PTCB Guide to Fluoroquinolones Fluoroquinolones are one of the most used antibacterial drug classes. For the PTCB exam, technicians should understand the drug class, its…

PTCB Guide to Benzodiazepines. Benzodiazepines are among the most widely prescribed drugs. Over 66 million doctor appointments per annum involve prescribing benzodiazepines. That’s a lot…

Allergies as a Topic of the PTCB Exam. Allergies and hypersensitivity reactions are overreactions by the immune system to a foreign substance which is otherwise…

Liquid Dosage Forms as a Topic of the PTCB Exam. For the PTCB exam, pharmacy technicians are required to understand the various different dosage forms.…

Facts About the Common Cold Cough and cold medicines are among the most widely prescribed drugs in the United States. Pharmacy technicians provide essential counselling…

Metformin’s Importance in the Top 200 List. Metformin is one of the most prescribed drugs in the United States. An estimated 85 million prescriptions are…

What are “mechanisms of action”? Mechanisms of action are the means through which medicines work. All medicines produce a desired therapeutic effect. Mechanisms of action…

What gets tested on the PTCB exam? Calcium channel blockers (CCBs) are one of the most important drug classes in the treatment of cardiovascular conditions.…

Antihypertensive Drugs as a Topic of the PTCB Exam. Almost half of the US population has elevated blood pressure, or hypertension. Knowing the major antihypertensive…

What are narrow-therapeutic index drugs? [Update: narrow therapeutic index drugs is no longer an examinable topic on the Medications knowledge domain from January 2026, when…