interact with several prescription and nonprescription medications including acetaminophen, anticoagulants such as warfarin, chloramphenicol, monoamine oxidase inhibitors (MAOIs), antidepressants, asthma medicine, Buy Phenobarbital online
cold medicine, anti-allergy medicine, sedatives, steroids, tranquilizers, and vitamins. Interactions with these medications can increase the drowsiness caused by phenobarbital. Buy Phenobarbital online
Contraindications
Phenobarbital is contraindicated in patients with acute intermittent porphyria and who have a natural or idiosyncrasy to barbiturates
Side Effects
Drowsiness is the most common side effect. Less common side effects are CNS depression, nervousness, agitation, psychiatric disturbance, lethargy, mental depression, ataxia, nightmares, bradycardia, apnea, nausea, vomiting, constipation, restlessness and confusion in the elderly and hyperkinesia in children. Buy Phenobarbital online
Pregnancy & Lactation
Pregnancy Category D. Phenobarbital can cause potential fetal damage. Their use in pregnancy alone, or in combination with other anticonvulsants, can cause coagulation defects in the newborn
infant which may be preventable by the prophylactic administration of Vitamin K to the mother prior to delivery. Phenobarbital is excreted through human milk; so, caution should be taken during lactation period. Buy Phenobarbital online
Precautions & Warnings
Phenobarbital is potentially habit forming if taken over an extended period. When being prescribed to overcome insomnia, the drug should not be used for a period longer than two weeks. Caution should be taken in patients who are mentally depressed, have hepatic damage, suicidal tendencies or a history of drug abuse.
Phenobarbital is potentially habit forming if taken over an extended period. When being prescribed to overcome insomnia, the drug should not be used for a period longer than two weeks. Caution should be taken in patients who are mentally depressed, have hepatic damage, suicidal tendencies or a history of drug abuse. Buy Phenobarbital online
Overdose Effects
Phenobarbital should not be used more than the dosage guideline. 1 gm Phenobarbital oral dose may cause serious poisoning and 2 gm may cause even death. Over dosage produces severe, persistent depression.
Treatment includes artificial respiration, maintenance of fluid balance and antibiotics to prevent pneumonia. Alkalinisation of the urine and forced diuresis or hemodialysis have been used in cases of severe poisoning.
Phenobarbital should not be used more than the dosage guideline. 1 gm Phenobarbital oral dose may cause serious poisoning and 2 gm may cause even death. Over dosage produces severe, persistent depression.
Treatment includes artificial respiration, maintenance of fluid balance and antibiotics to prevent pneumonia. Alkalinisation of the urine and forced diuresis or hemodialysis have been used in cases of severe poisoning. Buy Phenobarbital online
Reconstitution
Dilute with most IV infusion soln (e.g. NaCl 0.45% or 0.9%, lactated Ringer’s, dextrose 5%, Ringer’s).
Storage Conditions
Keep below 30°C temperature, away from light & moisture. Keep out of the reach of children.