Celontin

Celontin Uses, Dosage, Side Effects, Food Interaction and all others data.

Mesuximide (or methsuximide) is an anticonvulsant medication. It is sold by Pfizer under the name Petinutin.

Used in the treatment of epilepsy. Celontin suppresses the paroxysmal three cycle per second spike and wave activity associated with lapses of consciousness which is common in absence (petit mal) seizures. The frequency of epileptiform attacks is reduced, apparently by depression of the motor cortex and elevation of the threshold of the central nervous system to convulsive stimuli.

Trade Name Celontin
Availability Prescription only
Generic Methsuximide
Methsuximide Other Names alpha-Methylphensuximide, Mesuximida, Mesuximide, Mesuximidum, Methsuximid, Methsuximide, Metosuccimmide
Related Drugs diazepam, topiramate, levetiracetam, Keppra, Topamax, Valium
Weight 300mg,
Type Oral capsule
Formula C12H13NO2
Weight Average: 203.2371
Monoisotopic: 203.094628665
Groups Approved
Therapeutic Class
Manufacturer
Available Country Canada, United States,
Last Updated: September 19, 2023 at 7:00 am
Celontin
Celontin

Uses

Celontin is a succinimide anticonvulsant that increases the seizure threshold. Primarily used for childhood absence seizures. Functions by suppressing paroxysmal spike-and-wave patterns associated with lapses of consciousness in absence seizures.

For the control of absence (petit mal) seizures that are refractory to other drugs.

Celontin is also used to associated treatment for these conditions: Refractory absence Seizures

How Celontin works

Binds to T-type voltage sensitive calcium channels. Voltage-sensitive calcium channels (VSCC) mediate the entry of calcium ions into excitable cells and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, gene expression, cell motility, cell division and cell death. The isoform alpha-1G gives rise to T-type calcium currents. T-type calcium channels belong to the "low-voltage activated (LVA)" group and are strongly blocked by mibefradil. A particularity of this type of channels is an opening at quite negative potentials and a voltage-dependent inactivation. T-type channels serve pacemaking functions in both central neurons and cardiac nodal cells and support calcium signaling in secretory cells and vascular smooth muscle. They may also be involved in the modulation of firing patterns of neurons which is important for information processing as well as in cell growth processes.

Toxicity

Acute overdoses may produce nausea, vomiting, and CNS depression including coma with respiratory depression. Levels greater than 40 µg/mL have caused toxicity and coma has been seen at levels of 150 µg/mL.

Food Interaction

  • Avoid alcohol.
  • Take with food.

[Moderate] GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents.

Use in combination may result in additive central nervous system depression and
MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol.

Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

Half Life

1.4-2.6 hours for mesuximide and 28-38 hours for the active metabolite.

Innovators Monograph

You find simplified version here Celontin

*** Taking medicines without doctor's advice can cause long-term problems.
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