Comparing Ceftriaxone vs Pfizerpen

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions.
Ceftriaxone Remove Ceftriaxone from your drug comparison	Pfizerpen Remove Pfizerpen from your drug comparison	Add another drug to compare

Ceftriaxone

Pfizerpen penicillin g potassium

Prescribed for Bacterial Infection, Bone infection, Bacteremia, Bacterial Endocarditis Prevention, Bronchitis, Chancroid, Conjunctivitis, Endocarditis, Endometritis, Epididymitis - Non-Specific... View more

Prescribed for Actinomycosis, Bacteremia, Anthrax, Aspiration Pneumonia, Bacterial Infection, Botulism, Clostridioides difficile Infection, Congenital Syphilis, Cutaneous Bacillus anthracis, Deep... View more

Prescription only

See the full Pfizerpen side effects document.

Pricing and Coupons

* Prices are without insurance

Quantity	1 powder for injection
Dosage	1 g
Per Unit^*	$11.47
Cost^*	$11.47

View all ceftriaxone prices

Quantity	10 powder for injection
Dosage	5,000,000 units
Per Unit^*	$7.90
Cost^*	$79.01

View all Pfizerpen prices and generic prices

Get free Discount Card

Generic Availability

Yes (this medicine)

Yes

Dosage Form(s) Available

Injectable powder for injection
Intravenous solution

Injectable powder for injection

Brand Names

N/A

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.

8 hours

3.2 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 B No proven risk in humans

See the full Pregnancy Warnings document.

Category B No proven risk in humans

See the full Pregnancy Warnings document.

Drug Interactions

A total of 39 drugs are known to interact with ceftriaxone:

12 major drug interactions (58 brand and generic names)
24 moderate drug interactions (158 brand and generic names)
3 minor drug interactions (18 brand and generic names)

A total of 30 drugs are known to interact with Pfizerpen:

4 major drug interactions (17 brand and generic names)
19 moderate drug interactions (172 brand and generic names)
7 minor drug interactions (35 brand and generic names)

Alcohol/Food/Lifestyle Interactions

No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Disease Interactions

First Approval Date

December 21, 1984

August 30, 1968

WADA Class

View World Anti-Doping Agency classifications.

N/A

More Information

Patient resources

N/A

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