Picture this: a doctor prescribes a standard-dose blood thinner after a cardiac event. Six weeks later, a routine check flags dangerously high drug levels — not because anything was done wrong, but because that person's body breaks the drug down far slower than average. Or picture the opposite: someone started on a common antidepressant, given the standard dose, week after week with no improvement — not because the diagnosis was wrong, but because their genetics mean that particular drug barely gets metabolized into its active form in the first place.
Neither of these is a hypothetical. They're the kind of outcome pharmacogenomic testing exists to catch before it happens, not after.
That's not bad luck. Often, it's genetics — and it's exactly what MedicaMap is built to uncover.
First, let's be clear about what this test is (and isn't)
MedicaMap doesn't tell you which medications you need, and it's not a diagnosis of anything. What it does is tell you how your body is genetically likely to handle specific medications — whether you'll process a drug faster or slower than average, and whether that changes how well it works or how likely you are to experience side effects. Think of it as a heads-up for you and your doctor, not a replacement for either of you.
One thing worth saying plainly, because MedicaMap says it too: never change or stop a medication based on this report alone. Every result comes with the same instruction — discuss it with your physician, who makes the actual call on your treatment.
If you want the broader science behind this before diving into the specifics, Pharmacogenomics: Does Your Medicine Work? and The Role of Pharmacogenomics in Personalized Medicine cover the underlying concept in more depth than we will here.
How to read your results: the three-color system
Every drug in your report gets one of three ratings:
- 🟩 Use as Directed — no current genetic red flags for this medication.
- 🟨 Use with Caution — your genetics suggest the drug may work differently for you (faster or slower breakdown, altered effectiveness). Worth a conversation with your doctor before starting or continuing it.
- 🟥 Action Recommended — your genetic result points to a higher chance of an adverse reaction or reduced effectiveness. This is the category where a dosage adjustment or alternate medication is most likely to come up in conversation with your physician.
Every single interpretation is backed by a real evidence source — FDA labeling, CPIC (Clinical Pharmacogenetics Implementation Consortium) guidelines, or published clinical literature. This isn't a guess dressed up as science; it's the same kind of gene-drug evidence hospitals and pharmacists already use, just made accessible to you directly.
What's actually covered
MedicaMap doesn't stop at one or two drug classes — it spans the medications people are actually prescribed across a wide range of specialties:
Cardiology. Beta blockers, statins, anticoagulants like warfarin, antiplatelets like clopidogrel, and blood pressure medications. This is one of the most common places genetics quietly changes outcomes — for instance, how you metabolize warfarin directly affects bleeding risk, which is exactly the kind of thing worth knowing before a dose is set by trial and error. (We touched on the CYP2C19 gene behind a lot of this in How 5 Key Genes Dictate Your Daily Health, if you want the gene-level detail.)
Diabetology. Metformin and sulfonylurea medications. Genetic variants can affect how well these lower blood sugar for you specifically — useful to know if a "standard" diabetes medication isn't moving your numbers the way it should.
Psychiatry. SSRIs, tricyclic antidepressants, antipsychotics, and anxiolytics. Mental health medications are notorious for trial-and-error dosing — genetics is a big part of why the first antidepressant someone tries often isn't the one that works. We've written more on this specifically in Why Your Antidepressant Might Not Be Working — And How Your DNA Can Help and MedicaMap: A Pharmacogenomic Tool to Optimize Psychiatric Drug Therapy.
Neurology. Anticonvulsants and Alzheimer's medications like donepezil and memantine — relevant for anyone managing epilepsy or supporting a family member through dementia care.
Infectious Disease. Antiviral, antituberculosis, and antibiotic medications, including how you're likely to respond to hepatitis C treatment regimens.
Oncology. Chemotherapy agents and hormone therapies like tamoxifen, where genetic response can meaningfully affect treatment planning.
Immunology. Immunosuppressants and steroid medications, relevant for anyone managing autoimmune conditions.
General Medicine. Everyday medications — NSAIDs, opioids, proton pump inhibitors (like omeprazole) for acid reflux — the medications most people encounter at some point regardless of any chronic condition. This is territory we've covered in more depth in Why Painkillers Work Differently for Everyone: Your DNA Explains, if pain medication response is what brought you here.
That's not an exhaustive list — MedicaMap's panel covers 165+ medications across 12 specialties — but it gives you a sense of the breadth. This isn't a niche test for one condition; it's built for anyone managing ongoing medication, or anyone who wants that information on record before they need it.
How it works
- Sample collection. A simple saliva sample at home, no clinic visit needed.
- Lab analysis. Your sample is analyzed against a panel of genes known to affect drug metabolism and response — the same genes referenced in FDA labeling and CPIC guidelines.
- Your report. You get a clear, color-coded breakdown across every medication category tested, each with the underlying gene, what it means, and the evidence behind it.
- Genetic counseling. A certified genetic counselor walks you through your results and helps you understand what's worth bringing to your doctor.
Who should actually consider this
- Anyone managing a chronic condition on long-term medication — cardiovascular disease, diabetes, mental health conditions, autoimmune disorders
- Anyone who's had an unexpected reaction to a medication in the past, or where a "standard" medication just didn't work
- People supporting a parent or family member through polypharmacy (multiple medications at once), where drug interactions and individual metabolism matter even more
- Anyone about to start a new long-term medication who'd rather have this information before the prescription than after a bad reaction
Where to go from here
If you've ever been told "let's just try this and see how it goes" about a medication, MedicaMap exists to make that guesswork smaller. If you'd like to see what this actually looks like before deciding anything, you can view the full MedicaMap test details and request a sample report — no commitment required, just a clear look at the format and depth of insight before you decide if it's right for you.
We're building out deeper looks at specific categories next — starting with cardiology, since heart medications are some of the most common and most genetically variable in how people respond to them. If you're on blood pressure medication, a statin, or a blood thinner, that one's worth watching for.
Want to go deeper on the science of how genes affect medicine? The Genomics & Medicine learning module on our learning hub breaks down pharmacogenomics in plain language — a good starting point if you'd like to understand the "why" behind your results before your counselling session.
Full list of medications covered
For anyone who wants the complete picture, here's every medication in the MedicaMap panel, organized by specialty:
Cardiology Beta blockers: Carvedilol, Metoprolol, Propranolol, Atenolol Statins: Rosuvastatin, Atorvastatin, Simvastatin, Lovastatin, Pitavastatin, Pravastatin, Fluvastatin Anticoagulants: Acenocoumarol, Warfarin, Phenprocoumon Antiarrhythmics: Propafenone Vasodilators: Isosorbide and Hydralazine (BiDil) Antiplatelets: Clopidogrel, Prasugrel, Ticagrelor Antihypertensives: Amlodipine, Captopril, Hydrochlorothiazide, Lisinopril
Diabetology Sulfonylurea antidiabetics: Chlorpropamide, Glyburide, Glimepiride, Glipizide, Gliclazide, Gliquidone Biguanide: Metformin
Psychiatry Antipsychotics: Thioridazine, Pimozide, Perphenazine, Iloperidone, Olanzapine, Risperidone, Clozapine, Aripiprazole, Zuclopenthixol, Chlorpromazine, Lurasidone, Amisulpride, Paliperidone, Quetiapine, Haloperidol, Trifluoperazine SSRIs: Fluoxetine, Venlafaxine, Sertraline, Citalopram, Paroxetine, Fluvoxamine, Escitalopram, Vortioxetine Tricyclic antidepressants: Trimipramine, Protriptyline, Nortriptyline, Imipramine, Doxepin, Desipramine, Amitriptyline, Clomipramine Aminoketone antidepressant: Bupropion Selective norepinephrine reuptake inhibitor: Atomoxetine Anxiolytics: Diazepam, Clobazam, Clonazepam, Lorazepam Opioid antagonist: Naltrexone Eugeroic: Modafinil Tetracyclic antidepressant: Mirtazapine CNS stimulant: Amphetamine
Infectious Disease Antivirals: Telaprevir, Sofosbuvir, Simeprevir, Ribavirin, Peginterferon alpha, Boceprevir, Abacavir, Nevirapine, Atazanavir, Efavirenz Antimalarials: Chloroquine, Primaquine, Quinine sulphate Antifungal: Voriconazole Antibacterials: Dapsone, Mafenide, Nalidixic acid, Nitrofurantoin Antibiotics: Flucloxacillin, Amikacin, Kanamycin, Tobramycin, Erythromycin Antituberculosis drugs: Isoniazid, Pyrazinamide, Ethambutol, Rifampin
Neurology Anticonvulsants: Oxcarbazepine, Phenytoin, Carbamazepine, Valproic acid, Lamotrigine, Brivaracetam, Fosphenytoin Acetylcholinesterase inhibitors: Galantamine, Rivastigmine, Memantine, Donepezil
Urology Urate oxidases: Rasburicase, Pegloticase
Immunology Immunosuppressants: Etanercept, Methotrexate, Tacrolimus, Cyclosporine, Siponimod Steroids: Dexamethasone, Fluticasone, Budesonide, Triamcinolone
Toxicology Antidotes: Sodium nitrite, Succimer
Oncology Antimetabolites: Capecitabine, 5-Fluorouracil, Mercaptopurine, Thioguanine Platinum-based chemotherapeutic: Cisplatin Kinase inhibitor therapeutics: Dabrafenib, Sunitinib Immunosuppressants: Azathioprine, Thiopurines, Cyclophosphamide Selective estrogen receptor modulator: Tamoxifen Anthracycline: Daunorubicin Antineoplastic: Tegafur Immunomodulator: Lenalidomide Non-steroidal aromatase inhibitors: Anastrozole, Letrozole
General Medicine NSAIDs: Celecoxib, Flurbiprofen, Piroxicam, Lornoxicam, Meloxicam, Ibuprofen Opioids: Tramadol, Codeine, Methadone, Hydrocodone Bronchodilator: Salbutamol Muscle relaxants: Succinylcholine, Carisoprodol Laxative: PEG3350 Analgesic: Acetaminophen Anaesthetics: Desflurane, Enflurane, Halothane, Isoflurane, Sevoflurane, Methoxyflurane Anti-asthmatic: Salmeterol Antihistamine: Montelukast Antiemetic: Metoclopramide 5-HT3 receptor antagonist: Ondansetron Antitussive: Dextromethorphan Bisphosphonate: Alendronate
Hematology Eltrombopag
Gastroenterology Proton pump inhibitors: Omeprazole, Esomeprazole, Lansoprazole, Pantoprazole, Rabeprazole, Dexlansoprazole
Others Eliglustat, Dextromethorphan/quinidine (combination product, distinct from the plain antitussive above), Methylene blue, Tetrabenazine, Tolterodine
Know How Your Body Responds to Medication — Before You Need to Find Out the Hard Way
MedicaMap covers 165+ medications across 12 specialties, with results backed by FDA labeling and CPIC guidelines — processed in NABL- and CAP-accredited labs, with a certified genetic counselling session included to help you and your doctor act on the findings.
