What should you know about OTC meds for high blood pressure?

High blood pressure may have no noticeable symptoms, so a product can alter readings without making you feel different. Cold remedies containing decongestants, some anti-inflammatory painkillers, steroid products, stimulant-containing weight-loss products and certain supplements can raise pressure or affect fluid balance. Some combination products duplicate an ingredient already in a regular medicine. The risk can be greater with Chronic Kidney Disease, Heart Failure or Angina. Never stop prescribed blood-pressure medicine because a home reading changes without advice.

Take a current medicine list to the pharmacy and show the full OTC label, including active ingredients. Prefer single-ingredient products when appropriate, and use the shortest course that the label or clinician recommends. Ask about non-drug options for congestion, pain or heartburn. Monitor your blood pressure as instructed, at a consistent time and while rested, and record unusual readings with symptoms. Avoid sharing someone else's prescription tablets or using supplements marketed as quick fixes. Discuss Obesity and Obstructive Sleep Apnoea if they are part of your health review.

Seek emergency care for chest pressure, severe breathlessness, sudden weakness or numbness, trouble speaking, new confusion, fainting or a severe unusual headache. These can signal serious problems such as Stroke or Transient Ischaemic Attack and should not be attributed to an OTC product. Arrange a review for repeatedly high readings, ankle swelling, worsening breathlessness or dizziness after starting a medicine. Bring the packet or a photograph of its ingredients.

Which pain, cold or allergy medicines fit my treatment? How should I monitor my readings after a new product? Could my kidney or heart health change the advice?