Desyrel (Trazodone Hydrochloride) Drug Information: Overdosage and Contraindications

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May 27, 2012

Desyrel

Prescription Anxiety Medications »

What are anxiety medications and how do they work?

Anxiety is both a normal and useful response to potentially stressful or dangerous situations. It helps by increasing our awareness of what's going on around us and in other ways. For most people, the anxiety is short lived and normally goes away once the situation has passed. But that is not the case for an estimated 40 million adults in the United States who have some type of anxiety disorder and experience ongoing and unwarranted psychological distress. That distress may also manifest itself in physical symptoms such as muscle tension, headaches, or chest pain.

Anxiety medications include multiple types of drugs that are used to treat the symptoms of anxiety disorders. The three most commonly prescribed types of anxiety medication are antidepressants, anti-anxiety medications -- also known as anxiolytics -- and beta-blockers. The first two types of anxiety medications work primarily by affecting the ba...

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Please Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

OVERDOSE

Animal Oral LD₅₀

The oral LD₅₀ of the drug is 610 mg/kg in mice, 486 mg/kg in rats, and 560 mg/kg in rabbits.

Signs and Symptoms

Death from overdose has occurred in patients ingesting DESYREL (trazodone hydrochloride) and other drugs concurrently (namely, alcohol; alcohol + chloral hydrate + diazepam; amobarbital; chlordiazepoxide; or meprobamate).

The most severe reactions reported to have occurred with overdose of DESYREL (trazodone hydrochloride) alone have been priapism, respiratory arrest, seizures, and EKG changes. The reactions reported most frequently have been drowsiness and vomiting. Overdosage may cause an increase in incidence or severity of any of the reported adverse reactions (see ADVERSE REACTIONS).

Treatment

There is no specific antidote for DESYREL (trazodone hydrochloride) . Treatment should be symptomatic and supportive in the case of hypotension or excessive sedation. Any patient suspected of having taken an overdose should have the stomach emptied by gastric lavage. Forced diuresis may be useful in facilitating elimination of the drug.