Drugs for gout are used to reduce the pain and inflammation of acute flares, decrease the frequency of exacerbations, and lower serum urate levels to prevent recurrent flares, development of tophi, and joint damage.

View the Comparison Table: Some Drugs for Gout

An oral nonopioid analgesic is often sufficient for acute treatment of mild to moderate migraine pain without severe nausea or vomiting. A triptan is the drug of choice for treatment of moderate to severe migraine in most patients without vascular disease. Treatment of pain when it is still mild to moderate in intensity improves headache response and reduces the risk of recurrence.

View the Comparison Table: H2-Receptor Antagonists and PPIs

View the Comparison Table: Some Nonopioid Analgesics for Pain

Nonopioid drugs can be used in the treatment of many nociceptive and neuropathic pain conditions. For severe pain, especially severe chronic cancer pain, use of opioids may be necessary. Noninvasive nonpharmacologic treatments, including physical and psychological therapies, have been shown to improve pain and function in patients with some common chronic pain conditions and are unlikely to cause serious harms. A multimodal approach to analgesic therapy can increase pain control while reducing opioid use and adverse effects.

An oral nonopioid analgesic is often sufficient for acute treatment of mild to moderate migraine headache without severe nausea or vomiting. A triptan is the drug of choice for treatment of moderate to severe migraine headache pain in most patients without vascular disease. Early treatment of pain when it is still mild to moderate in intensity improves headache response and reduces the risk of recurrence.

Many different drugs are used for treatment of osteoarthritis pain, but none of them prevent progression of the disease. Nonpharmacologic approaches including weight management, exercise, tai chi, physical therapy, assistive devices, and total joint arthroplasty can also be used. The American College of Rheumatology (ACR) has published new guidelines for the management of osteoarthritis of the hip, hand, and knee.

Lasmiditan (Reyvow – Lilly), an oral serotonin (5-HT_1F) receptor agonist, and ubrogepant (Ubrelvy – Allergan), an oral calcitonin gene-related peptide (CGRP) receptor antagonist, have been approved by the FDA for acute treatment of migraine with or without aura in adults.

Drugs for gout reduce the pain and inflammation of acute flares and lower serum urate levels in order to prevent recurrent flares, development of tophi, and joint damage.

View the Expanded Table: Some Drugs for Gout

Nonopioid drugs can be used in the treatment of many nociceptive and neuropathic pain conditions. Use of opioids for pain will be reviewed in a future issue.

View the Comparison Table: Some Nonopioid Analgesics for Pain

Gastroesophageal reflux disease (GERD) is the most frequent GI condition encountered in the outpatient setting; it affects about 20% of the US population. Heartburn and regurgitation are the classic symptoms of GERD.

View the Comparison Table: Drugs for GERD and Peptic Ulcer Disease

An oral nonopioid analgesic may be sufficient for treatment of mild to moderate migraine without severe nausea or vomiting. A triptan is the drug of choice for treatment of moderate to severe migraine. Use of a triptan early in an attack when pain is still mild to moderate in intensity improves headache response and reduces recurrence rates.

The results of a clinical trial (PRECISION) comparing the cardiovascular safety of the COX-2 selective NSAID celecoxib (Celebrex, and generics) with that of ibuprofen and naproxen, which are nonselective, have been described in the lay press in terms that may overestimate the safety of celecoxib.

Psoriatic arthritis is a chronic inflammatory arthropathy that develops in up to 40% of patients with psoriasis. Several guidelines for treatment of psoriatic arthritis have been published.

Many different drugs are used for treatment of osteoarthritis pain, but none of them prevent progression of the disease. Many nonpharmacologic approaches are available as well, including weight management, exercise, physical therapy, assistive devices, and total joint arthroplasty. New guidelines for the management of osteoarthritis have recently been published.

The FDA has authorized two manufacturers (Teva, Mylan) to market generic formulations of celecoxib (Celebrex – Pfizer), the only COX-2 selective inhibitor remaining on the US market. Celecoxib is less likely than nonselective NSAIDs to cause gastric ulcers or other GI toxicity,1 and unlike traditional NSAIDs, it does not have an antiplatelet effect.

Celecoxib is much less COX-2 selective than rofecoxib (Vioxx), which was removed from the US market because of an increased risk of cardiovascular events. One analysis of randomized clinical trials that included a total of about 26,000 patients taking celecoxib found no evidence of an increased risk of cardiovascular thrombotic events compared to nonselective NSAIDs or placebo.2 A review of controlled observational studies found an increased cardiovascular risk with celecoxib (RR 1.17) that was similar to the risk with ibuprofen (RR 1.18) and slightly higher than the risk with naproxen (RR 1.09).3 All NSAIDs can cause renal toxicity, especially in the elderly.4

1. PL McCormack. Celecoxib: a review of its use for symptomatic relief in the treatment of osteoarthritis, rheumatoid arthritis and ankylosing spondylitis. Drugs 2011; 71:2457.
2. WB White et al. Risk of cardiovascular events in patients receiving celecoxib: a meta-analysis of randomized clinical trials. Am J Cardiol 2007; 99:91.
3. P McGettigan and D Henry. Cardiovascular risk with non-steroidal anti-inflammatory drugs: systematic review of population-based controlled observational studies. PLoS Med 2011; 8:e1001098.
4. RL Barkin et al. Should nonsteroidal anti-inflammatory drugs (NSAIDs) be prescribed to the older adult? Drugs Aging 2010; 27:775.

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The goals of gout treatment are threefold: treating acute inflammation, preventing flares, and lowering serum urate levels.

Treatment of migraine in the emergency department, which may involve use of intravenous drugs, is not discussed here.

Pain can be acute or chronic. The two major types of chronic pain are nociceptive pain and neuropathic pain. Nociceptive pain can be treated with nonopioid analgesics or opioids. Neuropathic pain is less responsive to opioids and is often treated with adjuvant drugs such as antidepressants and antiepileptics. Combining different types of analgesics may provide an additive analgesic effect without increasing adverse effects.

Disease-modifying anti-rheumatic drugs (DMARDs) are now used early in the treatment of rheumatoid arthritis (RA) to achieve clinical remission, prevent irreversible damage to joints, and minimize toxicity associated with nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids. DMARDs (Table 1) generally do not have an immediate analgesic effect, but over time can control symptoms and have been shown to delay and possibly stop progression of the disease. NSAIDs have immediate analgesic and antiinflammatory effects, but may not affect the disease process. Oral corticosteroids can relieve joint symptoms and control systemic manifestations, but their chronic use can cause many complications. Judicious use of intra-articular corticosteroids can rapidly decrease inflammation in acute joints with few, if any, adverse effects.

The FDA has approved Duexis (Horizon), a fixed-dose combination of the nonsteroidal anti-inflammatory drug (NSAID) ibuprofen and the H2-receptor antagonist (H2RA) famotidine, for symptomatic relief of osteoarthritis and rheumatoid arthritis and to decrease the risk of developing gastric and duodenal ulcers in patients at risk for NSAID-associated ulcers. Vimovo, a combination of the NSAID naproxen and the proton pump inhibitor (PPI) esomeprazole, is also approved by the FDA for prevention of NSAID-associated gastric ulcers.

Drugs for treatment of migraine are listed in Table 2 on page 9. Drugs for prevention of migraine are listed in Table 3 on page 10. Treatment of migraine in the emergency room, which may involve use of intravenous drugs, is not included here.

The FDA has approved the marketing of Vimovo (AstraZeneca), a fixed-dose combination of the nonsteroidal anti-inflammatory drug (NSAID) naproxen and the proton pump inhibitor (PPI) esomeprazole, for symptomatic relief of osteoarthritis, rheumatoid arthritis and ankylosing spondylitis and to decrease the risk of developing gastric ulcers in patients at risk for NSAID-associated ulcers.

Pain can be acute or chronic. Chronic pain has been broadly classified into two types: nociceptive and neuropathic. Nociceptive pain can be treated with nonopioid analgesics or opioids. Neuropathic pain is less responsive to opioids; adjuvant medicines such as antidepressants and anticonvulsants are often used to treat neuropathic pain. Combining different types of analgesics may provide an additive analgesic effect without increasing adverse effects.

Until the recent introduction of febuxostat (Uloric), no new drugs had been marketed for treatment of gout in the past 40 years. Colchicine, which has been available for decades as an unapproved drug, has now been approved by the FDA (Colcrys) for treatment and prophylaxis of gout flares. It was approved earlier only in combination with probenecid (Colbenemid, and others). The goals of gout treatment are three-fold: treating acute disease, preventing flares and reducing uric acid stores.

Disease-modifying anti-rheumatic drugs (DMARDs) are now used early in the treatment of rheumatoid arthritis (RA) to prevent irreversible damage to joints and minimize toxicities associated with nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids.

The FDA has approved an oral, fixed-dose combination (Treximet - GlaxoSmithKline) of the selective serotonin receptor agonist ("triptan") sumatriptan (Imitrex) and the nonsteroidal anti-inflammatory drug (NSAID) naproxen sodium (Anaprox, and others) for acute treatment of migraine attacks.

Some drugs for treatment of migraine attacks are listed in table 2 on page 18. Drugs for prevention of migraine are listed in table 3 on page 20. Treatment of migraine in the emergency room, which may involve use of intravenous drugs, is not included here.

Pain can be acute or chronic. Chronic pain has been broadly classified into two types: nociceptive and neuropathic. Nociceptive pain is generally treated with nonopioid analgesics and opioids. Antidepressants and anticonvulsants have been used to treat neuropathic pain. Combining two different types of analgesics may nprovide an additive analgesic effect without increasing adverse effects.

To prevent irreversible damage to joints and minimize toxicities associated with nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids, disease modifying anti-rheumatic drugs (DMARDs) are now used early in the treatment of rheumatoid arthritis (RA). The DMARDs listed in the table on page 84 have no immediate analgesic effects, but can control symptoms and have been shown to delay and possibly stop progression of the disease. The NSAIDs listed in the table on page 88 have analgesic and anti-inflammatory effects, but may not affect the disease process. Oral corticosteroids can rapidly relieve joint symptoms and control systemic manifestations, but their chronic use is associated with many complications.

Patients taking nonsteroidal anti-inflammatory drugs (NSAIDs) may be asking their health care providers if they should continue, and some may be asking for alternatives. For most patients taking nonspecific NSAIDs, it would be reasonable to continue. For those who are taking the COX-2 selective celecoxib (Celebrex) because they cannot tolerate the gastrointestinal (GI) effects of nonspecific NSAIDs, it seems reasonable to continue at doses no higher than 100 mg b.i.d. or 200 mg once daily; at these dosages cardiovascular risk has been no higher than with placebo. All NSAIDs, including COX-2 inhibitors, can decrease renal blood flow and cause fluid retention, hypertension and renal failure, especially in the elderly and in patients who take diuretics. The unpublished study that led to an FDA alert on an increased cardiovascular risk with naproxen (Naprosyn, and others) was conducted in patients older than 70. See NSAID addendum

Rofecoxib (Vioxx - Merck) has been withdrawn from the market due to an increased risk of cardiovascular complications associated with its long-term use. The question remains whether all selective COX-2 inhibitors carry the same risk. Full-page advertisements in newspapers for celecoxib (Celebrex - Pfizer), the most widely used COX-2 inhibitor, assure the public that it does not.

Three types of analgesic drugs are available: non-opioids, including aspirin, other nonsteroidal anti-inflammatory drugs (NSAIDs) and acetaminophen; opioids; and adjuvant drugs that are not usually thought of as analgesics, such as antidepressants, which can act as adjuvants when given with NSAIDs or opioids, or have analgesic activity of their own in some types of pain. Combining two different types of analgesics may provide an additive analgesic effect without necessarily increasing adverse effects.

Many different drugs are now used to treat rheumatoid arthritis. Nonsteroidal anti-inflammatory drugs (NSAIDs), listed in the table on page 26, have analgesic and anti-inflammatory effects, but may not affect the disease process. Corticosteroids can provide rapid relief of joint symptoms and control of systemic manifestations, but chronic use is associated with many complications. The "disease-modifying" anti-rheumatic drugs (DMARDs), listed on page 29, have no immediate analgesic effects, but can control symptoms and may delay progression of the disease (American College of Rheumatology Subcommittee on Rheumatoid Arthritis Guidelines, Arthritis Rheum 2002; 46:328). Interactions of anti-rheumatic drugs with other drugs are listed in The Medical Letter Handbook of Adverse Drug Interactions, 2003.

Valdecoxib (Bextra - Pharmacia/Pfizer), a selective cyclooxygenase (COX-2) inhibitor similar to celecoxib (Celebrex) and rofecoxib (Vioxx), was recently approved by the FDA for treatment of osteoarthritis, rheumatoid arthritis and primary dysmenorrhea.

Three types of analgesic drugs are available: first, non-opioids, including aspirin, other nonsteroidal anti-inflammatory drugs (NSAIDs) and acetaminophen; second, opioids; and third, drugs not usually thought of as analgesics, which act as adjuvants when given with NSAIDs or opioids, or have analgesic activity of their own in some types of pain. Non-opioids can be given concurrently with opioids for an additive analgesic effect.

Many different drugs are now used to treat rheumatoid arthritis. Nonsteroidal anti-inflammatory drugs (NSAIDs) have analgesic and anti-inflammatory effects, but may not affect the disease process. The "disease-modifying anti-rheumatic"drugs (DMARDs) have no immediate analgesic effects, but can control symptoms and may delay progression of the disease.

Meloxicam, a nonsteroidal anti-inflammatory drug (NSAID) with some cyclooxygenase-2 (COX-2) selectivity in vitro, has been approved by the FDA for treatment of osteoarthritis.

Rofecoxib, a selective COX-2 inhibitor, has been approved by the FDA for treatment of osteoarthritis, acute pain and menstrual pain.

Celecoxib, a selective COX-2 inhibitor, has been approved by the FDA for treatment of osteoarthritis and rheumatoid arthritis.

Three new 5-HT1 receptors agonissts ('triptans') have been marketed recently for treatment of migraine. Some drugs for prevention of migraine are listed in the table on page 99. Treatment of migraine in the emergency room, which may involve use of intravenous drugs, is not included here.

Three types of analgesic drugs are available: first, non-opioids, including aspirin, other nonsteroidal anti-inflammatory drugs (NSAIDs) and acetaminophen; second, opioids; and third, some drugs not usually thought of as analgesics, which act as adjuvants when given with NSAIDs or opioids, or have analgesic activity of their own in some types of pain.

Drugs are used both to prevent and treat migraine symptoms. The effectiveness of such use can be difficult to evaluate, even with double-blind controlled trials, because migraine is episodic, response to placebo is frequent, and patients vary in response to a given agent (KMA Welch, N Engl J Med, 329:1476, 1993; SD Silberstein and RB Lipton, Neurology, 44 suppl 7:S6, Oct 1994).

Oxaprozin (Daypro -Searle), a propionic acid-derivative nonsteroidal anti-inflammatory drug (NSAID), has been approved by the US Food and Drug Administration for once-daily treatment of rheumatoid arthritis and osteoarthritis. Some of the NSAIDs previously marketed in the USA are listed in the table on page 16. Ibuprofen, naproxen, fenoprofen, ketoprofen, and flurbiprofen are also propionic acid derivatives. Piroxicam and nabumetone (Medical Letter, 34:38, 1992) are also approved for once-daily use, and indomethacin is available in an extended-release formulation that can be taken once a day.

Three types of analgesic drugs are available in the USA: first, aspirin, other nonsteroidal anti-inflammatory drugs (NSAIDs) and acetaminophen; second, opioids; and third, drugs not usually thought of as analgesics, which act as adjuvants when given with NSAIDs or opioids, or have analgesic activity of their own in some types of pain. (American Pain Society, Principles of analgesic Use, 3rd ed, Skokie, illinois: American pain society, 1992).

Nabumetone (Relafen - SmithKline Beecham), a new nonsteroidal anti-inflammatory drug (NSAID), has been approved by the US Food and Drug Administration for treatment of rheumatoid arthritis and osteoarthritis. The drug has been available in the United Kingdom since 1987. The manufacturer claims that nabumetone is as effective as other NSAIDs and causes a relatively low incidence of peptic ulcers.

Some commonly used systemic drugs that may cause pulmonary toxicity are listed in the table below. These adverse effects may sometimes be difficult to distinguish from the underlying disease (JAD Cooper, Jr et al, Am Rev Respir Dis, 133:321, 488, 1986). Pulmonary effects that are part of a generalized reaction or are indirect effects of drugs - on respiratory muscles, for example, or on the immune system - are not included here.

Flurbiprofen (Ansaid - Upjohn), a nonsteroidal anti-inflammatory drug (NSAID) available in some countries since 1977, was recently approved by the US Food and Drug Administration for treatment of rheumatoid arthritis and osteoarthritis. Flurbiprofen is a fluorinated phenylalkanoic acid derivative structurally related to ibuprofen (Motrin;and others).

Misoprostol (Cytotec - Searle), a synthetic methyl analog of prostaglandin E1, was recently approved by the US Food and Drug Administration for prevention of gastric ulcers in high-risk patients taking nonsteroidal anti-inflammatory drugs (NSAIDs). In other countries, the drug is also marketed for treatment of idiopathic peptic ulcers unrelated to NSAIDs.

Diclofenac sodium (Voltaren - Geigy), a nonsteroidal anti-inflammatory drug (NSAID) available in some countries since 1974, was recently introduced in the USA for treatment of rheumatoid arthritis, osteoarthritis and ankylosing spondylitis. It is being promoted as 'The number one prescribed antiarthritic in the world.'