Comparing Lithium vs Risperdal

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
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Lithium

Risperdal risperidone

Lithium may be used to treat manic episodes associated with bipolar disorder; however, there is a fine line between too much and too little, and ongoing monitoring is needed to prevent lithium... View more

Risperdal is an antipsychotic that relieves psychotic symptoms in people with schizophrenia or mania and is also used in the treatment of autistic disorder. Side effects are less likely at lower... View more

Prescription only

Ratings & Reviews

View all 417 reviews

View all 197 reviews

Drug Class

Antimanic agents

Atypical antipsychotics

Side Effects

See the full lithium side effects document.

Common side effects include: agitation, akathisia, anxiety, constipation, dizziness, drowsiness, dystonia, extrapyramidal reaction, nausea, rhinitis, and weight gain.

See the full Risperdal side effects document.

Pricing and Coupons

* Prices are without insurance

Quantity	100 capsule
Dosage	300 mg
Per Unit^*	$0.16
Cost^*	$16.46

View all lithium prices

Quantity	30 tablet
Dosage	0.5 mg
Per Unit^*	$6.23
Cost^*	$186.93

View all Risperdal prices and generic prices

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Generic Availability

Yes (this medicine)

Yes

Dosage Form(s) Available

Oral capsule
Oral syrup
Oral tablet
Oral tablet, extended release

Oral solution
Oral tablet

Brand Names

Lithium Carbonate ER, Lithobid Other risperidone brands include: Perseris, Risperdal Consta

Half Life

The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value.

29 hours

24 hours

CSA Schedule**

View glossary of terms.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Not a controlled drug

Is not subject to the Controlled Substances Act.

Pregnancy Category

Category D Positive evidence of risk

See the full Pregnancy Warnings document.

Category C Risk cannot be ruled out

See the full Pregnancy Warnings document.

Drug Interactions

A total of 659 drugs are known to interact with lithium:

167 major drug interactions (649 brand and generic names)
441 moderate drug interactions (1791 brand and generic names)
51 minor drug interactions (347 brand and generic names)

A total of 637 drugs are known to interact with Risperdal:

90 major drug interactions (337 brand and generic names)
541 moderate drug interactions (2163 brand and generic names)
6 minor drug interactions (35 brand and generic names)

Alcohol/Food/Lifestyle Interactions

Alcohol can increase the nervous system side effects of lithium such as dizziness, drowsiness, and... View more

RisperiDONE oral solution should not be mixed with tea or cola. It may be taken with water... View more

Disease Interactions

First Approval Date

April 06, 1970

December 29, 1993

WADA Class

View World Anti-Doping Agency classifications.

N/A

More Information

Consumer Resources

Professional Resources

Prescribing Information

Related Treatment Guide

** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer