As Americans age, prescription medications often become a normal part of daily life. In fact, most adults over 65 take at least one medication every day, and many rely on several at once. While these medicines are often necessary and beneficial, doctors warn that some commonly used drugs may quietly place extra strain on the heart over time — especially when combined with aging, high blood pressure, kidney disease, or other chronic conditions.

The challenge is that symptoms linked to medication-related heart stress can easily be mistaken for “normal aging.”

Fatigue, dizziness, swollen ankles, shortness of breath, irregular heartbeat, weakness, or low energy may sometimes signal that a medication is affecting circulation, blood pressure, fluid balance, or heart rhythm.

Here are several categories of medications doctors say older adults should monitor carefully with professional guidance.

Pain relievers like ibuprofen

Ibuprofen and similar NSAID pain relievers are widely used for arthritis, back pain, and inflammation.

However, frequent or long-term use may increase blood pressure and cause fluid retention in some people. That extra fluid can force the heart to work harder, especially in seniors who already have hypertension, heart disease, or kidney problems.

Doctors often recommend reviewing how often these medications are used rather than taking them automatically every day.

Certain diabetes medications

Some diabetes drugs in the thiazolidinedione family may help regulate blood sugar but can also cause the body to retain fluid.

For older adults, this may lead to swelling in the legs, rapid weight gain, fatigue, or worsening symptoms of heart failure.

Any sudden swelling or unusual tiredness after starting a medication should be discussed with a healthcare provider.

Sleeping pills and sedatives

Many older adults use prescription sleep aids to manage insomnia or restless nights.

But sedative medications can sometimes affect breathing patterns during sleep, increase confusion or morning grogginess, and raise fall risk. In certain individuals, nighttime breathing problems may place additional stress on the cardiovascular system.

Doctors increasingly recommend combining short-term medication use with improved sleep habits whenever possible.

Older antidepressants

Some older antidepressants, especially tricyclic antidepressants, may affect heart rhythm or blood pressure in seniors.

They may also cause dizziness, dry mouth, weakness, confusion, or lightheadedness when standing up too quickly.

People who notice racing heartbeat, faintness, or unusual fatigue while taking these medications are often advised to request a medication review.

Decongestants for colds and congestion

Pseudoephedrine and similar decongestants can narrow blood vessels and raise blood pressure.

For people with existing heart conditions, this may trigger fast heartbeat, chest discomfort, nervousness, or blood pressure spikes.

Many pharmacists advise seniors with cardiovascular issues to consult a doctor before using over-the-counter cold medicines.