Dr. Rachna Patel, MD Home

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Allergy & Immunology

4 articles

The Prescription Conversation That Should Happen at the Pharmacy Counter—But Usually Doesn't

The Prescription Conversation That Should Happen at the Pharmacy Counter—But Usually Doesn't

Most patients accept a new prescription, fill it, and begin taking it without fully understanding what it does, what it interacts with, or what warning signs to monitor. The pharmacist standing across the counter possesses clinical expertise that is routinely left untapped. Knowing what to ask—and when to ask it—can be the difference between a medication that works and one that quietly causes harm.

Why You Get Sick Every Winter—And Why the Season Itself Is Partly Responsible

Why You Get Sick Every Winter—And Why the Season Itself Is Partly Responsible

The uptick in illness every fall and winter is not simply a matter of bad luck or crowded indoor spaces. Seasonal shifts trigger measurable physiological changes—in immune surveillance, circadian rhythm, vitamin D metabolism, and inflammatory signaling—that leave the body genuinely more vulnerable. Understanding these mechanisms offers a clinical roadmap for preparation, not just reaction.

When the Warning Signs Don't Look Like the Textbook: Recognizing Heart Attack Symptoms in Women

When the Warning Signs Don't Look Like the Textbook: Recognizing Heart Attack Symptoms in Women

Heart disease remains the leading cause of death among women in the United States, yet women are significantly more likely than men to experience heart attacks with symptoms that bear little resemblance to the classic presentation taught in textbooks. Understanding how cardiac events manifest differently in women—and knowing how to advocate for appropriate evaluation—can be the difference between timely treatment and a preventable tragedy.

When Your Body Turns Against the Dinner Table: The Growing Phenomenon of Adult-Onset Food Allergies

When Your Body Turns Against the Dinner Table: The Growing Phenomenon of Adult-Onset Food Allergies

Food allergies are no longer a condition confined to childhood — a growing number of American adults are developing immune reactions to foods they have eaten safely for decades. The reasons are complex, spanning environmental exposures, shifts in gut microbiome health, and changes in immune system regulation. Dr. Rachna Patel explores the science behind this trend and outlines what patients experiencing new food sensitivities should do next.