This list includes 66 Medications that start with D, from “Dabigatran” to “Dyclonine”. They include widely used antibiotics, heart and blood medicines, pain relievers, and topical agents.

Medications that start with D are generic and brand drug names commonly prescribed around the world. Notable examples include dabigatran, an anticoagulant, and doxycycline, a widely used antibiotic.

Below you’ll find the table with the following columns: ‘Generic name’, ‘Drug class’, ‘Primary uses’, and ‘Common side effects’.

Generic name: Shows the drug’s standard name so you can match prescriptions, identify active ingredients, and recognize medicines across brands and regions.

Drug class: Lists the medication’s pharmacologic or therapeutic group so you can see related drugs and understand general effects at a glance.

Primary uses: Summarizes typical conditions treated so you can quickly determine whether a medicine addresses infection, heart issues, pain, or other needs.

Common side effects: Highlights frequent adverse reactions so you know what reactions to expect and which symptoms may need further attention.

Last updated: September 28, 2025. Medical disclaimer: This list is for informational purposes only and does not replace professional medical advice.

Medications that start with D

NameBrandNamesDrugClassTypicalDose
DabigatranPradaxaDirect oral anticoagulant (DOAC)110–150 mg PO twice daily
DapagliflozinFarxigaSGLT2 inhibitor (antidiabetic)5–10 mg PO once daily
Darbepoetin alfaAranespErythropoiesis-stimulating agent25–500 mcg SC/IV weekly
DarunavirPrezistaProtease inhibitor (antiretroviral)600–800 mg PO daily (with booster)
DarifenacinEnablexAntimuscarinic for bladder overactivity7.5–15 mg PO once daily
DapsoneAczoneAntibacterial/anti-inflammatory100 mg PO once daily
DeferasiroxExjade,JadenuIron chelator20–40 mg/kg PO daily
DeferoxamineDesferalIron chelator20–60 mg/kg IV/IM daily infusion
DegarelixFirmagonGnRH receptor antagonist (prostate cancer)240 mg SC loading, then 80 mg SC monthly
DelafloxacinBaxdelaFluoroquinolone antibiotic300–450 mg PO/IV twice daily
DesfluraneSupraneInhaled volatile anestheticInhaled vapor; MAC about 6%
DesipramineNorpraminTricyclic antidepressant75–200 mg PO daily
DesloratadineClarinex,AeriusSecond-generation antihistamine5 mg PO once daily
DesmopressinDDAVPVasopressin analog10–40 mcg intranasal or 0.05–0.4 mg PO daily
DesvenlafaxinePristiqSNRI antidepressant50–100 mg PO once daily
DexamethasoneDecadronSystemic corticosteroid4–8 mg PO/IV daily
DexlansoprazoleDexilantProton-pump inhibitor30–60 mg PO once daily
DexmedetomidinePrecedexAlpha-2 agonist sedative0.2–0.7 mcg/kg/hr IV infusion
DextromethorphanDelsymAntitussive10–30 mg PO every 4–6 hours; max 120 mg/day
DiazepamValiumBenzodiazepine anxiolytic2–10 mg PO 2–4 times daily
DiclofenacVoltarenNSAID (oral/topical)50–150 mg PO daily (divided)
DicyclomineBentylAntimuscarinic antispasmodic20 mg PO 4 times daily
DigoxinLanoxinCardiac glycoside0.125–0.25 mg PO daily (after loading)
DiltiazemCardizemNon-dihydropyridine calcium channel blocker120–360 mg PO daily (ER)
DimenhydrinateDramamineAntiemetic/antihistamine50–100 mg PO every 4–6 hours
DivalproexDepakoteAnticonvulsant/mood stabilizer500–2,000 mg PO daily (divided)
DobutamineDobutrexInotropic agent2–20 mcg/kg/min IV infusion
DopamineIntropinCatecholamine vasopressor2–20 mcg/kg/min IV infusion
DorzolamideTrusoptCarbonic anhydrase inhibitor (eye)1% ophthalmic one drop TID
DoxazosinCarduraAlpha-1 blocker1–8 mg PO once daily
DocusateColaceStool softener (emollient)50–400 mg PO daily
DolutegravirTivicayIntegrase inhibitor (antiretroviral)50 mg PO once daily
DonepezilAriceptCholinesterase inhibitor5–10 mg PO nightly
DoripenemDoribaxCarbapenem antibiotic500 mg IV every 8 hours
DoxycyclineVibramycinTetracycline antibiotic100 mg PO/IV twice daily
DuloxetineCymbaltaSNRI antidepressant30–60 mg PO once daily
DutasterideAvodart5-alpha-reductase inhibitor0.5 mg PO once daily
DronabinolMarinolSynthetic cannabinoid2.5–10 mg PO up to TID
DrospirenoneYasmin (component)Progestin (contraceptive component)3 mg PO daily (with estrogen)
DulaglutideTrulicityGLP-1 receptor agonist0.75–1.5 mg SC weekly
DenosumabProlia,XgevaRANKL inhibitor (monoclonal antibody)60 mg SC every 6 months (Prolia)
DaclatasvirDaklinzaNS5A inhibitor (HCV antiviral)60 mg PO once daily (with other antivirals)
DaptomycinCubicinCyclic lipopeptide antibiotic4–6 mg/kg IV once daily
DalteparinFragminLow-molecular-weight heparin5,000 IU SC daily (prophylaxis)
DanazolDanocrineAndrogenic steroid200–400 mg PO daily
DexrazoxaneZinecardCardioprotectant/chelatorIV prior to anthracycline chemo; dosing per protocol
DeferiproneFerriproxOral iron chelator75–100 mg/kg/day PO divided
Dimethyl fumarateTecfideraImmunomodulator for MS120 mg PO twice daily then 240 mg PO twice daily
DoxepinSinequanTCA antidepressant/antipruritic25–150 mg PO daily
DoxorubicinAdriamycinAnthracycline chemotherapy60–75 mg/m2 IV per cycle
DyclonineDycloneTopical anestheticTopical solution/lozenge per label
DoxylamineUnisomFirst-generation antihistamine/sleep aid25 mg PO at bedtime
DemeclocyclineDeclomycinTetracycline antibiotic300–600 mg PO daily (divided)
DabrafenibTafinlarBRAF kinase inhibitor (oncology)150 mg PO twice daily
DaratumumabDarzalexAnti-CD38 monoclonal antibody16 mg/kg IV weekly then per schedule
DecitabineDacogenHypomethylating agent (oncology)15–20 mg/m2 IV daily for 3–5 days
DiethylcarbamazineHetrazanAntiparasitic (filariasis)6 mg/kg PO daily for 12 days
DiphenoxylateLomotil (with atropine)Antidiarrheal opioid derivative5 mg PO up to 4 times daily (with atropine)
DiphenhydramineBenadrylFirst-generation antihistamine25–50 mg PO every 4–6 hours
DipyridamolePersantineAntiplatelet/vasodilator200–400 mg PO daily (divided)
DisopyramideNorpaceClass IA antiarrhythmic100–400 mg PO daily (divided)
DoxercalciferolHectorolVitamin D analog1–4 mcg PO/IV daily or thrice weekly
DronedaroneMultaqClass III antiarrhythmic400 mg PO twice daily
DroperidolInapsineAntiemetic/antipsychotic0.625–2.5 mg IV for nausea
DicloxacillinDynapenAnti-staphylococcal penicillin250–500 mg PO every 6 hours
DocetaxelTaxotereTaxane chemotherapy75–100 mg/m2 IV per cycle

Descriptions

Dabigatran
Oral anticoagulant for stroke prevention in atrial fibrillation and VTE; bleeding is main risk, reversible with idarucizumab.
Dapagliflozin
Lowers blood sugar and helps heart failure/kidney outcomes; can cause genital infections and dehydration.
Darbepoetin alfa
Treats anemia from CKD or chemo; raises hemoglobin, risk of hypertension and clotting.
Darunavir
Used for HIV treatment with boosting agent; GI side effects, rash, liver enzyme changes.
Darifenacin
Treats overactive bladder symptoms; can cause dry mouth, constipation, blurred vision.
Dapsone
Used for dermatitis herpetiformis, leprosy, acne; can cause hemolysis, methemoglobinemia, rash.
Deferasirox
Oral iron chelator for chronic iron overload; can cause kidney, liver problems, GI upset.
Deferoxamine
Parenteral chelator for acute/chronic iron overload; infusion reactions, ototoxicity, visual changes.
Degarelix
Rapidly lowers testosterone for advanced prostate cancer; injection-site reactions, hot flashes.
Delafloxacin
Treats certain skin and respiratory infections; risks include tendonitis, neuropathy, QT changes.
Desflurane
Used for general anesthesia; rapid awakening, airway irritation, hypotension at induction.
Desipramine
Used for depression and neuropathic pain; anticholinergic effects, cardiac arrhythmia risk in overdose.
Desloratadine
Relieves allergic symptoms with minimal sedation; headaches and dry mouth possible.
Desmopressin
Treats diabetes insipidus, nocturia, certain bleeding disorders; can cause hyponatremia.
Desvenlafaxine
Used for depression and anxiety; may cause nausea, insomnia, sexual dysfunction, blood pressure rise.
Dexamethasone
Anti-inflammatory and immunosuppressant for many conditions; side effects include hyperglycemia, infection risk, mood changes.
Dexlansoprazole
Treats GERD and erosive esophagitis; can cause headache, diarrhea, long-term fracture/ B12 concerns.
Dexmedetomidine
ICU sedation and procedural sedation; causes bradycardia and hypotension.
Dextromethorphan
OTC cough suppressant; generally safe but can cause dizziness or misuse at high doses.
Diazepam
Used for anxiety, seizures, muscle spasm; sedation, dependence, respiratory depression in overdose.
Diclofenac
Treats pain and inflammation; GI bleeding, cardiovascular risk, kidney effects possible.
Dicyclomine
Used for irritable bowel syndrome spasms; causes dry mouth, blurred vision, urinary retention.
Digoxin
Treats heart failure and atrial fibrillation; narrow therapeutic index, risk of toxicity with nausea, arrhythmias.
Diltiazem
Used for hypertension, angina, rate control in AF; bradycardia, edema, constipation.
Dimenhydrinate
Relieves motion sickness and vertigo; sedation and anticholinergic effects common.
Divalproex
Used for seizures, bipolar disorder, migraine prevention; liver toxicity and teratogenicity risks.
Dobutamine
Short-term IV support for heart failure/cardiogenic shock; can cause arrhythmias, BP changes.
Dopamine
Used in shock for perfusion support; arrhythmias, ischemia at high doses.
Dorzolamide
Topical for glaucoma to lower intraocular pressure; eye irritation and bitter taste.
Doxazosin
Treats hypertension and BPH; can cause dizziness, orthostatic hypotension, first-dose syncope.
Docusate
Used to soften stools and prevent constipation; generally well tolerated, mild cramping.
Dolutegravir
Core drug for HIV therapy; well tolerated, possible insomnia and small weight gain.
Donepezil
Used for Alzheimer dementia to modestly improve cognition; nausea, vivid dreams, bradycardia possible.
Doripenem
Broad-spectrum IV antibiotic for serious infections; seizure risk in predisposed patients.
Doxycycline
Used for many infections and malaria prophylaxis; photosensitivity, GI upset, tooth discoloration in kids.
Duloxetine
Treats depression, anxiety, neuropathic pain; nausea, dry mouth, increased sweating, blood pressure changes.
Dutasteride
Treats BPH by shrinking prostate; sexual dysfunction and teratogenic risk for male fetus exposure.
Dronabinol
Used for chemo-induced nausea and appetite stimulation; can cause dizziness, euphoria, dissociation.
Drospirenone
Progestin used in combined oral contraceptives; risk of blood clots, hyperkalemia in some.
Dulaglutide
For type 2 diabetes, promotes weight loss and glucose control; GI side effects common.
Denosumab
Treats osteoporosis and bone metastases; risk of hypocalcemia and rare jaw osteonecrosis.
Daclatasvir
Used for hepatitis C in combination regimens; well tolerated, drug interactions important.
Daptomycin
Treats Gram-positive bloodstream and skin infections; can cause muscle toxicity, monitor CK.
Dalteparin
Anticoagulant for VTE prophylaxis/treatment; bleeding risk, requires dose adjustment in renal impairment.
Danazol
Used for endometriosis and hereditary angioedema; weight gain, acne, voice changes, hepatic effects.
Dexrazoxane
Used to reduce anthracycline heart damage; can cause myelosuppression and infusion reactions.
Deferiprone
Treats iron overload when others inadequate; risk of agranulocytosis and liver injury.
Dimethyl fumarate
Reduces relapse rate in multiple sclerosis; flushing and GI upset common, rare lymphopenia.
Doxepin
Used for depression, insomnia, severe itching; anticholinergic effects and cardiac concerns in overdose.
Doxorubicin
Effective chemotherapy with risk of cardiotoxicity, myelosuppression, hair loss.
Dyclonine
Local anesthetic for throat/mouth procedures; local numbness, rare allergic reactions.
Doxylamine
Used for short-term insomnia and in pregnancy with pyridoxine; sedation and anticholinergic effects.
Demeclocycline
Used for SIADH and infections; causes photosensitivity and kidney toxicity, contraindicated in pregnancy.
Dabrafenib
Targeted therapy for BRAF-mutant melanoma; fever, skin reactions, liver enzyme elevations.
Daratumumab
Used for multiple myeloma; infusion reactions, immunosuppression, interference with blood testing.
Decitabine
Used for myelodysplastic syndromes and AML; myelosuppression and infection risk.
Diethylcarbamazine
Treats filarial infections; may provoke inflammatory reactions as parasites die.
Diphenoxylate
Reduces diarrhea motility; risk of constipation and opioid-like effects at high doses.
Diphenhydramine
Treats allergy and insomnia; sedation, anticholinergic effects, paradoxical agitation in children.
Dipyridamole
Used with aspirin for stroke prevention and in cardiac stress tests; headache and hypotension possible.
Disopyramide
Treats ventricular arrhythmias; anticholinergic effects and negative inotropy risk.
Doxercalciferol
Used in secondary hyperparathyroidism; monitor calcium and phosphate, risk of hypercalcemia.
Dronedarone
Used for AF rhythm control; contraindicated in severe heart failure, liver toxicity reported.
Droperidol
Used for severe nausea and agitation; QT prolongation risk, monitor ECG in high-risk patients.
Dicloxacillin
Treats MSSA skin and soft tissue infections; GI upset and allergic reactions possible.
Docetaxel
Used for breast, lung, prostate cancers; causes neutropenia, fluid retention, neuropathy.
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