This collection presents 50 Pills that start with A, spanning from “Abacavir” to “Azor”. You will find antivirals, antihypertensives, antibiotics, and common OTC medicines among them.
Pills that start with A are oral medications whose names begin with the letter A, including generics and brands. For example, Abacavir became a landmark antiretroviral and helped change HIV treatment in the 1990s.
Below you’ll find the table with Name, Generic/Brand, Primary use, Therapeutic class, Common side effects, Quick notes
Name: The pill’s commonly used name, whether brand or generic, so you can quickly find the entry you need.
Generic/Brand: Indicates whether the listing is a generic or brand name, helping you recognize equivalents and search pharmacy labels.
Primary use: A concise summary of the main medical purpose, so you know which condition the medicine commonly treats.
Therapeutic class: Lists the drug class to show how the medicine works and which other drugs share similar actions.
Common side effects: Three to six frequent adverse effects listed so you can spot typical reactions and discuss concerns with your clinician.
Quick notes: Short practical details such as formulation, common dosing forms, or notable safety flags for quick context.
Pills that start with A
| Name | Generic/Brand | Primary use | Drug class |
|---|---|---|---|
| Aspirin | Generic; Bayer, Ecotrin | Pain, fever, heart attack prevention | NSAID; antiplatelet |
| Acetaminophen | Generic; Tylenol, Panadol | Pain, fever | Analgesic; antipyretic |
| Amoxicillin | Generic; Amoxil, Trimox | Bacterial infections | Penicillin antibiotic |
| Amoxicillin/clavulanate | Generic; Augmentin (brand) | Bacterial infections including resistant strains | Penicillin with beta-lactamase inhibitor |
| Augmentin | Brand; amoxicillin/clavulanate | Bacterial infections including resistant strains | Penicillin with beta-lactamase inhibitor |
| Atorvastatin | Generic; Lipitor | High cholesterol | Statin (HMG‑CoA reductase inhibitor) |
| Amlodipine | Generic; Norvasc | High blood pressure, angina | Dihydropyridine calcium channel blocker |
| Alprazolam | Generic; Xanax | Anxiety, panic disorder | Benzodiazepine |
| Alendronate | Generic; Fosamax | Osteoporosis prevention/treatment | Bisphosphonate |
| Allopurinol | Generic; Zyloprim | Gout prevention, high uric acid | Xanthine oxidase inhibitor |
| Amitriptyline | Generic; Elavil | Depression, neuropathic pain | Tricyclic antidepressant |
| Amiodarone | Generic; Cordarone | Serious heart rhythm disorders | Class III antiarrhythmic |
| Aripiprazole | Generic; Abilify | Schizophrenia, bipolar, adjunct depression | Atypical antipsychotic |
| Abilify | Brand; aripiprazole | Schizophrenia, bipolar, depression adjunct | Atypical antipsychotic |
| Apixaban | Generic; Eliquis | Prevent/treat blood clots, stroke prevention | Direct Factor Xa inhibitor (anticoagulant) |
| Acyclovir | Generic; Zovirax | Herpes virus infections | Antiviral (nucleoside analogue) |
| Abacavir | Generic; Ziagen | HIV treatment (part of combination) | NRTI antiretroviral |
| Adefovir | Generic; Hepsera | Chronic hepatitis B | Nucleotide antiviral |
| Adderall | Brand; amphetamine/dextroamphetamine | ADHD, narcolepsy | CNS stimulant |
| Atomoxetine | Generic; Strattera | ADHD | Norepinephrine reuptake inhibitor |
| Anastrozole | Generic; Arimidex | Breast cancer (postmenopausal) | Aromatase inhibitor |
| Apremilast | Generic; Otezla | Psoriasis, psoriatic arthritis | PDE4 inhibitor |
| Armodafinil | Generic; Nuvigil | Narcolepsy, daytime sleepiness | Wakefulness-promoting agent |
| Azithromycin | Generic; Zithromax | Bacterial respiratory and other infections | Macrolide antibiotic |
| Azathioprine | Generic; Imuran | Autoimmune diseases, transplant rejection prevention | Immunosuppressant antimetabolite |
| Atazanavir | Generic; Reyataz | HIV treatment | Protease inhibitor (antiretroviral) |
| Atenolol | Generic; Tenormin | Hypertension, angina | Beta‑blocker (cardioselective) |
| Acetazolamide | Generic; Diamox | Altitude sickness, glaucoma, edema | Carbonic anhydrase inhibitor |
| Amiloride | Generic; Midamor | Hypertension, edema (potassium-sparing) | Potassium-sparing diuretic |
| Aliskiren | Generic; Tekturna | Hypertension | Direct renin inhibitor |
| Aleve | Brand; naproxen | Pain, inflammation, fever | NSAID |
| Actos | Brand; pioglitazone | Type 2 diabetes | Thiazolidinedione (insulin sensitizer) |
| Aprepitant | Generic; Emend (brand) | Prevent chemotherapy-induced nausea | NK1 receptor antagonist (antiemetic) |
| Amantadine | Generic; Symmetrel | Parkinson’s symptoms, influenza A (historical) | Antiviral/antiparkinsonian |
| Antabuse | Brand; disulfiram | Alcohol dependence (deterrent) | Aldehyde dehydrogenase inhibitor |
| Anzemet | Brand; dolasetron | Nausea and vomiting prevention | 5‑HT3 receptor antagonist (antiemetic) |
| Azilsartan | Generic; Edarbi | Hypertension | Angiotensin II receptor blocker (ARB) |
| Alfuzosin | Generic; Uroxatral | Benign prostatic hyperplasia (BPH) | Alpha‑1 blocker |
| Amoxil | Brand; amoxicillin | Bacterial infections | Penicillin antibiotic |
| Avodart | Brand; dutasteride | Benign prostatic hyperplasia | 5‑alpha reductase inhibitor |
| Avapro | Brand; irbesartan | Hypertension, diabetic kidney protection | Angiotensin II receptor blocker (ARB) |
| Azor | Brand; amlodipine/olmesartan | Hypertension (combination therapy) | Calcium channel blocker + ARB |
| Allegra | Brand; fexofenadine | Allergic rhinitis, urticaria | Second‑generation antihistamine |
| Adipex‑P | Brand; phentermine | Short‑term weight loss aid | Sympathomimetic appetite suppressant |
| Arava | Brand; leflunomide | Rheumatoid arthritis | Disease‑modifying antirheumatic drug (DMARD) |
| Aricept | Brand; donepezil | Alzheimer’s disease cognitive symptoms | Cholinesterase inhibitor |
| Accupril | Brand; quinapril | Hypertension, heart failure | ACE inhibitor |
| Accolate | Brand; zafirlukast | Asthma maintenance | Leukotriene receptor antagonist |
| Aciphex | Brand; rabeprazole | GERD, ulcers | Proton pump inhibitor |
Descriptions
Aspirin
Pain reliever and blood thinner used for pain and to reduce clot risk. Common side effects: stomach upset, heartburn, bleeding, tinnitus, allergic rash.
Acetaminophen
Common over-the-counter pain and fever medicine. Side effects: liver toxicity at high doses, nausea, rash, rare blood disorders.
Amoxicillin
Widely used antibiotic for ear, throat, and chest infections. Side effects: diarrhea, nausea, rash, yeast infections, allergic reaction.
Amoxicillin/clavulanate
Broader penicillin antibiotic used for resistant bacterial infections. Side effects: diarrhea, nausea, rash, elevated liver tests.
Augmentin
Brand name for amoxicillin with clavulanate. Side effects: diarrhea, nausea, abdominal pain, rash, liver enzyme changes.
Atorvastatin
Lowers LDL cholesterol to reduce heart disease risk. Side effects: muscle aches, liver enzyme elevations, GI upset, headache, rare rhabdomyolysis.
Amlodipine
Treats hypertension and chest pain. Side effects: ankle swelling, dizziness, flushing, fatigue, palpitations.
Alprazolam
Fast-acting anxiety medicine. Side effects: drowsiness, dizziness, memory problems, dependence, withdrawal risk.
Alendronate
Prevents bone loss and fractures. Side effects: heartburn, esophagitis if not taken upright, bone/joint pain, rare jaw osteonecrosis.
Allopurinol
Lowers uric acid long-term to prevent gout attacks. Side effects: rash, nausea, liver enzyme rise, rare severe hypersensitivity.
Amitriptyline
Used for depression and nerve pain. Side effects: dry mouth, drowsiness, constipation, blurred vision, weight gain, dizziness.
Amiodarone
Treats life‑threatening arrhythmias. Side effects: thyroid problems, lung toxicity, liver issues, skin discoloration, photosensitivity.
Aripiprazole
Used for psychosis and mood disorders. Side effects: restlessness (akathisia), weight gain, drowsiness, nausea, insomnia.
Abilify
Brand name for aripiprazole. Side effects: akathisia, weight gain, drowsiness, nausea, constipation.
Apixaban
Oral blood thinner for atrial fibrillation and clots. Side effects: bleeding, bruising, anemia, nausea.
Acyclovir
Treats cold sores, genital herpes, shingles. Side effects: nausea, headache, diarrhea, dizziness, rare kidney issues.
Abacavir
Antiretroviral used in HIV regimens. Side effects: hypersensitivity reaction (serious), nausea, rash, fatigue.
Adefovir
Treats hepatitis B virus. Side effects: kidney toxicity, nausea, headache, rare lactic acidosis.
Adderall
Stimulant for attention disorders. Side effects: insomnia, decreased appetite, increased heart rate, anxiety, dry mouth.
Atomoxetine
Non‑stimulant ADHD medicine. Side effects: decreased appetite, nausea, insomnia, dry mouth, dizziness.
Anastrozole
Hormone therapy for estrogen‑positive breast cancer. Side effects: hot flashes, joint pain, bone loss, fatigue.
Apremilast
Oral treatment for inflammatory skin and joint disease. Side effects: diarrhea, nausea, headache, weight loss, mood changes.
Armodafinil
Promotes wakefulness for sleep disorders. Side effects: headache, nausea, anxiety, insomnia, dry mouth.
Azithromycin
Short-course antibiotic for many infections. Side effects: diarrhea, nausea, abdominal pain, possible QT prolongation.
Azathioprine
Suppresses immune system for autoimmune disease or transplant. Side effects: nausea, bone marrow suppression, infection risk, liver toxicity.
Atazanavir
Part of HIV therapy. Side effects: jaundice/hyperbilirubinemia, GI upset, headache, kidney stones risk.
Atenolol
Lowers heart rate and blood pressure. Side effects: fatigue, cold extremities, bradycardia, dizziness, depression.
Acetazolamide
Used for altitude sickness and certain eye/edema conditions. Side effects: tingling, increased urination, altered taste, metabolic acidosis, kidney stones.
Amiloride
Helps reduce fluid without losing potassium. Side effects: hyperkalemia, nausea, dizziness, headache.
Aliskiren
Oral blood pressure drug. Side effects: diarrhea, cough, hyperkalemia, low blood pressure, rare angioedema.
Aleve
OTC pain and anti‑inflammatory pill. Side effects: stomach upset, heartburn, increased blood pressure, kidney effects, bleeding risk.
Actos
Lowers blood sugar by improving insulin sensitivity. Side effects: weight gain, edema, risk of heart failure, bone fracture risk.
Aprepitant
Oral anti‑nausea drug used with chemo. Side effects: fatigue, hiccups, constipation, dizziness.
Amantadine
Used for Parkinson’s and historically influenza A. Side effects: dizziness, insomnia, dry mouth, peripheral edema, hallucinations in elderly.
Antabuse
Causes unpleasant reaction with alcohol to deter drinking. Side effects: drowsiness, metallic taste, rash, liver toxicity.
Anzemet
Oral antiemetic formerly used for chemo/post-op nausea. Side effects: constipation, headache, dizziness, possible QT prolongation.
Azilsartan
Lowers blood pressure via ARB action. Side effects: dizziness, hyperkalemia, hypotension, kidney function changes.
Alfuzosin
Relaxes prostate/bladder neck to improve urine flow. Side effects: dizziness, low blood pressure, ejaculation disorders, headache.
Amoxil
Brand name for amoxicillin. Side effects: diarrhea, nausea, rash, allergic reaction.
Avodart
Reduces prostate size over months. Side effects: decreased libido, erectile dysfunction, ejaculation disorders, breast tenderness.
Avapro
Treats high blood pressure and kidney protection in diabetes. Side effects: dizziness, hyperkalemia, fatigue, cough (rare).
Azor
Combined pill for blood pressure. Side effects reflect both: swelling, dizziness, cough (less likely), hyperkalemia.
Allegra
Non‑sedating allergy pill. Side effects: headache, drowsiness (rare), dry mouth, nausea.
Adipex‑P
Short‑term weight loss medication. Side effects: increased heart rate, insomnia, nervousness, dry mouth, constipation.
Arava
Reduces inflammation in autoimmune arthritis. Side effects: diarrhea, hair loss, liver toxicity, hypertension, infection risk.
Aricept
Used to help memory symptoms in Alzheimer’s. Side effects: nausea, diarrhea, insomnia, muscle cramps, bradycardia.
Accupril
Lowers blood pressure and helps heart function. Side effects: cough, dizziness, high potassium, angioedema (rare).
Accolate
Oral controller for asthma. Side effects: headache, nausea, liver enzyme changes, rare mood changes.
Aciphex
Reduces stomach acid and treats ulcers/GERD. Side effects: headache, nausea, constipation, diarrhea, long‑term fracture risk.