This list includes 12 Pills that start with Q, from “Qelbree” to “Quinine”. They are mostly oral formulations used for conditions such as ADHD, malaria, pain, and cardiovascular symptoms worldwide.

Pills that start with Q are medicines whose brand or common names begin with the letter Q. Quinine, one notable example, comes from cinchona bark and shaped early global treatment of malaria.

Below you’ll find the table with Name, Generic name, Primary use, Drug class, Common side effects, and Notes.

Name: The brand or commonly used pill name so you quickly recognize the product on labels and prescriptions.

Generic name: The active ingredient listed so you can match different brands that contain the same medication.

Primary use: A short description of the main therapeutic purpose, helping you spot what condition the pill treats.

Drug class: The pharmacological group that indicates how the medicine works and helps compare related treatments and options.

Common side effects: Typical adverse effects reported for patients, helping you weigh common tolerability issues before asking a clinician.

Notes: Additional details such as dosing forms, notable cautions, or regional brand differences that help interpret the table entries.

Pills that start with Q

NameGeneric/BrandPrimary useDrug class
Quetiapinequetiapine (Seroquel)Schizophrenia, bipolar, adjunct depressionAtypical antipsychotic
Quazepamquazepam (Doral)Short-term insomniaBenzodiazepine hypnotic
Quinaprilquinapril (Accupril)High blood pressure, heart failureACE inhibitor
Quinidinequinidine sulfate (Quinidex)**Certain abnormal heart rhythmsClass IA antiarrhythmic
Quininequinine sulfate (Qualaquin)Malaria treatment (historically leg cramps off-label)Antimalarial
Quinacrinequinacrine (mepacrine)Antiparasitic (rare use: giardiasis, historical antimalarial)Acridine antiprotozoal
Qsymiaphentermine/topiramate (Qsymia)Chronic weight managementSympathomimetic + anticonvulsant combo
Qudexy XRtopiramate (Qudexy XR)Epilepsy, migraine preventionAnticonvulsant
Qelbreeviloxazine ER (Qelbree)Attention‑deficit/hyperactivity disorder (ADHD)Non-stimulant NRI (viloxazine)
Qterndapagliflozin/saxagliptin (Qtern)Type 2 diabetesSGLT2 inhibitor + DPP‑4 inhibitor combo
Qlairaestradiol valerate/dienogest (Qlaira)Contraception, menstrual regulationCombined oral contraceptive
Quinapril/HCTZquinapril + hydrochlorothiazide (generic)High blood pressureACE inhibitor + thiazide diuretic combo

Descriptions

Quetiapine
Treats schizophrenia and bipolar disorder; atypical antipsychotic. Common side effects: drowsiness, weight gain, dry mouth, dizziness, constipation. (DailyMed, FDA)
Quazepam
Used short-term for insomnia; benzodiazepine hypnotic. Common side effects: drowsiness, dizziness, headache, memory problems, coordination issues. (DailyMed)
Quinapril
Lowers blood pressure and helps heart failure; ACE inhibitor. Common side effects: cough, dizziness, elevated potassium, low blood pressure, headache. (BNF, FDA)
Quinidine
Treats some arrhythmias; Class IA antiarrhythmic. Common side effects: diarrhea, nausea, tinnitus, headache, lightheadedness (cinchonism). (DailyMed)
Quinine
Used for malaria; antimalarial tablet. Common side effects: tinnitus, headache, nausea, visual disturbances, low blood sugar. (FDA)
Quinacrine
Oral antiparasitic used in select cases; acridine derivative. Common side effects: nausea, headache, skin discoloration, dizziness, rash. (WHO literature)
Qsymia
Prescription weight-loss capsule combining stimulant and topiramate. Common side effects: dry mouth, constipation, insomnia, paresthesia, increased heart rate. (FDA)
Qudexy XR
Extended-release topiramate capsule for seizures and migraines. Common side effects: dizziness, fatigue, weight loss, tingling, cognitive slowing. (FDA)
Qelbree
Non-stimulant ADHD capsule (viloxazine ER). Common side effects: sleepiness, decreased appetite, irritability, nausea, fatigue. (FDA)
Qtern
Oral diabetes tablet combining SGLT2 and DPP‑4 actions. Common side effects: genital/urinary infections, nasopharyngitis, headache, risk hypoglycemia with insulin. (FDA)
Qlaira
Combined birth-control tablet for contraception and cycle control. Common side effects: nausea, headache, breast tenderness, irregular bleeding, weight changes. (EMA)
Quinapril/HCTZ
Tablet combining ACE inhibitor and diuretic to lower blood pressure. Common side effects: cough, dizziness, low potassium, increased urination, photosensitivity. (BNF, FDA)
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