Ms Mundy-Bennett arrived at Masterton Medical with the family member, 10 minutes before closing time at 5pm, and saw the doctor who prescribed antibiotics for the wound.
The doctor gave Ms Mundy-Bennett a script and told her Southend Pharmacy and Duncan's Pharmacy, both in Masterton, were open weekends. But by the time she got to them they were both closed.
"All the lights were out, no sign of life at either chemist."
She then called the hospital for advice on how she could get the medication the doctor had prescribed, informing them both pharmacies had closed at 5pm.
"They suggested that I come home and check if the Featherston or Greytown ones would be open on the weekend," so she would not have to drive back up to Masterton the next day.
Ms Mundy-Bennett said she stopped at every pharmacy on the drive back to Featherston and nothing was open on Sunday.
"What's the point of travelling all the way up to Masterton to see a doctor, get told you need medication and not be able to get it?"
Ms Mundy-Bennett searched on Google for "urgent pharmacies" open in the Hutt and went over the hill to Queen Street Pharmacy in Upper Hutt, who were open from 9am to 9pm, every day.
"Lucky I had a car and I had gas in the car," said Ms Mundy-Bennett, who is the only driver in her family as her husband is disabled.
"I spent 15 years working for St John so I can tell when something needs to be seen by a GP."
She said even though she had to drive, from Featherston, 40km to Masterton and then 30km to Upper Hutt, it still worked out cheaper than if she had gone straight to Upper Hutt.
Out of curiosity, and in case she found herself in a similar situation again, Ms Mundy-Bennett called the Upper Hutt Health Centre to see how much an after hours doctor visit would cost her.
She was told that for an unregistered adult aged 18 to 64, it would cost $101, as opposed to the $36 she would pay to visit her regular doctor in Masterton.
"I ended up doing a 152km trip to see a doctor and get antibiotics."
Ms Mundy-Bennett said the ordeal had left her feeling "frustrated". She could not understand why there was no communication between a GP handing out the day's final script and a pharmacy staying open long enough for people to get medication.
"You would assume they went hand in hand. It's not rocket science," she said.
"I think the whole of the Wairarapa deserves a better service." A friend of Ms Mundy-Bennett, Leticia Carmichael, said with three children she had encountered this issue many times before.
Her most recent experience was on Queen's Birthday Monday, when she took her son, Seth Pomeroy, 10, to Wairarapa Hospital with an ear infection. She said she would have visited the doctor instead of the hospital but it was after 5pm so they were shut.
Seth had a history of chronic earache and Miss Carmichael wanted it seen to immediately as her son, who did not cry often, was noticeably suffering acute pain.
"I knew he was bad because he was crying, otherwise I would have taken him the next day."
Miss Carmichael said the doctor gave Seth some pain relief but no medication.
"He needed antibiotics. They gave him some nurofen and a script and said go to the pharmacy in the morning."
Miss Carmichael got the script filled the next morning but said Seth's recovery was delayed because he had not been given the antibiotic sooner.
"I just think there should be something available for people who need their scripts filled right away.
"It's all very well there is an after hours service over the hill but some people can't afford to go there."
She said there were people who were more sick who would benefit with a change to the system.
Pharmacy team leader Gail Edwards from Wairarapa Hospital said no Wairarapa community pharmacies were open after hours on the weekend.
Only two pharmacies in the Wairarapa district are open on the weekend - Duncan's Pharmacy and Unichem Southend Pharmacy - both on Queen St in Masterton and open until 5pm.
"After 5pm on Saturday and Sunday, if people need a script urgently they can go to Wairarapa Hospital's emergency department where an ED doctor is able to fill a prescription and give an appropriate quantity to tide people over until the next day when the pharmacy reopens."
However, the after hours service "is only for urgent and necessary drugs".
Owner of Unichem Southend Pharmacy Viv Barham said patients' health and wellbeing always came first but community pharmacies faced a number of issues that threatened their sustainability.
"With the extra pressure of the medicine margin funding shortfall, it is no longer viable for our pharmacy to stay open longer in the weekend. We used to close at 6pm in the weekend."
