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(secobarbital sodium) Capsules, USP
- Patient Information:
Details with Side Effects
The barbiturates are nonselective central nervous system (CNS) depressants that are primarily used as sedative hypnotics. In subhypnotic doses, they are also used as anticonvulsants. The barbiturates and their sodium salts are subject to control under the Federal Controlled Substances Act.
Seconal Sodium® (Secobarbital Sodium Capsules, USP) is a barbituric acid derivative and occurs as a white, odorless, bitter powder that is very soluble in water, soluble in alcohol, and practically insoluble in ether. Chemically, the drug is sodium 5-allyl-5-(1-methylbutyl) barbiturate, with the molecular formula C12H17N2NaO3. Its molecular weight is 260.27. The structural formula is as follows:
Each capsule contains 100 mg (0.38 mmol) of secobarbital sodium. It also contains dimethicone, FD&C Red No. 3, FD&C Yellow No. 10, gelatin, magnesium stearate, pregelatinized starch, and titanium dioxide.
What are the possible side effects of secobarbital (Seconal Sodium)?
Call your doctor at once if you have any of these serious side effects:
- restless muscle movements in your eyes, tongue, jaw, or neck;
- slow heartbeat, shallow breathing;
- feeling like you might pass out;
- a fever or a sore throat;
- sores in your mouth;
- easy bruising or bleeding; or
- ongoing nightmares or increased dreaming.
Less serious side effects may include:
- drowsiness or dizziness;
- problems with memory or concentration;
- excitement (especially in children or older adults);
Last reviewed on RxList: 8/25/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Seconal Sodium Information
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