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.
Answers will vary depending on the edition of the PDR® used.