Selling medicines for patients in the UK, abroad in a more favourable exchange rate - the practice is legal, but ethically questionable.
Patients with breast cancer, osteoporosis, Parkinson's disease, depression, kidney disease, epilepsy and other illnesses often do not find their usual medications on the shelves of pharmacies.
The issue of shortage of drugs was raised last year, but the situation analysis shows that the situation has not improved.
As a result, many manufacturers have introduced a "quota system" in an attempt to restrict supply, thus evenly distributing medicines across the UK.
But pharmacists believe quotas are not an effective tool, since they can only receive a certain number of drugs and are not entitled to order more.
Patients who need long-term care, are particularly vulnerable: 46 percent of patients with depression do not always get their drugs, 35 percent of people with high blood pressure and 34 percent of patients with diabetes also not fully secured, as at 30 percent of patients with bronchial asthma and 23 percent of persons with chronic lung disease.
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In spite of all the efforts of politicians, the problem has not been solved at the legislative level.