Salco

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Salco

Property Description
Active ingredient Calcitonin Salmon
Form Nasal spray, sterile solution for injection
Pharmacological class Bone metabolism regulator, Peptide hormone analogue
General purpose Management of high bone turnover and calcium regulation disorders
Origin Synthetic analog of a salmon-derived polypeptide

What is Salco and Its Pharmacological Class?

Salco is a prescription medicine categorized as an Established Pharmacologic Class (EPC) Calcitonin. Its active ingredient is Calcitonin Salmon, which is structurally a synthetic analog of the naturally occurring polypeptide hormone calcitonin. The drug is considered a peptide hormone analogue and a bone metabolism regulator because it is designed to mimic the biological actions of the natural hormone. The selection of the salmon-derived sequence is based on its clinical potency and stability compared to native human calcitonin.

Composition and Available Drug Forms

The composition of Salco involves the single-ingredient product Calcitonin Salmon formulated within an aqueous solution base. The medication is presented in two primary dosage forms for flexibility: a sterile solution for injection (for parenteral administration) and a dedicated nasal spray (for intranasal delivery). The availability of the intranasal form is a differentiating factor, as it offers a non-invasive route for certain chronic applications. Calcitonin is a clinically recognized agent in its class, confirming its foundational role in clinical practice.

Salco’s General Purpose and Role

The overarching purpose of Salco is to act as an effective antiresorptive agent that helps stabilize the skeletal structure. This therapeutic role is primarily executed by the drug's core action: the direct inhibition of bone resorption via binding to receptors on osteoclast cells. By reducing the activity of these bone-dissolving cells, the medication supports treatment strategies focused on managing high rates of bone turnover and addressing disorders related to calcium regulation. It is used in scenarios requiring assistance in slowing down accelerated bone loss or rebalancing disturbed calcium homeostasis.

Regulatory References

  1. Calcitonin Salmon Nasal Spray: MedlinePlus Drug Information

What side effects are possible with Salco?

Official Safety Profile of Calcitonin Salmon

The possible adverse reactions documented for Salco (Calcitonin Salmon) are classified according to regulatory standards based on the frequency of occurrence and the affected organ system. This information helps define the medicine's risk profile.


Frequency-Classified Adverse Reactions

Frequency Common Organ System Effects (Examples)
Very Common ( ge 10%) Nausea, vomiting, flushing (of the face or upper body), and nasal symptoms (rhinitis, nasal crusts) with the nasal spray form.
Common (1% to 10%) Headache, dizziness, arthralgia (joint pain), abdominal pain, diarrhea, and epistaxis (nosebleeds) with the nasal spray.
Uncommon Local inflammatory reactions at the injection site (for parenteral use), generalized skin rash, and pruritus.
Rare Transient decrease in calcium levels (hypocalcemia) and serious allergic-type reactions.

Serious Adverse Reactions and Safety Constraints

Regulatory documents list certain reactions that are considered clinically significant:

  • Serious Hypersensitivity: Rare, but severe allergic-type reactions, including anaphylaxis and anaphylactic shock, have been reported in the postmarketing setting.
  • Malignancy Risk: A meta-analysis of clinical trials suggests an increased risk of overall malignancies in patients treated with calcitonin salmon compared to placebo, an association related to long-term exposure.
  • Nasal Monitoring: The nasal spray form carries a risk of nasal adverse reactions, including severe ulceration, necessitating periodic nasal examinations during treatment.
  • Hypocalcemia: Low calcium levels can occur, particularly upon initiation of therapy, and may rarely be associated with tetany or seizure activity.
  • Immunogenicity: The potential for circulating antibodies to Calcitonin Salmon to develop has been reported, which may result in a loss of treatment response over time.

Safety for use has not been established in the pediatric population, and official labeling advises against use during pregnancy.

Overdose and Emergency Response

An overdose of Salco (Calcitonin Salmon) is documented in regulatory sources as an exaggeration of the drug's known pharmacological effects. The documented clinical manifestations may include pronounced acute symptoms such as intense nausea, vomiting, and facial flushing. The most critical physiological finding expected in cases of overdose is hypocalcemia, which signifies a drop in the concentration of calcium in the blood below normal levels.

When a significant overdose occurs, there is an increased potential for profound symptomatic hypocalcemia. This condition may lead to severe neuromuscular consequences, specifically tetany, which is a life-threatening outcome officially acknowledged in regulatory prescribing information.

It is mandated to seek immediate medical attention or contact emergency services immediately for any suspected overdose due to the potential for severe complications. Management is defined as symptomatic and supportive treatment; no specific antidote is known for Salco overdose. Required procedures include the close monitoring of serum calcium levels to accurately assess the degree of hypocalcemia. Hospital monitoring may be necessary, and medical intervention may involve the administration of supplementary calcium to manage the low calcium levels and their associated symptoms.

Therapeutic Uses of Salco

Salco (which contains the active ingredient salbutamol) is commonly used across conditions presenting with acute episodes where supportive relief is needed. In therapeutic domains where short-term symptomatic support is needed, it is relevant for easing symptoms related to heightened physiological activity.

The medication is applied for managing and easing symptom clusters that may become intense or disruptive, such as coughing, wheezing, shortness of breath, and feelings of chest tightness that interfere with daily comfort. This medication is considered relevant for easing symptomatic burden in conditions like asthma and COPD (Chronic Obstructive Pulmonary Disease).

Salco may also assist with prevention, as it can be used before engaging in activities like exercise or exposure to known triggers that typically cause symptoms to escalate temporarily. This is relevant in contexts involving heightened systemic burden.

Quick Fact: Supports easing wheezing and shortness of breath

Using Salco provides support that helps ease the overall symptom burden, contributes to improved comfort during periods of heightened symptoms, and assists with maintaining functional stability during symptomatic periods.

“This medicine may help patients cope more steadily with symptom fluctuations, supporting general well-being during symptomatic phases.”

Eligibility and Restrictions for Use

Salco (Calcitonin Salmon) is absolutely contraindicated in patients who have a known hypersensitivity to the medicine or any of its inactive ingredients. It is also prohibited for use in patients with uncorrected hypocalcemia (low calcium levels), a condition that must be stabilized prior to treatment initiation as defined by regulatory labeling.

Use is generally limited to the adult population (aged 18 and older). Safety and efficacy in the pediatric population (children and adolescents) have not been established by regulatory authorities. Due to potential risks, use during pregnancy is generally restricted and considered only if medically essential, and breastfeeding is not recommended while undergoing treatment.

Patients with renal impairment require caution and potential close monitoring as the drug is cleared through the kidneys. Furthermore, specific long-term uses of the medicine are subject to regulatory restrictions and may be reserved for patients who cannot use alternative therapies, based on official reviews of malignancy risk profiles.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The term "Salco" is not associated with an officially recognized medicinal product in major governmental regulatory databases, such as those maintained by the U.S. Food and Drug Administration (FDA) or the European Medicines Agency (EMA). Consequently, there is no official regulatory documentation detailing the interaction profile for a drug named Salco.

Authoritative sources do not contain official interaction statements regarding:

  • Specific interacting medicines (e.g., product names or active substances)
  • Medicinal product categories (e.g., NSAIDs, antifungals, or antiarrhythmics)
  • Mechanistic basis of interactions (e.g., CYP enzyme inhibition or transporter effects)
Interaction Scope Element Official Regulatory Status
Interacting Product Categories Undocumented
Timing-Based Interaction Rules Undocumented
Population-Specific Interaction Notes Undocumented

Because there is no official drug label or monograph, regulatory sources do not define any interaction-related constraints, usage restrictions, or clinical significance classifications for this name. Any information regarding potential drug-drug or drug-food interactions for a product labeled "Salco" would not be grounded in officially documented governmental drug interaction profiles.

Mechanism of Action

The action of Calcitonin Salmon (Salco) is governed by its selective role as an agonist at the Calcitonin Receptor (CTR), a G-protein coupled receptor, driving two primary and distinct mechanistic domains.


Targeted Inhibition of Bone Resorption

This core mechanism involves the drug's binding to CTRs located on osteoclasts, the cells responsible for bone breakdown. This molecular interaction triggers an immediate intracellular cAMP signaling cascade, leading to the rapid structural collapse of the cell's ruffled border and its acute quiescence (inactivation). This action curtails the release of minerals from the skeleton, which is relevant for the modulation of serum calcium levels.


Dual Pathway Modulation of Nociception and Mineral Balance

The mechanism affects systemic pathways through CTRs found in both renal tubular cells and the Central Nervous System (CNS). Activation in the kidney tubules increases the renal excretion of calcium and phosphate, contributing to the hypocalcemic effect. Separately, its influence on central CTRs modulates serotonergic and related pathways, resulting in the adjustment of the transmission and perception of nociceptive signals.

Dosage and Administration Information

Salco (Calcitonin Salmon) is administered through two approved methods: an intranasal spray for topical/mucosal delivery and a sterile solution for injection allowing subcutaneous (SC), intramuscular (IM), or intravenous (IV) parenteral routes. The chosen route and dose are determined by the clinical context, in accordance with clinical standards.

For postmenopausal osteoporosis, the standard regimen is one 200 IU spray administered intranasally once daily. In contrast, managing conditions requiring rapid calcium regulation involves the parenteral form, beginning at an initial dose of 4 IU/kg body weight, administered in divided doses every 12 hours (SC or IM), with the potential for titration up to a maximum of 8 IU/kg every 6 hours.

Correct administration requires adherence to several procedural rules. Patients using the nasal spray must alternate nostrils daily to ensure consistent absorption, and the device should only be primed before the first use. Regardless of the route, the medication must be used in conjunction with adequate calcium and Vitamin D intake, which is integral to the use protocol. For parenteral use, rotation of injection sites is necessary.

The duration of use is defined by the clinical presentation: the injectable form for acute conditions is limited to a short duration, while chronic use requires periodic re-evaluation by a prescriber to assess the need for continuation. Official labeling specifies that no dose adjustment is required for older adults, but a dosage has not been established for pediatric patients.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Salco (Calcitonin Salmon)


Evidence for Use in Postmenopausal Osteoporosis

Research has been studied for Salco in long-term, large-scale Randomized Controlled Trials (RCTs) involving postmenopausal women, examining the occurrence of new spinal (vertebral) fractures and changes in Bone Mineral Density (BMD). Some trials reported that measurements related to new vertebral fracture occurrences were observed in the studied population. Research also describes patterns where measurements of BMD showed less fluctuation or minor shifts over the intermediate term. The evidence relating to non-vertebral fractures was reported in some studies to show variability, and findings were mixed.

Limited information is available on how the therapy was evaluated over periods longer than five years, as follow-up durations were limited in the key studies. Furthermore, the evidence quality varies across studies, and there is uncertainty regarding the consistency of results across all types of fractures.


Evidence for Use in Paget's Disease of Bone

Salco was evaluated in earlier clinical trials that studied patients with Paget's disease of bone. Research examined the therapy’s influence on biochemical markers, such as serum alkaline phosphatase (S-ALP), and explored how patients reported their experience related to outcomes like physical discomfort. Research highlights changes measured in the study period; measurements of the high S-ALP levels in the observed population trended toward a more typical range. This evidence contributes to understanding symptom patterns and data show patterns related to the bone turnover process. Comparative evidence is lacking against the most modern and potent treatments available today.


What Remains Uncertain in the Research

The overall evidence base contains areas where certainty remains low. Long-term effects are not fully established beyond the typical five-year trial duration. Findings were mixed regarding the influence on non-vertebral fractures, which is a key area of clinical interest. Comparative evidence is lacking in modern trials against the current standard-of-care treatments for osteoporosis and Paget’s disease.

Frequently Asked Questions (FAQ)

Common questions about Salco (FAQ)


Q: Is Salco a type of antibiotic?

Salco's active ingredient, Calcitonin Salmon, is officially classified as a calcitonin receptor agonist. This means it is a type of medicine that mimics a natural hormone to help regulate bone metabolism and calcium levels. It is defined in regulatory documents as a peptide hormone analogue, and it is not in the antibiotic class of medicines.


Q: What are the most commonly reported side effects of Salco?

According to the official product information, the most commonly reported effects depend on the form used. For the nasal spray, very common effects include irritation or crusts inside the nose, as well as nausea and vomiting. For the injectable form, common effects include flushing of the face or upper body, injection site reactions, and gastrointestinal symptoms like nausea.


Q: Is it necessary to have routine blood tests while taking Salco?

Official safety information indicates that Salco can temporarily decrease calcium levels in the blood, a condition called hypocalcemia. Because of this, monitoring of serum calcium levels may be necessary, especially when starting the treatment. This monitoring is intended to help maintain calcium levels within an appropriate range.


Q: Why do official documents mention specific populations that should avoid Salco?

Regulatory documents outline specific restrictions to manage known safety risks. For example, the drug is prohibited for use in individuals with known hypersensitivity to any of its components or those with uncorrected low calcium levels (hypocalcemia). Furthermore, use during pregnancy is restricted, and safety and effectiveness have not been established in the pediatric population.


Q: Can Salco cause unexpected weight changes?

The regulatory safety documents list side effects based on how frequently they are reported in clinical trials. Unexpected weight changes are not listed among the common or very common adverse reactions associated with Salco.


Q: Is it true that Salco can affect sleep?

Official safety information does not commonly list sleep disturbances, such as difficulty falling asleep or drowsiness, as a reported adverse reaction. The frequency of side effects is classified based on data collected during official studies and monitoring.


Q: What should I do if a side effect from Salco feels unusual or severe?

Official patient materials direct users to contact a healthcare provider immediately or seek emergency medical help if they experience symptoms of a serious allergic reaction or any side effect that feels severe or unusual.


Q: Are there any foods or drinks that should be avoided when taking Salco?

The official use protocol does not specify certain foods or drinks to avoid. However, regulatory documents stress that the medicine must be used alongside adequate intake of calcium and Vitamin D. This complementary intake is considered integral to the treatment's intended action.


Q: How is Salco different from a placebo in clinical trials?

Studies described in regulatory documents examined Salco's effects compared to a control group (such as a placebo) in areas like postmenopausal osteoporosis. Evidence from these trials focused on measurements related to the occurrence of new vertebral fractures and changes in Bone Mineral Density (BMD) over time.


Q: Why does Salco need a prescription?

Salco is designated as a prescription-only medicine (POM) because of the potential for certain serious adverse reactions. These include the rare risk of severe allergic reactions or the need to monitor for low calcium levels (hypocalcemia). Therefore, medical oversight is required during its use.


Q: Is Salco available as a generic medicine?

Yes, the active ingredient in Salco, which is Calcitonin Salmon, is available in generic form.


Q: Are there any official safety warnings or advisories issued for Salco?

Official regulatory documents contain specific warnings to guide long-term use and monitoring. These include advisories regarding a potential increased risk of overall malignancies associated with prolonged exposure. The nasal spray form also requires periodic nasal examinations to check for potential adverse effects.


Q: Is Salco habit-forming or addictive?

Salco is classified in official documents as a non-controlled substance. Regulatory information does not list the risks of dependence, tolerance, or addiction in connection with this medicine.


Q: Why is it important to take Salco exactly as directed by a healthcare provider?

Adherence to directions is important to support the medicine's consistent absorption, such as by alternating nostrils for the nasal spray. Regulatory guidance also emphasizes consistency to comply with the required use of the medication alongside adequate calcium and Vitamin D intake. These factors are integral to achieving the drug’s intended effects.


Q: Is Salco used in combination with other treatments?

Yes, the official protocol for using Salco specifies that it should be used in conjunction with other components of a treatment plan. Specifically, the medication is directed for use with adequate intake of both calcium and Vitamin D.


Q: How quickly does the effect of Salco wear off after I stop taking it?

Pharmacokinetic information, which describes how the body processes the drug, indicates that Salco has a short elimination half-life after injection. The official profile for the subcutaneous form is approximately 1 to 1.5 hours, which describes how quickly the drug is cleared from the body.


Q: Is it true that Salco can cause dry mouth?

Dry mouth is not listed as a commonly reported adverse reaction in the official frequency-classified safety tables. Adverse reactions are defined by regulatory sources based on data collected during clinical studies.


Q: What is the intended duration of action for a single dose of Salco?

For the injectable form, particularly when used to regulate high calcium levels, the duration of action for a single dose is approximately 6 to 8 hours. This duration indicates the period during which the drug is actively working in the body.


Q: Does Salco affect driving ability?

The official safety profile lists certain common side effects, such as dizziness and headache. Official guidance notes that due to the risk of these effects, caution may be necessary when engaging in activities such as driving or operating heavy machinery.

How should Salco be stored and disposed of?

How to Store and Dispose of Salco?

Official storage requirements for Salco (Calcitonin Salmon) are based on the product’s status:


Storage Conditions

Product Status Required Storage Environment
Unopened Nasal Spray/Injection Store in a refrigerator (2 C to 8 C). Do not freeze.
Opened Nasal Spray Store at room temperature (20 C to 25 C). Do not refrigerate between doses.

Store the medicine in its original container, tightly closed, and keep it out of the sight and reach of children.

Stability and Disposal

The opened nasal spray must be discarded 30 to 35 days after the first use, even if medicine remains. Dispose of expired or unused Salco according to local regulatory requirements; do not throw it into household waste or wastewater. Used needles and syringes must be placed in a designated sharps container.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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