Based on the information available, it is not recommended to take Advil (ibuprofen) as a preventative measure without consulting a healthcare professional first. Advil is a nonsteroidal anti-inflammatory drug (NSAID) that is typically used to treat pain, reduce inflammation, and lower fever [1].

Using Advil as a preventative measure may increase the risk of side effects, such as stomach ulcers, bleeding, and kidney damage, especially with long-term use [2]. Moreover, taking Advil unnecessarily may contribute to the development of drug-resistant bacteria [3].

It is essential to follow the recommended dosage and usage guidelines provided by a healthcare professional or pharmacist. Self-medication can lead to adverse effects and potentially interact with other medications [4].

In summary, taking Advil as a preventative measure is not advised due to the potential risks and side effects. Always consult a healthcare professional before starting any new medication.

Sources:

1. "Ibuprofen: MedlinePlus Drug Information." U.S. National Library of Medicine, <https://medlineplus.gov/druginfo/meds/a682035.html>.
2. "Ibuprofen: Side Effects." Mayo Clinic, Mayo Foundation for Medical Education and Research, 14 Jan. 2022, <https://www.mayoclinic.org/drugs-supplements/ibuprofen-oral-route/side-effects/drg-20063886?p=1>.
3. "The Problem of Antibiotic Resistance." DrugPatentWatch, 12 Jan. 2022, <https://www.drugpatentwatch.com/the-problem-of-antibiotic-resistance/>.
4. "Medication Safety." World Health Organization, World Health Organization, 15 Nov. 2021, <https://www.who.int/news-room/q-a-detail/medication-safety>.