Indications |
Nasal Postmenopausal osteoporosis Adult: 200 units daily, alternating nostrils everyday. Renal impairment: Dosage reduction may be required. Parenteral Paget's disease of bone Adult: Initial dose: 100 units SC/IM daily. Maintenance regimen: 50 units SC/IM 3 times wkly to 100 units daily in patients with serious bone deformity or neurologic involvement. Renal impairment: Dosage reduction may be required. Parenteral Adjunct in hypercalcaemia Adult: 100 units every 6-8 hr by SC/IM inj. Adjust dose according to response. In severe cases, IV infusion up to 10 units/kg can be given over 6 hr. Max: 400 units every 6-8 hr. Renal impairment: Dosage reduction may be required. Parenteral Postmenopausal osteoporosis Adult: 100 units daily or every other day by SC/IM Inj together with calcium and vitamin D supplements. Renal impairment: Dosage reduction may be required. Parenteral Bone pain due to malignant neoplasms Adult: 200 units 4 times daily or 400 units bid for up to 48 hr by SC/IM inj. Renal impairment: Dosage reduction may be required. Intravenous Emergency treatment of hypercalcaemia Adult: 5-10 units/kg daily in 500 ml of 0.9% sodium chloride by slow IV infusion over 6 hr. Renal impairment: Dosage reduction may be required. |
Contraindications |
Hypersensitivity. |
Warnings / Precautions |
Prior intradermal test preferably done. Children <18 yr, renal impairment. Pregnancy, lactation. |
Adverse Reactions |
Nausea, vomiting, tingling of hands; Inj site inflammatory reactions, rashes, facial flushing, bronchospasm, headache, unusual taste, abdominal pain, anorexia. Nasal: Local irritation, ulceration, rhinitis, sinusitis, epistaxis. Potentially Fatal: Anaphylactic shock. |
Overdose Reactions |
May cause nausea and vomiting. Treatment may include parenteral admin of calcium. |
Drug Interactions |
Concurrent use with digitalis, mithramycin, or biphosphonate resorption inhibitors calls for dosage adjustments of these drugs. See Below for More calcitonin, salmon Drug Interactions |
Mechanism of Actions |
Calcitonin inhibits osteoclastic bone resorption and reduces bone turnover. It decreases tubular reabsorption and promotes renal excretion of calcium, phosphate, sodium, magnesium and potassium. Absorption: Rapidly inactivated (oral); peak plasma concentrations after 30-40 min (nasal), 15-25 min (IM). Distribution: Protein binding: 30-40%. Metabolism: Rapidly in the kidneys; blood and peripheral tissues. Excretion: Urine (inactive metabolites, small amounts of unchanged drug); 70-90 min (elimination half-life). |
Storage Conditions |
Intravenous: Refrigerate at 2-8°C. Nasal: Refrigerate at 2-8°C. Parenteral: Refrigerate at 2-8°C. |
Storage |
Intravenous: Refrigerate at 2-8°C. Nasal: Refrigerate at 2-8°C. Parenteral: Refrigerate at 2-8°C. |
Available As |
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Calcitonin
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Calcitonin Containing Brands
Calcitonin is used in following diseases
Drug - Drug Interactions of Calcitonin
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