This list includes 15 Pills that start with X, from “Xadago” to “Xyzal”. Many X‑initial drugs are brand names or newer treatments used for allergies, Parkinson’s disease, and other conditions.
Pills that start with X are pharmaceutical tablets or capsules whose names begin with the letter X. Because X is rare in drug naming, a few examples like “Xadago” and “Xyzal” are especially familiar.
Below you’ll find the table with Name, Generic/brand, Primary use, Drug class, Common side effects, and Notes.
Name: Shows the pill’s marketed name so you can match the label on packaging or a prescription quickly.
Generic/brand: Identifies whether the entry is a generic molecule or a brand name, helping you compare alternatives and costs.
Primary use: Summarizes the main condition or symptom the pill treats so you know why it might be prescribed.
Drug class: Lists the therapeutic class so you understand the pill’s general action and potential similarities with other medicines.
Common side effects: Provides three to six typical side effects so you recognize likely reactions and can monitor for them at home.
Notes: Offers quick practical details such as formulation, special precautions, or links to official prescribing information for further reading.
Pills that start with X
| Name | Generic Name | Formulation | Primary Use & Drug Class | Description |
|---|---|---|---|---|
| Xadago | Safinamide | tablet | Parkinson’s disease adjunct; MAO‑B inhibitor | Adjunct to levodopa for Parkinson’s disease; MAO‑B inhibitor. Common side effects: dyskinesia, insomnia, nausea, dizziness, hallucinations. |
| Xalkori | Crizotinib | capsule | Non‑small cell lung cancer; ALK/ROS1 tyrosine kinase inhibitor | Oral targeted therapy for ALK/ROS1‑positive lung cancer. Common side effects: vision changes, nausea, diarrhea, edema, increased liver enzymes. |
| Xanax | Alprazolam | tablet, capsule | Anxiety and panic disorders; benzodiazepine | Treats anxiety and panic attacks; short‑acting benzodiazepine. Common side effects: drowsiness, dizziness, memory problems, constipation, dependence. |
| Xarelto | Rivaroxaban | tablet | Anticoagulation for clots and stroke prevention; factor Xa inhibitor | Oral blood thinner to prevent or treat clots and stroke. Common side effects: bleeding, bruising, anemia, nausea, rash. |
| Xeloda | Capecitabine | tablet | Colorectal and breast cancer; oral antimetabolite chemotherapy | Oral chemotherapy converted to 5‑FU for colon and breast cancer. Common side effects: diarrhea, hand‑foot syndrome, nausea, fatigue, low blood counts. |
| Xeljanz | Tofacitinib | tablet | Rheumatoid and psoriatic arthritis; JAK inhibitor | Oral medicine for inflammatory arthritis; JAK enzyme inhibitor. Common side effects: infections, headache, diarrhea, high cholesterol, liver enzyme changes. |
| Xenazine | Tetrabenazine | tablet | Huntington’s chorea; VMAT2 inhibitor | Reduces involuntary movements in Huntington’s disease; VMAT2 inhibitor. Common side effects: drowsiness, depression, parkinsonism, insomnia, nausea. |
| Xenical | Orlistat | capsule | Weight loss; gastrointestinal lipase inhibitor | Prescription capsule that reduces fat absorption to aid weight loss. Common side effects: oily stools, flatulence, fecal urgency, abdominal pain, headache. |
| Xermelo | Telotristat ethyl | tablet | Carcinoid syndrome diarrhea; tryptophan hydroxylase inhibitor | Lowers serotonin to reduce carcinoid tumor diarrhea. Common side effects: nausea, headache, increased liver enzymes, constipation, peripheral edema. |
| Xifaxan | Rifaximin | tablet | Traveler’s diarrhea, hepatic encephalopathy, IBS‑D; antibiotic (rifamycin) | Poorly absorbed antibiotic for traveler’s diarrhea, hepatic encephalopathy, and IBS‑D. Common side effects: nausea, constipation, dizziness, headache, peripheral edema. |
| Xigduo XR | Dapagliflozin/metformin XR | tablet | Type 2 diabetes; SGLT2 inhibitor plus metformin | Combines SGLT2 inhibitor and metformin extended‑release to lower blood sugar. Common side effects: genital infections, diarrhea, urinary tract infection, nausea, hypoglycemia (with other drugs). |
| Xofluza | Baloxavir marboxil | tablet | Influenza treatment; antiviral (endonuclease inhibitor) | Single‑dose pill to treat acute flu within 48 hours of symptoms. Common side effects: diarrhea, bronchitis, nausea, headache. |
| Xtandi | Enzalutamide | capsule | Metastatic prostate cancer; androgen receptor inhibitor | Oral therapy blocking androgen signaling for advanced prostate cancer. Common side effects: fatigue, hot flashes, hypertension, diarrhea, rare seizure risk. |
| Xuriden | Uridine triacetate | capsule | Hereditary orotic aciduria and chemo antidote; nucleoside analogue | Oral capsules for rare metabolic disorder and as antidote for certain chemotherapy overdoses. Common side effects: nausea, vomiting, diarrhea, elevated liver tests, headache. |
| Xyzal | Levocetirizine | tablet | Allergic rhinitis and urticaria; second‑generation antihistamine | Allergy tablet relieving sneezing, itching and hives; low‑sedating antihistamine. Common side effects: drowsiness, dry mouth, fatigue, headache, throat pain. |