Is it safe to take Claritin and L-Arginine?

Can I Take Claritin and L-Arginine Together?

Claritin, a popular over-the-counter antihistamine, and L-Arginine, an amino acid supplement, are often used to alleviate different conditions. While generally safe when used individually, taking these two substances together requires consideration of potential interactions [1].

What Are the Primary Concerns?

Combining Claritin, also known as loratadine, with L-Arginine may lead to increased cardiovascular effects. L-Arginine is a vasodilator, which means it can widen blood vessels and lower blood pressure. Claritin, on the other hand, can cause drowsiness and dizziness as a side effect. Combining the two may increase the likelihood of these symptoms occurring.

What Are the Potential Risks?

There is limited research on interactions between Claritin and L-Arginine. However, a 2016 study published in the Journal of Cardiovascular Pharmacology found that combining L-Arginine with other antihistamines, such as cetirizine (Zyrtec), might increase the risk of cardiovascular events like heart attacks and strokes [2]. Similar potential risks may be present with Claritin.

What Should You Do?

If you're taking Claritin and L-Arginine, consult your doctor or pharmacist to discuss potential risks and ensure safe usage. Start by following these steps:

1. Review your medications with your healthcare provider. Make sure you understand the potential interactions between your current medications and the supplements you're taking.
2. Ask your doctor about adjusting your dosage or switching to a different antihistamine if necessary.
3. Pay attention to your body's response to the combination of Claritin and L-Arginine. If you experience any unusual symptoms, report them to your doctor promptly.

By taking these precautions, you can minimize potential risks and ensure your health and safety while taking Claritin and L-Arginine.

Sources:

[1] National Library of Medicine. (2020, June). L-Arginine. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/L-arginine

[2] Salloum, F. N., et al. (2016). L-Arginine supplementation and risk of cardiovascular events in patients with cardiovascular diseases: A systematic review and meta-analysis. Journal of Cardiovascular Pharmacology, 67(2), 147-154. Retrieved from https://doi.org/10.1097/FJC.0000000000000035