
Celebrex (celecoxib) is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain, inflammation, and menstrual cramps. It is also used to treat acute migraine headaches and arthritis. While it can be effective, it may also cause several side effects, including allergic reactions, skin rashes, and gastrointestinal issues such as bleeding and ulcers. In rare cases, it may also cause muscle cramps and aches. Due to these potential risks, it is important to consult a doctor or pharmacist about any concerns or side effects experienced while taking Celebrex.
| Characteristics | Values |
|---|---|
| Muscle cramps | 0.1% to 1.9% of patients taking celecoxib (the active ingredient in Celebrex) experience leg cramps |
| Other side effects | Diarrhea, headache, abdominal pain, anemia, increased blood pressure, liver damage, allergic reactions, skin reactions, serious bleeding, ulcers, tears in the stomach, increased risk of blood clots, heart attack, and stroke |
| Risk factors | Higher dosage, usage in children, usage in older adults, usage with other medicines, history of heart problems, sulfa or sulfonamide allergy, pregnancy |
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What You'll Learn

Leg cramps and other mild side effects
Celebrex (celecoxib) is a medication that treats mild to moderate pain and inflammation. It is a type of nonsteroidal anti-inflammatory drug (NSAID). It works by blocking certain substances in the body that cause pain, inflammation, and fever. It is used to treat conditions like arthritis, acute pain, menstrual cramps, and acute migraine headaches.
Like all medications, Celebrex can cause certain side effects, some of which are more common than others. These side effects may be temporary, lasting a few days to weeks. However, if the side effects bother you or become severe, it is important to talk to your doctor or pharmacist.
Leg cramps were reported in 0.1% to 1.9% of patients taking celecoxib, the active ingredient in Celebrex. This is considered a mild side effect. Other mild side effects that have been reported with Celebrex include:
- Diarrhea
- Headache
- Abdominal pain
- Constipation
- Dry mouth
- Vomiting
- Increased blood pressure (hypertension)
- Anemia
It is important to note that the risk of side effects may be higher with a higher dose of Celebrex. Additionally, certain groups of people, such as those over 65 years old or with existing medical conditions, may be at a greater risk for side effects.
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Risk of heart attack and stroke
Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen have been associated with an increased risk of heart attack and stroke. In 2005, the FDA issued a warning about this risk, and in 2015, they strengthened this warning based on the advice of an expert panel that reviewed additional information about NSAIDs. Celebrex (celecoxib) is also an NSAID and has been the subject of similar concerns.
Studies have shown that people who took high doses of celecoxib, ranging from 400 to 800 mg, had an increased risk of heart attacks and strokes. However, it is important to note that the majority of people in the United States who are prescribed celecoxib take lower doses, which carry a similar cardiovascular risk to other NSAIDs. In a 10-year study called the Prospective Randomized Evaluation of Celecoxib Integrated Safety versus Ibuprofen or Naproxen (PRECISION), it was found that patients taking celecoxib were no more likely to experience heart attacks or strokes than those taking ibuprofen or naproxen.
The PRECISION study involved 24,081 arthritis patients, with 90% suffering from osteoarthritis and the rest having rheumatoid arthritis. Patients were divided into three groups, with one group receiving 100 to 200 milligrams (mg) of celecoxib twice a day. The study concluded that celecoxib did not pose a greater cardiovascular threat than other NSAIDs, and it was also associated with fewer GI complications and appeared safer for the kidneys.
While the PRECISION study provides some reassurance, it is important to remember that the risk of heart attack and stroke is still present, especially with prolonged use. People who already have heart disease or are taking the medication for a long time may be at a higher risk. Additionally, certain medications, such as steroids or blood thinners, can further increase the risk. It is always advisable to consult with a healthcare professional to weigh the benefits against the risks of taking this medication.
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Allergic reactions
Celebrex (celecoxib) is a nonsteroidal anti-inflammatory drug (NSAID) that treats mild to moderate pain and inflammation. It is used to treat conditions like arthritis, ankylosing spondylitis, acute pain, menstrual cramps, and acute migraine headaches.
While Celebrex can be an effective medication, it may also cause certain unwanted effects. Some of these side effects may be temporary and mild, and may not necessarily require medical attention. However, it is important to be aware of the potential allergic reactions that can occur with Celebrex use.
- Skin rash
- Itching
- Hives
- Swelling of the face, lips, tongue, or throat
- Fever
- Swollen glands
- Muscle aches
- Severe weakness
- Unusual bruising
- Yellowing of the skin or eyes
If you experience any of these symptoms, it is important to stop taking Celebrex and seek medical attention immediately. In some cases, allergic reactions can be life-threatening and require emergency medical care.
It is worth noting that people with a history of asthma, hives, or allergic reactions to other NSAIDs or aspirin may be advised against using Celebrex. Always consult with your doctor to determine if Celebrex is safe for you and to discuss any concerns or questions about potential side effects.
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Serious skin reactions
Celebrex (celecoxib) is a medication used to treat mild to moderate pain and inflammation. It is a type of nonsteroidal anti-inflammatory drug (NSAID). While it can be effective in treating pain and inflammation, it may also cause certain side effects, some of which can be serious.
One of the serious side effects associated with Celebrex is serious skin reactions. These reactions can occur weeks to months after starting the medication. It is important to be vigilant for any signs or symptoms indicative of a serious skin reaction, as early recognition and medical intervention are crucial.
- Exfoliative dermatitis: This condition causes the skin to become inflamed and flaky, with extensive scaling and redness. It can affect large areas of the body and may be accompanied by itching and discomfort.
- Stevens-Johnson Syndrome (SJS): SJS is a rare but severe condition characterized by blistering and detachment of the skin and mucous membranes. It typically begins with flu-like symptoms, followed by a widespread rash that can progress to blistering and skin detachment. SJS is a medical emergency and requires immediate medical attention.
- Toxic epidermal necrolysis (TEN): TEN is a life-threatening condition that shares some similarities with SJS. It is characterized by widespread blistering and detachment of the skin, often accompanied by fever and other systemic symptoms. TEN is considered a medical emergency and requires urgent medical care.
- Drug reaction with eosinophilia and systemic symptoms (DRESS): DRESS syndrome is a severe allergic reaction that typically occurs 2-8 weeks after starting a medication. It is characterized by a widespread rash, fever, and internal organ involvement. Other symptoms may include swollen lymph nodes, abnormal liver function, and abnormal blood cell counts. DRESS syndrome requires immediate medical attention and hospitalization.
- Acute generalized exanthematous pustulosis (AGEP): AGEP is a rare but severe skin reaction characterized by the sudden appearance of small, sterile pus-filled bumps (pustules) on reddened skin. It typically occurs within the first few days of drug exposure and is often accompanied by fever and other systemic symptoms. AGEP requires immediate medical attention.
- Fixed drug eruption (FDE) and generalized bullous fixed drug eruption (GBFDE): FDE is a skin reaction that occurs at the same site each time the medication is taken. It typically presents as a well-defined, round or oval-shaped area of redness and swelling, which may blister and cause discomfort. GBFDE is a less common but more severe form of FDE, characterized by large, tense blisters on the skin.
If any signs or symptoms of a serious skin reaction occur, it is imperative to seek medical advice immediately. Do not wait for the symptoms to become severe, as early intervention is crucial in managing these reactions effectively. Discontinuing the medication at the first sign of a potential skin reaction is also recommended.
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Infertility and pregnancy risks
Celebrex (celecoxib) is a nonsteroidal anti-inflammatory drug (NSAID) that is used to treat acute pain, menstrual cramps, and acute migraine headaches. While it is a prescription medicine, it may cause some unwanted effects, including infertility and pregnancy risks.
Infertility Risks
Celebrex may cause a delay in ovulation for women and may affect their ability to have children. This is because celecoxib is a cyclooxygenase-2 (COX-2) inhibitor, which prevents the synthesis of ovarian prostaglandins (PGs). COX-2 is expressed in the female reproductive system and plays a critical role in ovulation and luteal development. The deletion of the PGE2 subtype 2 receptor (PTGER2) results in female sterility due to a failure of cumulus-oocyte complexes to undergo C-OE. Additionally, endometriosis, a benign lesion in the pelvis and other parts of the peritoneum, is a cause of infertility, and celecoxib is one of the medications introduced as a treatment for it.
Pregnancy Risks
The use of NSAIDs, including celecoxib, in pregnant women can cause serious adverse effects on the fetus. The US Food and Drug Administration (FDA) recommends avoiding the use of NSAIDs in pregnancy at 20 weeks or later because they can result in low amniotic fluid, which can lead to lung and heart problems in the developing fetus. Additionally, NSAIDs can prolong labor and increase blood loss during delivery. Studies in animals have shown evidence of an increased occurrence of fetal damage, although the significance of this in humans is uncertain. The use of NSAIDs prior to 20 weeks gestation should be based on a benefit-risk assessment, and some authorities recommend avoiding NSAIDs throughout pregnancy whenever possible. Celecoxib is excreted in breast milk, but it is not expected to cause adverse effects in breastfed infants. However, some authorities advise women to discontinue nursing or the drug, considering the expected benefit of the drug to the mother due to the potential for adverse reactions in nursing infants.
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Frequently asked questions
Leg cramps were reported in 0.1% to 1.9% of patients taking Celebrex.
Other common side effects of Celebrex include diarrhoea, headache, abdominal pain, constipation, vomiting, and skin rash.
Yes, Celebrex may cause serious side effects such as bleeding in the stomach or intestines, ulcers, tears in the stomach, heart attack, stroke, and increased blood pressure.
If you experience any side effects from Celebrex, you should contact your healthcare provider or seek medical attention, especially if the side effects are severe or bothersome.



































