Piroxicam
Risk Factor: CM*
Class: CENTRAL NERVOUS SYSTEM DRUGS
/ Nonsteroidal Anti-inflammatory Drugs
Contents of this page:
Fetal Risk Summary
Breast Feeding Summary
References
Questions and Answers
Fetal Risk Summary
Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) used for relief of the signs and symptoms of rheumatoid arthritis and osteoarthritis. It is in the same NSAID subclass (oxicams) as meloxicam.
Animal reproduction studies in rabbits and rats have not shown drug-related embryotoxicity or teratogenicity (1,2 and 3). However, decreased fetal growth was observed in some species (2).
In a surveillance study of Michigan Medicaid recipients involving 229,101 completed pregnancies conducted between 1985 and 1992, 161 newborns had been exposed to piroxicam during the 1st trimester (F. Rosa, personal communication, FDA, 1993). Six (3.7%) major birth defects were observed (seven expected). Specific data were available for six defect categories, including (observed/expected) 1/2 cardiovascular defects, 1/0 oral clefts, 1/0 spina bifida, 1/0.5 polydactyly, 0/0 limb reduction defects, and 0/0 hypospadias. These data do not support an association between the drug and congenital defects.
A combined 2001 population-based observational cohort study and a case-control study estimated the risk of adverse pregnancy outcome from the use of NSAIDs (4). The use of NSAIDs during pregnancy was not associated with congenital malformations, preterm delivery, or low birth weight, but a positive association was discovered with spontaneous abortions (SABs) (see Ibuprofen for details).
Constriction of the ductus arteriosus in utero is a pharmacologic consequence arising from the use of prostaglandin synthesis inhibitors during pregnancy (see also Indomethacin) (5). Persistent pulmonary hypertension of the newborn may occur if these agents are used in the 3rd trimester close to delivery (5). These drugs also have been shown to inhibit labor and prolong pregnancy, both in humans (6) (see also Indomethacin) and in animals (7). Women attempting to conceive should not use any prostaglandin synthesis inhibitor, including piroxicam, because of the findings in a variety of animal models that indicate these agents block blastocyst implantation (8,9). Moreover, as noted above, NSAIDs have been associated with SABs.
[*Risk Factor D if used in 3rd trimester or near delivery.]
Breast Feeding Summary
Piroxicam is excreted into breast milk. A nursing woman, 9 months postpartum, was treated with piroxicam 20 mg/day for 4 months (10). Maternal serum concentrations of the drug 2.5 and 15.0 hours after a dose were 5.85 and 4.79 g/mL, respectively. Milk levels varied between 0.05 and 0.17 g/mL. Based on an ingested volume of 600 mL/day, the investigators estimated the infant would have received a daily dose of about 0.05 mg. However, no drug was detectable in the infant's serum. A second woman stopped nursing her 8-month-old infant when she was treated with piroxicam 40 mg/day (10). Milk concentrations of the drug ranged from 0.11 to 0.22 g/mL, with the highest level measured 2.5 hours after the second dose. In both cases, the concentration of the drug in milk was approximately 1% of the mother's serum levels. These amounts probably do not present a risk to the nursing infant (11). The American Academy of Pediatrics considers piroxicam to be compatible with breast feeding (12).
References
- Product information. Feldene. Pfizer, 2001.
- Sakai T, Ofsuki I, Noguchi F. Reproduction studies on piroxicam. Yakuri to Chiryo 1980;8:465571. As cited in Shepard TH. Catalog of Teratogenic Agents. 6th ed. Baltimore, MD: Johns Hopkins University Press, 1989:513.
- Perraud J, Stadler J, Kessedjian MJ, Monro AM. Reproductive studies with the anti-inflammatory agent, piroxicam: modification of classical protocols. Toxicology 1984;30:5963.
- Nielsen GL, Sorensen HT, Larsen H, Pedersen L. Risk of adverse birth outcome and miscarriage in pregnant users of non-steroidal anti-inflammatory drugs: population based observational study and case-control study. Br Med J 2001;322:26670.
- Levin DL. Effects of inhibition of prostaglandin synthesis on fetal development, oxygenation, and the fetal circulation. Semin Perinatol 1980;4:3544.
- Fuchs F. Prevention of prematurity. Am J Obstet Gynecol 1976;126:80920.
- Powell JG, Cochrane RL. The effects of a number of non-steroidal anti-inflammatory compounds on parturition in the rat. Prostaglandins 1982;23:46988.
- Matt DW, Borzelleca JF. Toxic effects on the female reproductive system during pregnancy, parturition, and lactation. In Witorsch RJ, ed. Reproductive Toxicology. 2nd ed. New York, NY: Raven Press, 1995:17593.
- Dawood MY. Nonsteroidal antiinflammatory drugs and reproduction. Am J Obstet Gynecol 1993;169:125565.
- Ostensen M. Piroxicam in human breast milk. Eur J Clin Pharmacol 1983;25:82930.
- Ostensen M, Husby G. Antirheumatic drug treatment during pregnancy and lactation. Scand J Rheumatol 1985;14:17.
-
Committee on Drugs, American Academy of Pediatrics. The transfer of drugs and other chemicals into human milk. Pediatrics 1994;93:13750.
Questions and Answers
What are the drugs phentermine and piroxicam used for?,
Phentermine is a prescription weight loss drug.
Piroxicam seems to be some kind of arthritis drug.
Is piroxicam a naturally occuring drug?, I looked up lots of references and none of them gives a clear answer to my question. Is it synthetic or naturally occurring?
Well first, what do you mean by naturally occuring? Because almost all drugs are naturally occuring: you'll find them in nature.
However, at the same time, they are synthesized in a lab. How is this possible? A chemical found in nature is studied and then they find a way to make it in a laboratory.
I think the question you are asking is was it ever found in nature or did they take a normal NSAID and tweak it to make it better.
The answer is, scientists took other NSAID drugs and figured out how to make them safer and more effective by changing their chemistry, leading to piroxicam.
This process happens because of competition between drug companies to create a better drug and is the basis for improvement of medicine treatments.
what happens if u actually used piroxicam gel instead of lubricant?,
You could have side effects from the piroxicam. Hopefully you didn't use very much. See the link below for possible complications.
does anyone have the knowledge of using Tramadol or Piroxicam for their dogs? Is it safe to use?Side effects?,
tramadol can be used in dogs it is a useful drug especially for treating bone cancers and certain conditions in dogs arthritis chronic pain,and after surgery,piroxicam is not licensed for use in animals its for human use only in dogs it causes severe stomach problems and after trials will not be licensed for use in animals
i need information about the piroxicam pill?, my wife is using this pill for joints pain,it is correct to use ti? if there is another alternate medication please let me know,so we discuss the matter with the doctor...thanks ...
Piroxicam is used to reduce pain, swelling, and joint stiffness from arthritis. What your wife is using is a good medication for Her joint pain. I've enclosed a list of alternative treatments And medications for your information.
Analgesics: Drugs like Tylenol, which contains acetaminophen, relieve mild-to-moderate pain with few side effects in most people. Tylenol is typically the first drug people take for treatment of osteoarthritis pain.
Topical pain relievers: Creams, salves, or gels are analgesics that relieve mild pain when just a few joints are involved -- like your hand. They can also be used in addition to oral painkillers. Active ingredients include capsaicin (found naturally in hot peppers), camphor, eucalyptus oil, menthol, and salicylates. ArthriCare, Aspercreme, BenGay, Capzasin-P, Eucalyptamint, Flexall, Icy Hot, and Zostrix are all topical pain relievers for osteoarthritis treatment.
Nonsteroidal anti-inflammatory drugs (NSAIDs): These drugs relieve pain by blocking chemicals that cause inflammation. They are reasonably safe drugs -- but, because of potential side effects like stomach irritation and gastrointestinal bleeding, it's best to take low doses for brief periods. Over-the-counter NSAIDs include: Advil, Aleve, Anacin, Aspirin, Bayer, and Motrin.
Glucosamine-chondroitin supplements: These compounds are natural substances found in joint fluid. They are thought to trigger cartilage production and reduce inflammation. The latest studies show potential in slowing the progression of knee osteoarthritis and relieving moderate-to-severe osteoarthritis pain.
Prescription NSAIDS: These are stronger versions of NSAID painkillers, and are prescribed when simple over-the-counter pain relievers aren't effective. These are reasonably safe, but there are potential side effects when taken in large doses over months or years. The FDA requires a label warning of risks like heart attackheart attack, strokestroke, and stomach bleeding. Clinoril, Disalcid, Feldene, Indocin, Lodine, Mobic, and Relafen are prescription NSAIDs.
Cox-2 drugs: This newer type of NSAID was developed to relieve inflammation without the stomach irritation of traditional NSAIDS. These drugs are reasonably safe, but there is still some risk to the stomach. The FDA requires a label warning of increased risk of cardiovascular side effects and gastrointestinal bleeding. Two other Cox-2 drugs were removed from the market because of increased risk of stroke, heart attack, and life-threatening skin reactions. Celebrex is the only Cox-2 drug still on the market and is prescribed in osteoarthritis treatment.
Steroid injections: Quick pain relief is possible when glucocorticoids (a type of steroid) are injected into the joint for osteoarthritis treatment. These are typically advised for moderate-to-severe knee pain or for inflammation that is not relieved by an NSAID.
Hyaluronan injections: Hyaluronic acid is a substance found in joint fluid. Given as weekly injections directly into the joint, it increases mobility. Euflexxa, Hyalgan, Orthovisc, Supartz, and Synvisc are approved for mild-to-moderate knee arthritisarthritis.
Narcotic pain relievers: These strong pain relievers contain narcotics and are often combined with Tylenol. The drugs work on pain receptors on nerve cells, not on inflammation. There is risk of dependency with these drugs. They include: Darvocet, Darvon, Lorcet, Lortab, Morphine, Oxycontin, Percocet, Tylenol with Codeine, and Vicodin.
Feldene 20 ( Piroxicam) is effective medicine for what ailment?,
It is an inti-inflammatory an as such is used to reduce inflammation in a wide range of disorders from damage to ligaments, osteoarthritis, rheumatoid arthritis, ankylosing spondylitis and superficial sporting injuries.
what is safer to take celebrex, piroxicam or advil?, what is the best for artheritis
Glucosamine with chondroitin is the safest. Celebrex has had black box warnings put on it, piroxicam is overkill and advil is OK in small doses but as the doses go up, so does your risk of GI symptoms.
How fast is the skin's absorption rate with Piroxicam ointment (known as Fedlene gel in USA)?, How fast is the skin's absorption rate with Piroxicam ointment (known as Fedlene gel in USA)? I have read that it is slow, but I would like to know exactly how slow. Also, how does it help? Please, only people who KNOW.. no answers like "I dunno"
Thanks.
Skin absorption rate is different for everyone...some people's epithelium layer is thicker than others, people's circulation rates are different than others, etc... so it would be impossible for anyone to give you a finite number on the absorption rate of Piroxicam.
is ibuprofen the same as piroxicam?, Which is better?
Brufen (trade name Ibruprofen) is a general anti-inflammatory drug, whereas Piroxicam is prescribed for rheumatoid arthritis, so is thought to have a more specific action.
They are both NSAID's ('non steroidal anti-inflammatory' drugs) and it is not wise to take two of this class of drugs at the same time.
If you suffer RA and are concerned about the effectiveness of current medication you might want to ask about a new class of drugs called 'DMARD's' ('disease-modifying anti-rheumatic drugs'), and see whether these are appropriate for you.
Has anyone had a cat or dog diagnosed with tongue cancer & given Piroxicam to arrest new cancer cell growth?,
Piroxicam is a NSAID (Non-Steroidal Anti-Inflammatory Drug)
It acts as Apirin and not anti-cancer
It is analgesic, anti-inflammatory and antipyretic drug
