4. Smoking or using tobacco
Smoking raises your heart rate and causes blood vessels to constrict, which directly opposes amlodipine’s vasodilating effects. Tobacco use increases overall cardiovascular risk and makes blood pressure harder to manage. Even secondhand smoke exposure can diminish how well your medication works.
Quitting smoking can rapidly improve your blood pressure control and reduce stress on your heart.
- Set a quit date and share your plan with supportive friends or family.
- Consult your healthcare provider about nicotine replacement therapies or other approved cessation aids.
- Replace hand-to-mouth habits with healthier alternatives like drinking water or stress-relief techniques.
5. Taking NSAIDs like ibuprofen too often
Nonsteroidal anti-inflammatory drugs (NSAIDs), including ibuprofen, can interfere with blood pressure control by promoting sodium and fluid retention and possibly increasing blood pressure. They may also stress the kidneys, which is a concern for patients on long-term hypertension treatment.
Frequent or prolonged NSAID use should be discussed with your healthcare provider to avoid compromising your blood pressure management.
- Talk to your doctor about alternative pain relief options such as acetaminophen.
- Use non-drug methods for minor aches, like heat therapy, gentle stretching, or rest.
- Keep a list of medications approved by your healthcare provider.
6. Using St. John’s Wort or similar herbal supplements
St. John’s Wort is often taken to support mood but can induce liver enzymes that accelerate the metabolism of amlodipine. This results in lower blood levels of the medication and reduced blood pressure control. Other herbal supplements may have similar interactions.
Because herbal products are often perceived as safe, these interactions are frequently overlooked but can have significant clinical consequences.
- Inform your healthcare provider and pharmacist about all supplements you take.
- Consider non-drug mood support methods such as exercise, counseling, or mindfulness.
- Never start new herbal supplements without consulting your doctor first.





