For people over 60—especially those with hypertension or heart disease—these effects may increase cardiovascular risk.
What to do instead
Use saline nasal sprays
Try steam inhalation or humidifiers
Choose cold medicines without stimulant decongestants
3. Certain Antibiotics
Antibiotics are essential for treating bacterial infections, but some types have been linked to heart rhythm disturbances.
Examples include certain macrolide and fluoroquinolone antibiotics.
Why they matter
