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Pharmacy Technician interview questions and how to answer them

A pharmacy tech interview is mostly one question asked a dozen ways: will you slow down when it matters? The pharmacist hiring you wants someone who counts accurately, catches the wrong strength before it reaches the bag, and stays polite at the drive-thru window when the line wraps around the building. Here's what they'll ask and what a good answer sounds like.

12 questions8 minute read

Part 1

1.Walk me through how you fill a prescription from start to finish.

Why they ask

They want to hear a real workflow with checks built in, not a vague description of counting pills.

How to answer

  • Start at intake: verify the patient with name and date of birth, check allergies, and confirm the prescriber details are complete.
  • Enter it in the system (name the one you've used, like PioneerRx or EnterpriseRx) and run insurance.
  • Scan the stock bottle so the barcode confirms the NDC matches, then count or measure and label.
  • Leave it for pharmacist verification and never bag anything they haven't checked.

2.You grab a bottle and realise the strength on the shelf doesn't match what's on the label you just printed. What do you do?

Why they ask

Look-alike, sound-alike drugs and wrong strengths are the classic dispensing error. They want to see that you stop.

How to answer

  • Stop filling and set that bottle aside so it doesn't end up in the wrong basket.
  • Go back to the original prescription and the entry to see where the mismatch came from.
  • Tell the pharmacist, even if you fixed it yourself, so they can decide if anything else needs checking.
  • Mention a habit that prevents it, like reading the label out loud or using shelf tags for look-alike pairs.

3.A claim comes back rejected for prior authorization. How do you handle it?

Why they ask

Insurance rejections eat a huge share of a tech's day, and fixing them well keeps patients from walking away without their medication.

How to answer

  • Read the rejection code and message instead of guessing.
  • Check for a simple fix first, like wrong quantity, a refill too soon or an outdated plan on file.
  • If it truly needs a prior auth, send the request to the prescriber (often through CoverMyMeds) and tell the patient what happens next and roughly when.
  • Flag it for the pharmacist if a short supply or a cash price makes sense so the patient doesn't go without.
4.What are the rules around controlled substances that affect your day?

Why they ask

Mistakes with Schedule II drugs bring board and DEA attention, so they want someone who respects the process.

How to answer

  • Schedule II drugs usually can't be refilled and live in a locked safe or cabinet with tight counts.
  • You do perpetual inventory counts, and any discrepancy goes straight to the pharmacist.
  • You check the state prescription monitoring program when your pharmacy's policy calls for it, or pull the report for the pharmacist.
  • Say that rules differ by state and you follow the pharmacy's written policy.
5.Calculate a days' supply for this prescription: one tablet twice a day, and the doctor wrote for a bottle that lasts a month.

Why they ask

Wrong days' supply causes insurance rejections and early refill problems. Some managers give a quick math question on the spot.

How to answer

  • Talk through the math out loud: doses per day times days gives you the quantity.
  • Mention checking the result against what the plan allows before submitting.
  • Bring up the harder cases you've seen, like inhalers, insulin pens, eye drops or tapering doses, and how you work those out.
  • Say you'd ask the pharmacist when the sig is unclear rather than guessing.

Part 2

6.Tell me about a time a customer got angry at the counter or the drive-thru.

Why they ask

Retail pharmacy is hard on people. They want to know you won't escalate it or take it home with you.

How to answer

  • Pick a real story: an insurance rejection, a prescription that wasn't ready, a controlled refill too soon.
  • Describe how you lowered the temperature, like acknowledging the problem and explaining what you could actually do.
  • Show what you did next, such as calling the doctor's office or getting the pharmacist to talk to them.
  • End with the outcome and what you'd repeat.
7.A patient asks you whether it's safe to take this with their blood pressure medication. What do you say?

Why they ask

This tests whether you know your scope. Techs don't counsel patients on clinical questions.

How to answer

  • Say plainly that's a question for the pharmacist.
  • Get the pharmacist or offer to have them call back, and note the question so it isn't lost.
  • Keep the patient waiting as little as possible while you do it.
  • Show you know the line between giving information (store hours, pickup status) and giving advice.
8.What does your process look like for inventory, ordering and returns?

Why they ask

Outs and expired stock cost the pharmacy money and make patients wait. Techs often own the order.

How to answer

  • Describe working the daily wholesaler order and checking it in against the invoice when the totes arrive.
  • Explain how you handle a short or a backorder, like checking for another strength or a partner store.
  • Talk about pulling expired and near-dated stock on a schedule and sending it through reverse distribution.
  • Mention cycle counts and why adjusting on-hand numbers matters for the next order.
9.The queue is backed up, the phone's ringing, and there are cars at the drive-thru. How do you decide what to do first?

Why they ask

Rush hour happens most days. They want to see you prioritise without cutting safety corners.

How to answer

  • Name how you sort it: patients waiting in the store first, then promised times, then the rest.
  • Explain how you split work with the other tech, like one on production and one on the register and phones.
  • Say you'll put a caller on hold rather than rush a count.
  • Mention telling the pharmacist early when the wait times are slipping.
10.Have you done any compounding or sterile work?

Why they ask

Hospital and infusion roles often need IV room work, and even retail stores make the odd suspension or cream.

How to answer

  • Be honest about what you've done, from reconstituting antibiotics to full sterile compounding.
  • If you've worked a cleanroom, talk about garbing, hand hygiene, hood cleaning and USP standards for sterile and hazardous drugs.
  • Mention documentation, beyond-use dating and the pharmacist check on every product.
  • If you haven't, say you'd want the training and name a sterile compounding course you'd take.

Part 3

11.Tell me about a mistake you made at work and what happened after.

Why they ask

Everybody makes errors. They want someone who reports them fast, not someone who hides them.

How to answer

  • Pick a real, fixable mistake, like a wrong quantity entered or a label on the wrong bag.
  • Say how you found it or who caught it.
  • Explain that you told the pharmacist right away and helped fix it.
  • Finish with the habit you changed so it didn't happen again.
12.Why pharmacy, and where do you want to be in a few years?

Why they ask

Turnover is high. They're trying to guess whether you'll stay past the training.

How to answer

  • Give a specific reason, like liking the detail work or seeing a family member's meds get sorted out.
  • Mention a next step that fits the employer: a certification, IV room training, lead tech or pharmacy school.
  • Tie it back to learning a lot in this role first.
  • Keep it short and believable.

Questions to ask them

Ask at least two. It shows you're picking them too.

  • How many techs are usually on during your busiest shift, and how is the work split between production and the counter?
  • What does training look like in the first few weeks, and who do I shadow?
  • Do you pay for certification or renewal, or for training toward the IV room?
  • How does the pharmacy handle a dispensing error when it happens?
  • What's the biggest cause of delays here right now, and what would help most?
Career guideWhat a Pharmacy Technician does, and what it pays
Read the guide →
Skills to learnPharmacy Technician skills: what to learn first
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