What should I do if I am taking prescription medication and am considering using an herbal supplement?

If you are taking prescription medication and are considering adding an herb or herbal supplement to your daily routine, the first and most important step is to consult your healthcare provider before starting anything. It is common to believe that "natural" products are automatically safe, but this is not always true, especially when it comes to how these ingredients interact with the chemical medications you may be taking for a specific condition [1].

Why is combining medications and herbs delicate?

Herbal medications possess biological properties that may alter how a prescription drug works in your body. These herbs can interact with medications in ways that could weaken their effectiveness or unexpectedly increase their side effects. Since the regulations for manufacturing and distributing herbal supplements are less strict than those for traditional medicines, you may not always be fully aware of what these products actually contain; some research has found that some supplements may contain drugs not listed on the label or may not contain the active ingredients mentioned in their correct concentrations [2].

Practical steps when considering an herbal supplement

Before including any herbal supplement in your treatment regimen, follow these procedures to ensure your safety:

• Full Disclosure: Clearly tell your doctor or pharmacist about all supplements and herbs you intend to use or are currently taking. This allows them to assess the risk of drug interactions based on your medical history [1].
• Seek Reliable Sources: Do not rely on marketing claims. Look for reliable scientific information regarding the specific herb, and ensure you understand its potential impact on your health condition [1].
• Beware of Misleading Information: Be aware that products marketed for specific purposes, such as weight loss, sexual performance enhancement, or bodybuilding, may contain unsafe or unauthorized chemical ingredients in dietary supplements [2].

When should you be more cautious?

There are circumstances that call for extreme caution; if you are going to undergo surgery soon, you must immediately inform your surgeon about any supplements or herbs you are taking, as some may affect anesthesia or increase the risk of bleeding. Likewise, if you are pregnant or breastfeeding, or if you have a chronic medical condition, the risks are greater because many of these supplements have not been adequately tested on these sensitive groups [2]. For more details on the challenges related to this topic, you can view our article on Herbal Medicine: Between Potential Benefits and Hidden Risks (Arabic).

Always remember that the information provided here is not a substitute for specialized medical advice. If you experience any unusual symptoms after starting a new supplement, stop taking it immediately and contact your doctor to evaluate the symptoms, as this may indicate a drug interaction or an allergy to the ingredients.

Medical references

• Herbal Medicine
• Dietary and Herbal Supplements