When your doctor prescribes a generic drug, you expect it to be available. It’s cheap, it’s proven, and it’s supposed to be easy to get. But for millions of people in the U.S., that’s not the reality anymore. As of April 2025, there are 270 active drug shortages-and nearly all of them are generic medications. These aren’t rare glitches. They’re systemic failures that are putting patients at risk, delaying treatments, and forcing doctors to guess what’s safe to use.
Why Generic Drugs Keep Running Out
Generic drugs make up 90% of all prescriptions filled in the U.S. But they’re also responsible for over 70% of all drug shortages. Why? Because the system is built to squeeze them dry. Most generic drugs are made by just one or two manufacturers. The FDA says about 70% of these drugs have only one approved source. That means if one factory has a quality issue, shuts down for repairs, or runs out of raw materials, the entire country runs out. There’s no backup. These drugs also have razor-thin profit margins. While brand-name drugs can earn 30-40% gross profit, generic manufacturers often make just 5-10%. That’s not enough to invest in modern equipment, hire enough staff, or keep extra inventory on hand. Many factories operate at full capacity with zero buffer. One broken machine, one failed inspection, and the supply vanishes. Add to that the fact that over 80% of the active ingredients in U.S. drugs come from just two countries: China and India. A flood in India, a regulatory crackdown in China, or even a shipping delay can ripple through the entire system. And when a factory gets cited by the FDA for quality problems-which happened 35% more often between 2020 and 2024-it’s not just a fine. It’s a shutdown. And for generics, those shutdowns last longer than ever. The median shortage duration has doubled since 2011, from 12 months to 24 months.The Most Vulnerable Drugs: Sterile Injectables
Not all generics are equal when it comes to shortages. Sterile injectables-like IV antibiotics, chemotherapy drugs, and anesthetics-are the most at risk. They make up about 60% of all shortages. Why? Because making them is incredibly complex. They need clean rooms, strict temperature controls, and specialized equipment. One tiny contamination can ruin an entire batch. And because they’re injected directly into the bloodstream, there’s no room for error. That means fewer companies can make them, and those that do are barely scraping by. Drugs like vancomycin, cisplatin, and propofol have been in short supply for months-even years. One hospital pharmacist in Texas told a Reddit thread in June 2025: “We’ve been out of vancomycin powder for reconstitution for eight months. We’re using alternatives that cost three times as much and don’t work as well. Patients are getting sicker because we can’t give them the right drug.”What Happens When You Can’t Get Your Medicine
It’s not just inconvenient. It’s dangerous. A 2022 survey by the American Medical Association found that 63% of pharmacists had seen patients suffer serious harm because of drug shortages. That means infections didn’t clear, pain went untreated, cancer treatments were delayed, and heart patients got less effective drugs. Hospitals report that 89% have had to delay treatments because of shortages. Cancer centers say 67% had to change chemotherapy regimens. That’s not a minor tweak-it’s replacing a proven, life-saving drug with one that’s less effective, more toxic, or not even approved for that use. For chronic conditions, the impact is just as bad. Patients with pain disorders are being denied refills because their usual opioid is gone. People with epilepsy are switching to seizure meds they’ve never taken before. Diabetics are getting insulin from a different manufacturer with a different delivery system. All of this increases the risk of side effects, hospital visits, and even death.
The Hidden Cost: Time, Stress, and Workload
The biggest casualty isn’t just patients-it’s healthcare workers. Pharmacists are spending 15 to 20 hours a week just managing shortages. That’s not filling prescriptions. That’s calling other pharmacies, checking alternate suppliers, updating electronic records, training staff on new dosing protocols, and explaining to patients why their medication changed. Independent pharmacies are spending an average of 12.3 hours per week just finding alternatives. And 43% of them say patients are walking away because the substitute is too expensive or they can’t get it at all. Hospitals are spending an estimated $213 million a year just handling these disruptions. That’s money that could go to hiring nurses, upgrading equipment, or improving care. Instead, it’s going to scrambling for vials of saline or switching from one antibiotic to another because the first one is gone.Why Brand-Name Drugs Don’t Have the Same Problem
You might wonder: why don’t we hear about shortages of brand-name drugs like Humira or Ozempic? Because they’re not treated the same way. Brand-name drugs have higher prices, which means manufacturers can afford to keep extra inventory, invest in better equipment, and even pay for backup production lines. They also have fewer competitors. If one company runs out, others can’t just jump in-patents protect them. Generics, on the other hand, are a race to the bottom. Companies compete on price alone. The lowest bidder wins. That means no one has an incentive to build resilience. Why spend $10 million upgrading a sterile line if you’re only making pennies per dose? The numbers show it: between 2018 and 2023, there were 1,391 shortages of generic drugs versus just 600 for brand-name drugs-even though generics make up 90% of prescriptions. And when a generic runs out, there’s often no alternative. With brand drugs, doctors usually have other options. With generics? Not so much.