Here you’ll find 15 pills that start with J, organized from “Jakafi” to “Jynarque”. These entries cover commonly prescribed, over-the-counter, and high‑risk oral medicines with quick uses and side effects for easy scanning.

Pills that start with J are a mix of brand and generic oral medicines. They treat conditions from infections to long‑term diseases and include notable targeted therapies like “Jakafi”.

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

Name: The marketed pill name so you can quickly recognize tablets or capsules on labels, prescriptions, or at the pharmacy.

Generic name: The active ingredient listed so you can compare equivalents, check for allergies, and identify substitutable medicines.

Primary use: The main medical indication for the medicine so you can see why it might be prescribed or recommended.

Therapeutic class: The drug group showing how the medicine works and which other treatments share similar effects for comparison.

Common side effects: Typical adverse reactions you may experience while taking the pill, listed so you know what to watch for.

Notes: Brief practical details and source pointers that help you confirm formulations, dosing forms, or regulatory availability.

Pills that start with J

NameGeneric nameDrug classCommon side effects
JantovenwarfarinAnticoagulant (blood thinner)Bleeding, bruising, nausea, gas, stomach pain
JanuviasitagliptinDPP-4 inhibitor for diabetesStuffy or runny nose, sore throat, headache, stomach upset
JardianceempagliflozinSGLT2 inhibitor for diabetesUrinary tract infections, yeast infections, increased urination, thirst
Janumetsitagliptin/metforminCombination diabetes therapyDiarrhea, nausea, upset stomach, headache, metallic taste
JakafiruxolitinibKinase inhibitor (cancer therapy)Bruising, dizziness, headache, low blood counts, fatigue
Jalyndutasteride/tamsulosinCombination for enlarged prostateDizziness, decreased libido, ejaculation problems, breast tenderness
JynarquetolvaptanVasopressin V2-receptor antagonistThirst, increased urination, frequent nighttime urination, dry mouth
Jentaduetolinagliptin/metforminCombination diabetes therapyDiarrhea, nausea, stuffy nose, sore throat, stomach upset
Jatenzotestosterone undecanoateAndrogen (testosterone replacement)High blood pressure, increased red blood cells, headache, nausea, indigestion
Junel Fe 1/20norethindrone acetate/ethinyl estradiol/ferrous fumarateCombination birth control pillNausea, bloating, breast tenderness, headache, mood changes
JolivettenorethindroneProgestin-only birth control pillIrregular bleeding, headache, nausea, breast tenderness, dizziness
Jintelinorethindrone acetate/ethinyl estradiolCombination hormone therapyBreast pain, headache, nausea, vaginal bleeding, bloating
JuxtapidlomitapideMTP inhibitor for cholesterolDiarrhea, nausea, vomiting, stomach cramps, gas
Jasmieldrospirenone/ethinyl estradiolCombination birth control pillHeadache, breast tenderness, nausea, irregular bleeding, mood swings
JencyclanorethindroneProgestin-only birth control pillIrregular periods, headache, nausea, dizziness, breast pain

Descriptions

Jantoven
A prescription tablet used to prevent and treat blood clots. Known as a blood thinner, it requires careful monitoring and has many food and drug interactions.
Januvia
A prescription tablet for managing type 2 diabetes by helping the body increase insulin release after meals. It is often used with diet and exercise.
Jardiance
A prescription tablet for type 2 diabetes that also helps reduce the risk of heart problems. It works by helping the kidneys remove sugar from the body through urine.
Janumet
A prescription tablet combining two drugs to control high blood sugar in people with type 2 diabetes. It works by increasing insulin and decreasing sugar production.
Jakafi
A prescription tablet used to treat certain bone marrow disorders and cancers. It works by blocking signals that cause cancer cells to multiply.
Jalyn
A prescription capsule combining two medicines to treat an enlarged prostate (BPH). It helps shrink the prostate and relax bladder muscles to improve urine flow.
Jynarque
A specialized prescription tablet used to slow kidney function decline in adults with a specific genetic kidney disease (ADPKD). Requires strict liver monitoring.
Jentadueto
A prescription tablet that combines two drugs to improve blood sugar control in adults with type 2 diabetes, used alongside diet and exercise.
Jatenzo
A prescription capsule for men with low testosterone due to certain medical conditions. It is a controlled substance that can increase blood pressure.
Junel Fe 1/20
A prescription tablet used for pregnancy prevention. This combination oral contraceptive also contains iron pills to take during the placebo week.
Jolivette
A prescription tablet for preventing pregnancy, often called the “mini-pill.” It contains only a progestin hormone and is taken every day without a break.
Jinteli
A prescription tablet used to relieve moderate to severe symptoms of menopause, such as hot flashes, and to prevent osteoporosis after menopause.
Juxtapid
A specialized prescription capsule for a rare genetic form of very high cholesterol. It carries a risk of liver problems and requires close medical supervision.
Jasmiel
A prescription tablet used to prevent pregnancy. This oral contraceptive combines two female hormones, an estrogen and a progestin, to stop ovulation.
Jencycla
A prescription “mini-pill” tablet used for contraception. It works by thickening cervical mucus and thinning the uterine lining to prevent pregnancy.
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