Antibiotics revolutionized medicine in the 20th century, saving countless lives from bacterial infections. But today, their effectiveness is under threat — and much of the blame lies with how we use them.

The World Health Organization has declared antibiotic resistance one of the top 10 global public health threats. Every year, at least 1.27 million people die worldwide from infections caused by antibiotic-resistant bacteria. By 2050, this number could reach 10 million annually if current trends continue.

How does resistance develop? When bacteria are exposed to antibiotics, most are killed — but some with natural mutations survive. These survivors multiply, creating populations that the antibiotic can no longer affect. The more we use antibiotics, especially incorrectly, the faster resistance spreads.

The most common reason people reach for antibiotics — cold and flu symptoms — is caused by viruses, not bacteria. Antibiotics do absolutely nothing against viruses. Taking them for a viral infection only exposes your body's bacteria to the drug unnecessarily, breeding resistance.

Different bacteria require different antibiotics. Without proper testing (culture and sensitivity), you might take an antibiotic that doesn't target your specific infection. Underdosing is especially dangerous — it kills weaker bacteria but lets resistant ones thrive.

Many people save leftover antibiotics from previous prescriptions. This is dangerous for several reasons:

- The leftover amount is rarely a complete course

- The antibiotic may have degraded

- It may not be appropriate for your current infection

- Incomplete courses accelerate resistance

Antibiotics are necessary for confirmed bacterial infections such as:

- Strep throat (confirmed by rapid test or culture)

- Urinary tract infections

- Bacterial pneumonia

- Skin infections like cellulitis

- Certain ear infections

They are NOT needed for:

- Common cold

- Influenza (flu)

- Most sore throats

- Most sinus infections

- Most bronchitis cases

1. Never take antibiotics without a prescription — even if you have leftovers

2. Complete the full course when prescribed — don't stop early because you feel better

3. Don't pressure your doctor for antibiotics when they say you don't need them

4. Get vaccinated — preventing infections reduces antibiotic need

5. Practice good hygiene — handwashing prevents the spread of resistant bacteria

PillsCard helps you understand which of your medications are antibiotics, reminds you to complete your full course, and provides educational content about responsible antibiotic use. Together, we can help slow the spread of resistance.