Celebrex (Celecoxib)

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50mg
100mg
200mg
400mg
Generic
Dose Size & Price Qty
50mg
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200mg
400mg
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Fact Table

Fact Table
Formula C17H14F3N3O2S
License FDA approved (1998); EMA approved
Bioavailability ~40% (oral; increased with high-fat meals)
Legal status Prescription only (Rx)
Chemical Name 4-[5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide
Elimination half-life ~11 hours
Dosage (Strength) 50 mg, 100 mg, 200 mg, 400 mg oral capsules; dosing varies by indication
Pregnancy Contraindicated in third trimester; avoid unless clearly needed earlier
Brands Celebrex
Protein binding ~97%
PubChem CID 2662
MedlinePlus a699022
ChEBI 41423
ATC code M01AH01
DrugBank DB00482
KEGG D00412
Routes of administration By mouth (oral capsules)

Celebrex (celecoxib) is a pain-relief medicine that lowers inflammation. It’s classified as a COX-2 inhibitor that works by blocking a substance in the body (COX-2) that causes pain and inflammation. Celebrex may treat mild to moderate pain and help relieve symptoms of several types of arthritis, including osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis. It can also help with menstrual pain, short-term pain after injuries or medical procedures, and juvenile arthritis in children ages 2 and older.

Directions

Celecoxib comes as a capsule that's taken by mouth, typically once or twice daily. However, the exact dosage depends on the condition being treated. For osteoarthritis, the usual dose is 200 mg per day taken as a single dose or divided into 100 mg twice daily. For rheumatoid arthritis, the typical dosage is 100 to 200 mg twice daily. For acute pain or menstrual cramps, the recommended starting dose is 400 mg once, followed by an additional 200 mg if needed on the first day, then 200 mg twice daily as needed.

Doses up to 200 mg may be taken with or without food, but doses above 200 mg should be taken with food to improve absorption. The lowest effective dose should be used for the shortest duration needed to manage symptoms. Do not exceed the recommended dosage. Swallow the capsules whole with water rather than opening or crushing them.

Ingredients

The active ingredient in Celebrex is celecoxib.

Cautions

  • Before using this medication, you may want to consult a healthcare provider about:
    • Any existing health conditions
    • Any allergies
    • A list of all medications currently being taken
  • Celebrex can increase the risk of serious heart problems, including heart attack and stroke, which can happen early in treatment and are more likely at higher doses or with long-term use.
  • People with heart disease, risk factors for heart disease, or a recent heart attack have a higher overall risk, and Celebrex should generally be avoided after recent heart surgery or a recent heart attack unless necessary.
  • Celebrex can cause serious stomach and intestinal problems such as ulcers, bleeding, or holes in the digestive tract, which can occur without warning and may be life-threatening.
  • The risk of stomach bleeding is higher in older adults, people with a history of ulcers, those who drink alcohol, smoke, or take blood thinners, steroids, aspirin, or certain antidepressants.
  • Liver problems, including rare but severe liver injury, have been reported, so symptoms like nausea, fatigue, itching, yellowing of the skin or eyes, or flu-like symptoms should be reported right away.
  • Celebrex can raise blood pressure or make existing high blood pressure worse, so blood pressure should be monitored during treatment.
  • Fluid retention and worsening heart failure can occur, especially in people with existing heart problems, and symptoms like swelling or shortness of breath should be watched closely.
  • Kidney problems may develop, particularly in people who are dehydrated, older, or who have kidney, heart, or liver disease, and kidney function may need monitoring during treatment.
  • Serious allergic reactions, including life-threatening reactions, can occur, especially in people with aspirin-sensitive asthma or sulfa allergies, and emergency care is needed if symptoms like trouble breathing or swelling appear.
  • Severe skin reactions have been reported and may be fatal, so Celebrex should be stopped immediately if a rash, blistering, or other signs of skin reaction develop.
  • Celebrex should be avoided during late pregnancy because it can harm the unborn baby’s heart or kidneys, and use earlier in pregnancy should be limited to the lowest dose for the shortest time if needed.
  • Celebrex may increase the risk of anemia and bleeding, especially when taken with blood thinners or certain antidepressants, so signs like unusual fatigue, dizziness, or bleeding should be reported.

Contraindications

Avoid taking or using this medication if any of the following apply:

Known hypersensitivity (allergic reaction) to celecoxib, sulfonamides, or any inactive ingredients of the drug

History of asthma, hives, or allergic-type reactions after taking aspirin or other NSAIDs

Use during the peri-operative period in the setting of coronary artery bypass graft (CABG) surgery

Advanced kidney disease

Active peptic ulcer disease or recent gastrointestinal bleeding

Pregnancy during the third trimester (starting at 30 weeks of gestation)

Side Effects

Common side effects of Celebrex include:

  • Stomach pain, indigestion, or heartburn
  • Diarrhea or nausea
  • Headache or dizziness
  • Swelling of the legs or ankles (edema)

These side effects are generally mild and may occur early in treatment. Digestive symptoms are among the most commonly reported side effects, especially with longer-term use.

More serious side effects can include heart attack, stroke, gastrointestinal bleeding, kidney problems, liver injury, or severe skin or allergic reactions. The risk of serious cardiovascular or GI events may increase with higher doses or prolonged use. Contact a healthcare provider immediately if you develop chest pain, shortness of breath, black or bloody stools, severe rash, swelling of the face or throat, or sudden changes in urine output.

Frequently Asked Questions about Celebrex


What is Celebrex used for?

Celebrex is a prescription nonsteroidal anti-inflammatory drug used to relieve pain, inflammation, and stiffness associated with conditions such as osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, and acute pain.


How does Celebrex work?

Celebrex works by selectively blocking the COX-2 enzyme, which plays a key role in producing substances that cause inflammation and pain. This selectivity helps reduce pain while being gentler on the stomach compared to some traditional NSAIDs.


How is Celebrex typically taken?

Celebrex is taken by mouth, usually once or twice daily depending on the condition being treated. It may be taken with or without food, although taking it with food can help reduce stomach discomfort.


How quickly does Celebrex relieve pain?

Pain relief may begin within a few hours of the first dose, but maximum benefit for chronic conditions may take several days to weeks of consistent use.


What are the most common side effects of Celebrex?

Common side effects include stomach pain, indigestion, diarrhea, gas, headache, and swelling of the hands or feet. Many people tolerate the medication well.


Does Celebrex increase the risk of heart problems?

Celebrex may increase the risk of heart attack or stroke, especially with long-term use or higher doses. The risk may be greater in people with existing cardiovascular disease.


Can Celebrex cause stomach or intestinal problems?

Although Celebrex is designed to be easier on the stomach than some NSAIDs, it can still cause ulcers, bleeding, or perforation of the stomach or intestines, particularly with prolonged use.


Can Celebrex be taken with other pain relievers?

Celebrex should not be combined with other NSAIDs unless directed. Certain pain relievers and blood-thinning medications may increase the risk of side effects.


Is Celebrex safe for long-term use?

Celebrex may be used long term for chronic conditions when benefits outweigh risks. Ongoing monitoring is often recommended to assess cardiovascular, kidney, and gastrointestinal safety.


Is Celebrex safe during pregnancy or breastfeeding?

Celebrex should generally be avoided during late pregnancy due to potential risks to the fetus. Use during early pregnancy or breastfeeding should be based on careful consideration of potential benefits and risks.

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