Medicines Beginning With B

19 medicines in the Drug Guide begin with the letter B. Every name links to a plain-language page covering what the medicine is for, its common side effects, its major cautions and — for most — a kidney note.

A B C D E F G H I K L M N O P Q R S T U V W Z

MedicineBrand namesUsed for
BaclofenLioresalMuscle spasticity from multiple sclerosis and spinal cord injury; Severe spasticity treated with a pump implanted in the back
BasiliximabSimulectPreventing early rejection around kidney transplantation; Induction therapy at the time of transplant (hospital)
BeclomethasoneQvar, BeconaseDaily asthma control (inhaler); Nasal allergies (spray)
BelataceptNulojixPreventing organ rejection after kidney transplant; Kidney transplant maintenance as an alternative to calcineurin inhibitors
BelimumabBenlystaLupus; Lupus nephritis (kidney inflammation from lupus)
Bempedoic acidNexletolHigh cholesterol in people who cannot reach goals with statins; High cholesterol in people unable to tolerate statins
BenazeprilLotensinHigh blood pressure; Heart failure, as an add-on in some patients
BenzonatateTessalonRelieving cough from colds; Relieving cough from respiratory infections
Benzoyl peroxideClearasil, PanOxylAcne; Preventing antibiotic resistance when combined with topical antibiotics for acne
BenztropineCogentinDrug-induced movement side effects (from antipsychotics); Parkinson disease symptoms, mainly tremor
BisacodylDulcolaxConstipation; Emptying the bowel before colonoscopy or surgery
Bismuth subsalicylatePepto-BismolDiarrhea and traveler's diarrhea; Upset stomach and indigestion
BisoprololZebetaHigh blood pressure; Heart failure
BrimonidineAlphaganGlaucoma and high pressure inside the eye; Eye redness (low-amount over-the-counter drops)
BudesonidePulmicort, Rhinocort, EntocortDaily asthma control (inhaler and nebulizer); Nasal allergies (spray)
BumetanideBumexFluid buildup in heart failure; Fluid buildup from kidney or liver disease
BuprenorphineSuboxone (with naloxone), Subutex, BelbucaTreatment of opioid use disorder; Moderate to severe chronic pain (certain forms)
BupropionWellbutrin, ZybanDepression; Seasonal affective disorder
BuspironeBuSparGeneralized anxiety disorder; Added to antidepressants for incomplete response, on clinician judgment
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.