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Which situations must a pharmacy technician hand to the pharmacist?

5 min lesson 2 min for the key points

Fact-checked October 15, 2026

PTCB topic: Issues needing pharmacist intervention

In 30 seconds
  • Technicians spot and flag problems; pharmacists decide what to do.
  • Send every clinical DUR alert to the pharmacist, and never override it.
  • OTC "which one is best?" questions go to the pharmacist.
  • Early refills can point to overuse; late refills can point to underuse.
  • Switching to a different drug in the same class needs the prescriber.

Key facts

  1. Prospective DUR screens for therapeutic duplication, drug-disease contraindications, drug-drug interactions, incorrect dose or duration, drug-allergy interactions and clinical abuse or misuse.
  2. Amoxicillin is a penicillin-class antibiotic; a serious penicillin allergy makes it contraindicated.
  3. The warfarin label lists NSAIDs such as ibuprofen and naproxen among drugs that increase bleeding risk.
Show all 7 key factsShow fewer
  1. FDA does not recommend OTC cough and cold medicines for children younger than 2.
  2. Early refill math: tablets left = quantity dispensed - doses taken since the fill date.
  3. Therapeutic substitution means switching to a different drug, which needs the prescriber; FDA therapeutic equivalence covers only the same active ingredient.
  4. CDC advises seating patients for vaccination and considering 15 minutes of observation afterward because of fainting.

Quick check1 question · 2 more at the end

Which customer request should a pharmacy technician refer to the pharmacist?

Full lesson

Each part starts with its main idea. Open a part when you want the details.

The short answer: Refer anything that needs clinical judgment to the pharmacist: DUR alerts (allergy, interaction, duplication, dose), possible adverse drug events, OTC recommendations, therapeutic substitution, signs of misuse such as early refills, late refills that suggest nonadherence, and symptoms after a vaccine. The technician spots and flags the issue but never overrides, advises or switches drugs.

1 What does "pharmacist intervention" mean for a technician?The technician's job is to catch the problem, and the pharmacist's job is to decide what to do about it. 1 min

The technician's job is to catch the problem, and the pharmacist's job is to decide what to do about it. The 2026 PTCE outline lists the situations that need the pharmacist. They are DUR alerts, adverse drug events, OTC recommendations, therapeutic substitution, misuse, adherence, care after immunization, allergies and drug interactions. All of them call for clinical judgment.

2 What do DUR alerts screen for?Drug utilization review (DUR) alerts warn about a possible drug therapy problem before the prescription is filled. 1 min

Drug utilization review (DUR) alerts warn about a possible drug therapy problem before the prescription is filled. Federal Medicaid rules (42 CFR 456.705) list the problems that prospective DUR screens for.

DUR alert Example
Drug-allergy Amoxicillin for a patient with a penicillin allergy
Drug-drug interaction A new alprazolam prescription for a patient using fentanyl patches
Therapeutic duplication Sertraline and escitalopram from two prescribers
Incorrect dose or duration Methotrexate written daily instead of weekly
Drug-disease contraindication A drug that worsens a condition on the profile
Clinical abuse or misuse Repeated early refills

When an alert fires, stop and send it to the pharmacist. Overriding it, cancelling the other prescription or picking a different drug are all decisions you can't make.

3 Why do OTC questions and interactions go to the pharmacist?" FDA does not recommend OTC cough and cold medicines for children younger than 2. 1 min

Choosing an OTC product is a clinical recommendation, even when a customer simply asks "which one is best?" FDA does not recommend OTC cough and cold medicines for children younger than 2. Makers label them "Do not use in children under 4 years of age."

OTC drugs can also interact with prescriptions. The warfarin label lists NSAIDs such as ibuprofen and naproxen among the drugs that raise bleeding risk. If a customer on warfarin is buying ibuprofen, ask the pharmacist to talk with them. Don't suggest a "safer" brand yourself.

4 How do refill dates reveal misuse or nonadherence?Refill dates show how fast a patient is using the medicine. 1 min

Refill dates show how fast a patient is using the medicine. Early refills can point to overuse. Late refills can point to underuse. PTCB lists early and late refill patterns as signs to watch for adherence.

Worked example: Zolpidem 5 mg #30, 1 tablet at bedtime, was filled June 1. On June 20 the patient says she has taken 1 tablet each night from June 1 through June 19. That is 19 doses, so 30 - 19 = 11 tablets should be left, enough for 11 more nights. This early request goes to the pharmacist.

A 30-day supply picked up every 60 days is the reverse problem. The patient may be taking only half the doses.

5 Which other events need the pharmacist right away?Possible adverse drug events and symptoms after a vaccine can't wait. 1 min

Possible adverse drug events and symptoms after a vaccine can't wait.

  • Side effects: A patient reports something new, like a cough or swelling, after starting a drug.
  • Post-immunization: Fainting after a shot is most common in teens and young adults. CDC advises seating patients for the shot and considering 15 minutes of observation afterward. If someone feels faint, help them sit or lie down and call the pharmacist.
  • Therapeutic substitution: Switching to a different drug in the same class, such as a plan's preferred statin, needs the prescriber. FDA's therapeutic equivalence covers only products with the same active ingredient.
6 What the technician doesTechnicians gather the facts and pass them on quickly. 1 min

Technicians gather the facts and pass them on quickly.

  1. Read every DUR alert and send clinical alerts to the pharmacist.
  2. Check refill dates against the days' supply.
  3. Send OTC "what should I take?" questions to the pharmacist.
  4. Report side effects or post-vaccine symptoms right away.

Common mistakes

The traps students fall into most. Read these before you practice.

  • Watch out: Amoxicillin is a penicillin, not a safe swap for a penicillin-allergic patient.

  • Watch out: An OTC purchase can still interact, so OTC does not mean no review.

  • Watch out: Tablets left = quantity - doses used, not the number of days that have passed.

  • Watch out: Flag the alert for the pharmacist, not override it because the prescriber wrote it.

  • Watch out: A lightheaded patient after a shot sits or lies down, not walks it off.

How to remember it

If a decision needs a pharmacist's judgment, "spot it, stop, send it."

Self-check:

  1. Name four kinds of DUR alerts.
  2. Calculate the tablets left in the zolpidem example and explain why the refill is referred.
  3. Explain why a technician should not recommend naproxen to a patient taking warfarin.
Show answers
  1. Any four of these six.
    • Drug-allergy, drug-drug interaction and therapeutic duplication.
    • Incorrect dose or duration, drug-disease contraindication and clinical abuse or misuse.
  2. 11 tablets are left, so the refill is early.
    • June 1 through June 19 is 19 nights, so 19 doses were taken.
    • 30 − 19 = 11 tablets left, enough for 11 more nights.
    • An early refill can point to overuse, so the pharmacist decides.
  3. Choosing an OTC product is a clinical recommendation.
    • The warfarin label lists NSAIDs such as naproxen among drugs that raise bleeding risk.
    • Ask the pharmacist to talk with the patient instead.
Check yourself

Try it: 2 questions

  • 2 questions
  • Patient Safety
  • 5 min in exam mode

Questions are original practice items written to the published exam content, not real exam questions.

Finished this lesson? It is marked done when you finish the questions above. You can also mark it yourself.
Sources (8)
  1. PTCB: 2026 Certified Pharmacy Technician Knowledge Reference (PDF)
  2. eCFR: 42 CFR 456.705 Prospective drug review
  3. eCFR: 42 CFR 456.702 Definitions (drug use review)
  4. DailyMed: Amoxicillin label
  5. DailyMed: Jantoven (warfarin sodium) tablets label
  6. FDA Consumer Update: Should You Give Kids Medicine for Coughs and Colds?
  7. FDA: Orange Book Preface (therapeutic equivalence)
  8. CDC: Preventing and Managing Adverse Reactions (General Best Practice Guidelines for Immunization)

Written with AI and checked against the sources above by a separate review step. No pharmacist reviews this content. How we make our content. For exam study only, not medical or legal advice; in practice also follow your state's rules and your pharmacy's policies. HealthcareExams is independent and not affiliated with PTCB.

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