Save up -80% on Phenobarbital

Note: this is a drug discount program, not an insurance plan.
RX BIN: 015558RX PCN: HTGroup ID: DDN6600Card Holder ID: DDN6600
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2019 Price of Luminal

$16.6360 tablets/60 mg
Price with discount in nearest pharmacy. Price may vary.

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We offer free Phenobarbital coupons and discounts that may help you save up to 80% off the retail price in your local pharmacy. Just print your coupon! It’s ready to use and never expire. Present your manufacturer copay card in most local pharmacies to get a discount on Phenobarbital every time. What are you waiting for? Claim your prescription drug card now!

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Phenobarbital volume of distribution

The plasma volume of distribution of phenobarbital approximates 0.6–1.0 L/kg, depending on the age of the patient. Children and adults have a smaller volume of distribution (~0.7 L/kg) compared to neonates (~0.9 L/kg).

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2018 Statistics

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Discount Cards 16,000+


Clients Benefit 29%


Total savings $4,735,080

What is Phenobarbital

A barbituric acid derivative that acts as a nonselective central nervous system depressant. It promotes binding to inhibitory gamma-aminobutyric acid subtype receptors, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.

Phenobarbital mechanism of action

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 forms of Phenobarbital

Elixiroral4 mg
Tablet (extended-release)oral

Prescription Generics


International Brands



5-ethyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione 5-Ethyl-5-phenyl-pyrimidine-2,4,6-trione


Winder Laboratories, LLC

CAS number






Affected organisms

Humans and other mammals

Indication of Phenobarbital

For the treatment of all types of seizures except absence seizures.

Toxicity of Phenobarbital

CNS and respiratory depression which may progress to Cheyne-Stokes respiration, areflexia, constriction of the pupils to a slight degree (though in severe poisoning they may wshow paralytic dilation), oliguria, tachycardia, hypotension, lowered body temperature, and coma. Typical shock syndrome (apnea, circulatory collapse, respiratory arrest, and death) may occur.

RX24 Drugs Disclaimer: consult your healthcare provider before buying a Phenobarbital on prescription or using an RX manufacturer savings coupon. Content on this page is provided for informational purposes only. Any use of this information is at your own risk.

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