New Hope for Lyme Disease Prevention

Blacklegged_tick

Lyme disease is caused by bacteria (Borrelia burgdorferi, Borrelia afzelii, and Borrelia garinii) that are delivered by a bite from an infected tick (Figure 1). The Centers for Disease Control (1) recommend a preventative (prophylactic) single dose of the antibiotic doxycycline for adults bitten by a mosquito with a high probability of carrying the Lyme-causing … Read more

Why is heartburn common at night?

Sun_and_Moon

I have known many people, including my own mother, who suffered from heartburn or gastro-esophageal reflux disease (GERD). Frequently, they complain of pain at night and have wondered why they would have pain at night when they are not eating. The simple answer is that there is a surge of acid production by the stomach … Read more

HSV-Infected Skin Signals to Nerves

hsv1

Extracellular signaling molecules mediate the communication between cells or tissues. These can be small proteins (peptides), large proteins, lipids, protein and lipid complexes, carbohydrates, gases, amino acids, nucleic acids, amino acids, and various small organic molecules. These signals can function locally, affecting cells that are near the cells producing the signal, or can function systemically … Read more

Why put epinephrine in local anesthetics?

dental_procedure

A recent conversation inspired me to start the series: “In case you were wondering.” This is the first post in the series. We were discussing how people can exhibit different sensitivities to medicines, either the desired effect or side effects. The example that my relative used was the difference in children’s responses to local anesthetics, … Read more

Drug Repurposing: Preserving Vision with New Drug Combinations

medicines

Overcoming side effects and toxicity of currently FDA-approved is possible. Sometimes combining multiple drugs with different mechanisms of action lets doctors use less of each drug to achieve the desired effect and limit or avoid off-target or dose-limiting effects. This is a common strategy used for anesthesia. Doctors give a “cocktail” of drugs with different … Read more