Advil is a brand name for the drug ibuprofen, which is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain, reduce fever, and decrease inflammation [1]. According to the official Advil website, people with pre-existing medical conditions should consult with their healthcare provider before taking Advil [2]. The Centers for Disease Control and Prevention (CDC) also recommend that people with severe illness, such as COVID-19, should consult with their healthcare provider before taking NSAIDs like Advil [3].

While Advil is generally considered safe for most people, it can cause side effects and interact with other medications. People with certain pre-existing medical conditions may be at a higher risk of experiencing side effects or complications from Advil. For example, people with a history of stomach ulcers, kidney disease, or heart disease should be cautious when taking Advil [2].

It is important to talk to your healthcare provider before taking Advil if you have a pre-existing medical condition. Your healthcare provider can help you determine if Advil is safe for you to take and recommend an appropriate dosage.

In summary, while Advil is generally safe for most people, people with pre-existing medical conditions should consult with their healthcare provider before taking Advil. It is important to talk to your healthcare provider to determine if Advil is safe for you to take and to recommend an appropriate dosage.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ADVIL
[2] https://www.advil.com/advil-safety/pre-existing-health-conditions/
[3] https://www.cdc.gov/coronavirus/2019-ncov/your-health/treatments-for-severe-illness.html