SYMJEPI vs TWINJECT

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Attribute	SYMJEPI	TWINJECT
Rating	70/100	70/100
Pharmacy pays	~$3898.29 /30	~$3898.29 /30
Type	RX	RX
Active ingredient	EPINEPHRINE	EPINEPHRINE
Manufacturer	Adamis Pharms Corp	Impax
Dosage forms	Solution	Injectable
Drug class	Catecholamine	Catecholamine
Boxed warning	None	None
Treats	Airway Obstruction, Anaphylaxis, Bradycardia	Airway Obstruction, Anaphylaxis, Bradycardia

symjepi twinject

Rating

70/100

Pharmacy pays

~$3898.29 /30

Type

Active ingredient

EPINEPHRINE

Manufacturer

Adamis Pharms Corp

Impax

Dosage forms

Solution

Injectable

Drug class

Catecholamine

Boxed warning

None

Treats

Airway Obstruction, Anaphylaxis, Bradycardia

Frequently asked questions

Which is better-rated, Symjepi or Twinject?

Symjepi and Twinject are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Symjepi or Twinject?

Pharmacies pay about the same to acquire either one — roughly $3898.29 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Symjepi and Twinject?

Both Symjepi and Twinject share the active ingredient Epinephrine.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.