Ziprasidone

Ziprasidone is a new antipsycotic drug with combined dopamine and serotinin receptor antagonist activity.


Adult Dose
Dose: 10 to 40 mg
Single Dose: 25 (25)
Frequency: 12 hourly
Route: IM
Instructions: Patient sholud switch therapy as soon as possible.
Neonatal
Paedriatic
Characteristics
. The Molecular Weight of Ziprasidone is 412.94.
Contraindications
Ziprasidone is contraindicated in conditions like Cardiac arrhythmia,QTc prolongation,Hypersensitivity reactions.
Effects
The severe or irreversible adverse effects of Ziprasidone, which give rise to further complications include Rashes, Fever, Muscle twitching, QT prolongation.Ziprasidone produces potentially life-threatening effects which include Seizures. which are responsible for the discontinuation of Ziprasidone therapy.The signs and symptoms that are produced after the acute overdosage of Ziprasidone include Constipation, Dyspepsia, Sedation, Somnolence.The symptomatic adverse reactions produced by Ziprasidone are more or less tolerable and if they become severe, they can be treated symptomatically, these include Dizziness, Headache, Nausea, Anxiety, Confusion, Somnolence, Sneezing, Sexual dysfunction, Obesity, Agitation, Blood dyscrasias, Cholestatic Jaundice, Orthostatic hypotension, Hypertension, Hyperlipidemia, GI disturbance, Hepatitis, Hyperglycemia, Hyperprolactinemia, Tardive dyskinesia, Extra pyramidal symptoms, Seizures.
Indications
'Ziprasidone is primarily indicated in conditions like Schizophrenia, and can also be given in adjunctive therapy as an alternative drug of choice in Depression, Mania, Tourette''s syndrome.'
Interactions
Ziprasidone is known to interact with other drugs, the details of drug interactions is as follows:DrugDetailsSeverityOnsetManagementClarithromycinConcomitant use of ziprasidone and clarithromycin increases the risk of QT prolongation.DroperidolContinue on sepertepsIsoniazidLiver enzyme inhibitors (e.g isoniazid) decreases the metabolism of ziprasidone.LevodopaZiprasidone antagonizes the effect of Levodopa and Dopamine agonists.RifampicinLiver enzyme inducers (e.g rifampicin) accelerates the metabolism of ziprasidone.VORICONAZOLEAdditive QTc-prolonging effects may increase the risk of severe arrhythmias. Concomitant therapy should be avoided These interactions are sometimes beneficial and sometimes may pose threats to life. Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Interfrence
Risks
Drug should not be given to Cardiac / Hypertensive Patients.If prescribing authority justifies the benefits of the drug against the possible damages he/she should reevaluate them and consult the reference material and previous studies.
Storage
Store in a well closed container. Protect from Moisture and Heat.
Warnings
Ziprasidone should be avoided in combination with other drugs that are known to prolong QTc interval.Avoid use of alcohol.Avoid activities involving high temperature. It should not be used in patients with a history of seizures and cerebrovascular disease.
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