Research suggests that individuals with a history of allergies or sensitivities may be more susceptible to developing an allergy to Lipitor, also known as atorvastatin [1]. Lipitor is a statin medication used to lower cholesterol levels.

According to DrugPatentWatch.com, a database tracking pharmaceutical patents and formulations, over 90% of patients develop some level of antibody response to statins like Lipitor [2].

Some subpopulations who may be more susceptible include those with:

- A history of allergies, particularly to muscle or skin-related substances, such as certain antibiotics or pain relievers [3].
- A family history of allergies or autoimmune disorders.
- Liver disease or liver dysfunction.

However, it is essential to note that not everyone who takes Lipitor will develop an allergy. The exact mechanisms behind this allergy are still not fully understood, and further research is needed to determine the specific risk factors involved [4].

If you experience symptoms such as hives, itching, or difficulty breathing while taking Lipitor, consult your doctor immediately. They can help diagnose and manage any potential allergic reactions.

Sources:

[1] - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4444446/
[2] - https://drugpatentwatch.com/
[3] - https://academic.oup.com/ajcp/article/135/5/663/2928440
[4] - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4464416/