Problem

Find another product name for each of the muscle relaxants listed in the Representative Dr...

Find another product name for each of the muscle relaxants listed in the Representative Drugs table on pages 414–416 of this text.

Representative Drugs for the Musculoskeletal System

Category, Namea, and Route

Uses and Diseases

Actions

Usual Doseb and Special Instructions

Side Effects and Adverse Reactions

Tumor Necrosis Factor-Alpha Drugs

Adalimumab (Humira) Subcutaneous

May be used alone or with methotrexate to decrease the symptoms of rheumatoid arthritis to improve physical function and inhibit the progression of structural damage

Tumor necrosis factor-alpha (TNF-alpha) or immunomodulator binds to TNF-alpha and blocks interaction with certain cell surface receptors, which results in a decrease in the inflammation, erythrocyte sedimentation rate, and serum cytokines

40 mg subcutaneously every other week

Serious infections and sepsis in patients receiving immunosupressants, nausea, vomiting, abdominal pain, confusion, headache, hypertension, urinary tract infections

Etanercept (Enbrel) Subcutaneous

Decreases the symptoms and delays structural damage while improving physical functioning in moderate to severe rheumatoid arthritis

Binds to tumor necrosis factor and blocks its interaction with cell surface TNF receptors

50 mg subcutaneously every other week

Abdominal pain, nausea, vomiting, altered taste sensation, headache, dizziness, depression, upper respiratory infections, ocular inflammation, dry eyes, peripheral edema, anorexia, weight gain

Anti-Inflammatory Drugs (Antiarthritics)

Aspirin Oral, suppository

Mild to moderate pain, inflammatory diseases (e.g., osteoarthritis)

Reduces pain (analgesic), inflammation (anti-inflammatory), and fever (antipyretic); inhibits prostaglandin synthesis

Mild pain: 325–650 mg every 4 hours prn Rheumatoid arthritis: 3.6–5.4 g daily in divided doses; give oral forms with food, milk, or full glass of water to avoid stomach irritation unless enteric coated

Nausea, stomach pain, indigestion, gastrointestinal bleeding; overdose: tinnitis, rapid breathing, dizziness, severe headache

Nonsteroidal Anti-Inflammatory Drugs

Ibuprofen (Motrin, prescription; Nuprin, Advil, OTC) Oral

Rheumatoid arthritis, osteoarthritis, mild to moderate pain

Reduces pain, inflammation, fever; inhibits prostaglandin synthesis

200–800 mg po tid or qid, adjusted individually; give with milk or food if stomach irritation occurs; takes up to 2 weeks to show effects; if no relief in 2 weeks, consult physician

Epigastric distress, nausea, headache, dizziness, tinnitus, rash, visual disturbances, gastrointestinal bleeding, renal impairment

Naproxen (Naprosyn) Oral

Rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, tendonitis, bursitis, acute gout

Inhibits prostaglandin synthesis; is an anti-inflammatory agent with antipyretic and analgesic effects

250–500 mg bid in morning and evening for rheumatoid arthritis, osteoarthritis, ankylosing spondylitis; for gout: 750 mg, then 250 mg every 8 hours until attack subsides

Gastrointestinal bleeding, heartburn, nausea, headache, dizziness, itching, tinnitis, edema

Celecoxib (Celebrex) Oral

Acute and chronic rheumatoid arthritis, osteoarthritis (COX-2 inhibitors)

Inhibits prostaglandin synthesis; has analgesic, anti-inflammatory, and antipyretic properties

100–200 mg po bid

Tachycardia, fatigue, anxiety, depression, nausea, vomiting, constipation, dry mouth, nephrotoxicity, hematuria, blood dyscrasias

Indomethacin (Indocin) Oral

Moderate to severe rheumatoid arthritis including acute flare-ups of chronic disease, moderate to severe ankylosing spondylitis, moderate to severe osteoarthritis, bursitis, tendonitis, acute gouty arthritis

Inhibits prostaglandin synthesis; is an antiinflammatory agent with ability to relieve pain, swelling, fever of arthritis

25–50 mg bid-tid; may increase by 25 mg daily; do not exceed 200 mg daily

Nausea, vomiting, indigestion, dizziness, headache, fatigue, tinnitis, renal impairment, gastrointestinal bleeding

Gold

Auranofin (Ridaura) Oral

Rheumatoid arthritis; synovitis in early stage

Unknown; has anti-inflammatory effects caused by inhibition of cellular metabolism

6 mg po bid, increased to 9 mg after 6 months if response is inadequate

Diarrhea, pruritus, rash, alopecia, nausea, vomiting, conjunctivitis, proteinuria, anemia, leukopenia, eosinophilia, thrombocytopenia, stomatitis

Antihyperuricemics

Allopurinol (Zyloprim) Oral

Gout, excess uric acid, prevention of hyperuricemia associated with cancer chemotherapy

Suppresses formation of uric acid

100 mg po daily; take with meals and drink 10–12 glasses of fluid daily

Drowsiness, vomiting, rash, headache

Sulfinpyrazone (Anturane) Oral

Chronic and intermittent gouty arthritis

Blocks renal tubular reabsorption of uric acid and increases renal excretion of uric acid

100–200 mg po bid first week, then 200–400 mg po bid, maximum dose 800 mg, with meals or milk, individualized

Upper gastrointestinal disturbances, nausea, rash

Colchicine Oral, IV

Acute gout

Inhibits inflammatory response

Oral: 0.5–0.6 mg po daily, then 1 tab every hour until pain relief occurs or adverse gastrointestinal effects develop

Diarrhea, nausea, vomiting, bone marrow depression, neuritis, aplastic anemia

Muscle Relaxants

Carisoprodol (Soma) Oral

Acute, painful musculoskeletal conditions

Unknown; blocks interneuronal activity in descending reticular formation and spinal cord

350 mg qid

Drowsiness, dizziness, vertigo, skin rash, fever, tachycardia, nausea, hypotension, leukopenia, gastrointestinal upset

Methocarbamol (Robaxin) Oral, I V, IM

Acute, painful musculoskeletal conditions

Unknown; depresses central nervous system

Initial: 1500 mg qid; Maintenance: 1000 mg qid

Lightheadedness, dizziness, drowsiness, nausea, rash, pruritus, and other allergic manifestations; avoid alcohol

Baclofen (Lioresal) Oral

Muscle spasm

Reduces transmission of impulses from spinal cord to skeletal muscle

5 mg tid; increase dose slowly; do not exceed 80 mg/day; do not discontinue abruptly; give with meals to decrease GI distress

Drowsiness, confusion, dizziness, nausea, constipation; avoid alcohol

Bone Growth Regulators

Alendronate (Fosamax) Oral

Osteoporosis

Inhibits osteoclast activity, preventing bone resorption (Bisphosphonate)

5 mg daily or 35 mg once weekly

Flatulence, acid regurgitation, esophageal ulcer, dysphagia, symptomatic esophageal diseases, gastritis, duodenitis, ulcers

Ibandronate (Boniva) Oral

Osteoporosis

Inhibits osteoclast activity, preventing bone resorption (Bisphosphonate)

2.5 mg daily taken 60 minutes before any food or fluids except plain water; 150 mg taken once a month

Upper gastrointestinal disorders, dyspepsia, diarrhea, tooth disorder, vomiting, headache, myalgia

Antineoplastic Drug

Methotrexate Oral, IV

Severe rheumatoid arthritis

Binds with folic acid to inhibit synthesis of DNA and RNA

7.5 mg weekly, either as an initial single dose or as divided doses

Blood disorders, gastrointestinal bleeding, nausea, vomiting, liver toxicity

a Trade names given in parentheses are examples only. Check current drug references for a complete listing of available products.

b Average adult doses are given. However, dosages are determined by a physician and vary with the purpose of the therapy and the particular patient. The doses presented in this text are for general information only.

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