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Determined to save enough for college classes toward her degree, Amy has also shouldered the responsibility of supporting her mother, who has grown dependent on painkillers.

Marlene, 35, is among the estimated one-in-five people in Scotland living with chronic pain, with standard painkillers often seen as ineffective.

"I found out it was to do with the fact that I was taking lots of painkillers for an injury that I had. That wasn't the anxiety," he added.

There is a lack of basic medical supplies, including painkillers, and basic hygiene products.

A migraine - which can last days - is very different to a headache, which tend to be short-lived and can be treated more easily with painkillers like paracetamol.