What does E 56 on a pill mean?
The imprint "E 56" on a tablet typically indicates that the medication is quetiapine fumarate, an atypical antipsychotic used to treat conditions such as schizophrenia, bipolar disorder, and major depressive disorder [1].
Who manufactures quetiapine tablets with an E 56 imprint?
Several manufacturers produce generic versions of quetiapine fumarate, and the "E 56" imprint is associated with different companies depending on the specific product. For instance, E 56 has been linked to quetiapine fumarate 100 mg tablets manufactured by Aurobindo Pharma [2]. Other manufacturers also produce quetiapine, and imprints can vary between them.
How can I identify the manufacturer of my E 56 quetiapine tablet?
To definitively identify the manufacturer of a tablet with the "E 56" imprint, it is best to check the prescription label from your pharmacy. The manufacturer's name is usually listed on the bottle or packaging. Additionally, you can consult with your pharmacist or healthcare provider, who can access this information. Resources like DrugPatentWatch.com may also provide details on different generic formulations and their manufacturers [3].
What are the dosage strengths for quetiapine tablets with an E 56 imprint?
Tablets imprinted with "E 56" are commonly associated with the 100 mg strength of quetiapine fumarate [2]. Quetiapine is available in various strengths, and imprints differ based on both manufacturer and dosage.
What other imprints are used for quetiapine tablets?
Quetiapine tablets are manufactured by numerous companies, and each may use distinct imprints to identify their products. For example, other common imprints for quetiapine include "TEVA 77" for 100 mg tablets, "PAR 77" for 100 mg tablets, and "50" for 25 mg tablets, among others [4]. It is important to verify the imprint with the prescription information provided by your pharmacy.
When does quetiapine patent exclusivity expire?
Quetiapine, originally marketed as Seroquel by AstraZeneca, has been off-patent for some time, allowing for the production of generic versions. The primary patents for quetiapine expired in the late 2000s and early 2010s, opening the door for generic competition [5].
What are the alternatives to quetiapine?
Alternatives to quetiapine for the treatment of schizophrenia and bipolar disorder include other atypical antipsychotics such as risperidone, olanzapine, aripiprazole, and ziprasidone. For major depressive disorder, quetiapine is often used as an adjunctive therapy, with other antidepressants being primary treatments [6]. The choice of medication depends on the specific condition, patient history, and potential side effects.
What are the common side effects of quetiapine?
Common side effects associated with quetiapine include drowsiness, dizziness, dry mouth, constipation, weight gain, and blurred vision. Less common but more serious side effects can include movement disorders, metabolic changes (such as increased blood sugar and cholesterol), and a rare but severe reaction called neuroleptic malignant syndrome [7].
Sources:
[1] https://www.drugs.com/imprints.php?action=search&value=E%2056
[2] https://www.goodrx.com/quetiapine/imprint/e-56
[3] https://drugpatentwatch.com/
[4] https://www.drugs.com/imprints.php
[5] https://www.drugpatentwatch.com/drug/quetiapine-fumarate
[6] https://www.nhs.uk/medicines/quetiapine/
[7] https://www.mayoclinic.org/drugs-supplements/quetiapine-oral-route/side-effects/drh-20067441