Here you’ll find 15 Pills that start with U that begin with U, organized from “Ubrogepant” to “Ursodiol”. Many treat common conditions like migraines, gallstones, and infections.

Pills that start with U are oral medications whose names begin with the letter U. Notable examples include Ubrogepant, a newer migraine therapy, and ursodiol, a longtime bile medicine.

Below you’ll find the table with Name, Primary use, Therapeutic class, Common side effects, Formulation (oral), and References.

Name: The drug name shows the generic and common brand names so you can recognize the pill in prescriptions or packaging.

Primary use: A short description of the main condition treated so you quickly know why the medicine is prescribed.

Therapeutic class: The drug class places the medication among similar treatments, helping you compare effects and typical uses.

Common side effects: Lists three to six frequent adverse effects so you can watch for symptoms and discuss concerns with a clinician.

Formulation (oral): Specifies tablet or capsule form and typical strengths so you know how the medicine is taken and available options.

References: Links to authoritative drug databases and monographs let you verify details and find dosing or safety information quickly.

Pills that start with U

NameGeneric/BrandDosage forms & typical strengthsTherapeutic class / primary use
UloricBrand: febuxostatOral tablet: 40 mg, 80 mgXanthine oxidase inhibitor; chronic gout prevention
UbrogepantGeneric: ubrogepantOral tablet: 50 mg, 100 mgCGRP receptor antagonist; acute migraine treatment
UrsodiolGeneric: ursodiol (ursodeoxycholic acid)Oral capsule/tablet: 250 mg, 300 mgBile acid; dissolves certain gallstones, treats cholestatic liver disease
UrsoBrand: ursodiolOral tablet: 300 mgBile acid (brand of ursodiol); gallstones, biliary disease
UcerisBrand: budesonide (MMX)Oral extended-release tablet: 9 mgCorticosteroid; induction therapy for mild–moderate ulcerative colitis
UkoniqBrand: umbralisibOral tablet: 200 mgKinase inhibitor (PI3K/CK1ε); certain lymphomas
UpadacitinibGeneric: upadacitinibOral tablet: 15 mg, 30 mgJAK inhibitor; rheumatoid arthritis, psoriatic arthritis, others
UroxatralBrand: alfuzosinOral extended-release tablet: 10 mgAlpha-1 blocker; benign prostatic hyperplasia (BPH)
UltramBrand: tramadol hydrochlorideOral tablet: 50 mg (IR); ER tablets 100 mgOpioid (centrally acting) analgesic; moderate pain
UltracetBrand: tramadol/acetaminophenOral tablet: 37.5 mg/325 mgCombination opioid analgesic; moderate pain
UnisomBrand: doxylamine succinateOral tablet: 25 mgFirst-generation antihistamine; short-term insomnia, antiemetic use in pregnancy
Urocit-KBrand: potassium citrateOral tablet: typically 10 mEqUrine alkalinizer; prevent kidney stones, treat certain metabolic acidosis
Ulipristal acetateGeneric: ulipristal acetateOral tablet: 30 mg (single dose)Selective progesterone receptor modulator; emergency contraception
UrecholineBrand: bethanecholOral tablet: 10 mg, 25 mgCholinergic agonist; urinary retention (post-op, neurogenic)
UdenafilGeneric: udenafilOral tablet: 50 mg, 100 mgPDE5 inhibitor; erectile dysfunction (marketed in some countries)

Descriptions

Uloric
Prescription pill for lowering uric acid in gout. Common side effects: liver enzyme rise, rash, nausea, headache, joint pain.
Ubrogepant
Taken at migraine onset to relieve pain and light/sound sensitivity. Common side effects: nausea, dizziness, dry mouth, somnolence, rare hypersensitivity.
Ursodiol
Used to improve bile flow and dissolve cholesterol gallstones. Side effects: diarrhea, constipation, nausea, abdominal pain, rash.
Urso
Brand-name ursodiol for liver/gallstone conditions. Common side effects: diarrhea, nausea, abdominal pain, constipation, dizziness.
Uceris
Targets inflammation in the colon with lower systemic steroid effects. Side effects: headache, nausea, upper respiratory infection, abdominal pain, steroid-related effects.
Ukoniq
Oral cancer drug for select lymphomas. Common side effects: diarrhea, infection, neutropenia, fatigue, elevated liver tests.
Upadacitinib
Once-daily pill for inflammatory autoimmune diseases. Side effects: upper respiratory infection, nausea, headache, increased lipid levels, risk of serious infection.
Uroxatral
Relaxes prostate/bladder neck to improve urine flow. Side effects: dizziness, low blood pressure, fatigue, headache, ejaculation problems.
Ultram
Used for short-term moderate pain relief. Common side effects: dizziness, nausea, constipation, drowsiness, risk of dependence and serotonin interactions.
Ultracet
Combines tramadol with acetaminophen for pain relief. Side effects: nausea, dizziness, constipation, drowsiness, risk of liver injury (acetaminophen).
Unisom
OTC sleep aid (and used in pregnancy nausea combos). Side effects: drowsiness, dry mouth, dizziness, blurred vision, urinary retention.
Urocit-K
Alkalinizes urine to reduce stone formation. Side effects: stomach upset, nausea, diarrhea, hyperkalemia, abdominal pain.
Ulipristal acetate
Single-dose emergency contraceptive in some countries. Side effects: headache, nausea, abdominal pain, dizziness, fatigue.
Urecholine
Stimulates bladder emptying. Side effects: sweating, salivation, abdominal cramps, diarrhea, bradycardia, flushing.
Udenafil
Oral treatment for erectile dysfunction. Side effects: headache, flushing, nasal congestion, dizziness, dyspepsia.
If you think there is a missing term, let us know using the contact form.