Skip to Content

Logo (E) 4 (Protriptyline 5 mg)

Pill with imprint Logo (E) 4 is Orange, Round and has been identified as Protriptyline hydrochloride 5 mg. It is supplied by Sigmapharm Laboratories, LLC.

Protriptyline is used in the treatment of depression and belongs to the drug class tricyclic antidepressants. FDA has not classified the drug for risk during pregnancy. Protriptyline 5 mg is not a controlled substance under the Controlled Substance Act (CSA).

Images for Logo (E) 4

Protriptyline hydrochloride

Logo (E) 4
5 mg
Prescription only
Drug Class:
Tricyclic antidepressants
Pregnancy Category:
N - Not classified
CSA Schedule:
Not a controlled drug
Labeler / Supplier:
Sigmapharm Laboratories, LLC
Inactive Ingredients:
lactose anhydrous
calcium phosphate dibasic anhydrous
magnesium stearate
microcrystalline cellulose
polyethylene glycol
polyvinyl alcohol
magnesium silicate
titanium dioxide
FD&C Yellow No. 6
Note: Inactive ingredients may vary.

Get help with Imprint Code FAQs.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date, and complete, but no guarantee is made to that effect. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 2018, National Library of Medicine, Truven Health Analytics and Cerner Multum, Inc. All Rights Reserved.