Blog
Pharmacogenomics, explained by the pharmacists who read the reports
Plain-language writing on CYP2D6 and CYP2C19 metabolizer status, drug gene interactions, antidepressant and statin selection, insurance coverage, and what a pharmacogenomic test can and cannot tell you.

Latest articles
Every article is written or reviewed by a licensed pharmacist at our Dallas laboratory and dated so you can see how current the guidance is.
-

Podocan: PODN Gene
The podn gene encodes a protein called podocan, part of the scaffolding that holds tissues together. It appears in cardiovascular and cancer research, and almost never…
14 min read -

Voriconazole Dosing and Interactions
Voriconazole dosing is unusual among antifungals because two people on the same milligrams can end up with blood levels that differ several times over. Genetics, liver…
14 min read -

Can You Overdose on Xanax? Understanding Risks and Dangers
Can you overdose on Xanax? Yes, and the risk climbs steeply when alprazolam is combined with alcohol, opioids or other sedatives. So the real answer to…
16 min read -

Azithromycin for Bronchitis: Benefits, Risks, and Treatment
Most people asking about azithromycin for bronchitis have had a cough for a week and want it gone. The honest answer is that antibiotics help a…
17 min read -

Tacrolimus Mechanism of Action: Preventions & Side Effects
The tacrolimus mechanism of action is easier to follow than most drug pathways once you see the order of events: the drug grabs a carrier protein,…
14 min read -

Selective Serotonin Reuptake Inhibitors Mnemonic
A serotonin reuptake inhibitors mnemonic is the fastest way to lock the SSRI drug names into memory, but exams and real patients both ask for more…
14 min read -

How Long Does Benzodiazepine Stay in System
How long does benzodiazepine stay in system is really five questions at once: which drug, at what dose, for how long, cleared by which enzyme, and…
15 min read -

Is Amitriptyline Good for Overactive Bladder?
Is amitriptyline good for overactive bladder? For some people it helps, almost always as a second or third choice after the standard bladder drugs, and the…
18 min read -

VRAYLAR: Cariprazine Bipolar Connection
If your prescriber has raised cariprazine for bipolar episodes, it helps to know what makes this medicine unusual before you start. Cariprazine bipolar treatment works slowly,…
14 min read
Have a question an article did not answer?
Talk to a pharmacist before you buy. The consultation is free, takes about twenty minutes, and there is nothing to sign.