Calcipotriene/betamethasone Susp

Manufacturer TOLMAR Active Ingredient Calcipotriene and Betamethasone Gel and Topical Suspension(kal si POE try een & bay ta METH a sone) Pronunciation kal si POE try een & bay ta METH a sone
It is used to treat plaque psoriasis. It may be given to you for other reasons. Talk with the doctor.
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Drug Class
Antipsoriatic, Corticosteroid (topical)
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Pharmacologic Class
Vitamin D analog, Corticosteroid (topical)
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Pregnancy Category
Category C
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FDA Approved
Nov 2009
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

This medication is a combination of two active ingredients: calcipotriene, a form of vitamin D, and betamethasone, a strong steroid. It is used on the skin to treat plaque psoriasis. Calcipotriene helps slow down the overgrowth of skin cells, and betamethasone helps reduce redness, itching, and inflammation.
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How to Use This Medicine

Proper Use of This Medication

To use this medication correctly, follow your doctor's instructions and read all the information provided. It is essential to use this medication only as directed.

Application Instructions

Apply this medication only to your skin, avoiding ingestion or contact with your mouth, nose, and eyes, as it may cause burning.
Do not apply to sensitive areas, including the face, underarms, groin, or skin that is thinning.
Avoid applying to the vaginal area.
Before and after use, wash your hands thoroughly, unless your hand is the treated area, in which case you should not wash it after application.
Gently rub a thin layer of the medication onto the affected skin area.
Unless instructed by your doctor, do not cover the treated area with bandages, dressings, or makeup.
Before applying, shake the medication well.

Scalp Application

To apply to the scalp, part your hair and gently rub the medication onto the affected area.
Allow the medication to dry before styling your hair as usual.
If you have chemically treated hair, wait 12 hours before applying the medication.
Avoid washing your hair immediately after application.

Storage and Disposal

Store the medication at room temperature, avoiding freezing.
Keep the lid tightly closed and store all medications in a safe location, out of reach of children and pets.

Missed Dose

If you miss a dose, apply it as soon as you remember.
If it is close to the time for your next dose, skip the missed dose and resume your regular schedule.
Do not apply two doses at once or use extra doses to make up for a missed dose.
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Lifestyle & Tips

  • Apply a thin layer to affected areas only, once daily, as directed by your doctor.
  • Do not apply to the face, groin, or armpits, or if skin atrophy is present.
  • Wash your hands thoroughly after applying the medication.
  • Avoid contact with eyes, mouth, and other mucous membranes.
  • Do not use more than 60 grams per week.
  • Do not use for longer than 4 weeks unless directed by your doctor.
  • Avoid excessive exposure to natural or artificial sunlight (tanning beds, sunlamps) while using this medication, as calcipotriene can increase sensitivity to UV light.
  • Do not use with occlusive dressings (e.g., bandages, plastic wrap) unless specifically instructed by your doctor, as this can increase absorption and side effects.

Dosing & Administration

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Adult Dosing

Standard Dose: Apply to affected areas once daily for up to 4 weeks. Do not exceed 60 grams per week.

Condition-Specific Dosing:

Psoriasis Vulgaris: Apply once daily to affected areas for up to 4 weeks. Treatment beyond 4 weeks should be re-evaluated by a physician. Do not exceed 60 grams per week.
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Pediatric Dosing

Neonatal: Not established
Infant: Not established
Child: Not established for children under 12 years of age.
Adolescent: For adolescents 12 years and older: Apply to affected areas once daily for up to 4 weeks. Do not exceed 60 grams per week.
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Dose Adjustments

Renal Impairment:

Mild: No specific adjustment recommended due to minimal systemic absorption.
Moderate: No specific adjustment recommended due to minimal systemic absorption.
Severe: No specific adjustment recommended due to minimal systemic absorption. Use with caution in patients with severe renal impairment due to potential for systemic effects if extensively absorbed.
Dialysis: Considerations: Not specifically studied. Use with caution if extensive application is required.

Hepatic Impairment:

Mild: No specific adjustment recommended due to minimal systemic absorption.
Moderate: No specific adjustment recommended due to minimal systemic absorption.
Severe: No specific adjustment recommended due to minimal systemic absorption. Use with caution in patients with severe hepatic impairment due to potential for systemic effects if extensively absorbed.

Pharmacology

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Mechanism of Action

Calcipotriene is a synthetic analog of vitamin D3. It regulates cell proliferation and differentiation, inhibiting keratinocyte proliferation and promoting their differentiation, which helps normalize abnormal cell growth in psoriasis. Betamethasone dipropionate is a high-potency corticosteroid. It exerts anti-inflammatory, antipruritic, and vasoconstrictive actions. Corticosteroids are thought to act by inducing phospholipase A2 inhibitory proteins, lipocortins, which control the biosynthesis of potent mediators of inflammation such as prostaglandins and leukotrienes by inhibiting the release of their common precursor, arachidonic acid.
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Pharmacokinetics

Absorption:

Bioavailability: Calcipotriene: Approximately 6% of the applied dose is absorbed systemically. Betamethasone dipropionate: Approximately 5% of the applied dose is absorbed systemically.
Tmax: Not well-defined for topical application; systemic levels peak hours after application.
FoodEffect: Not applicable for topical formulation.

Distribution:

Vd: Not available for topical application.
ProteinBinding: Calcipotriene: Approximately 60% bound to plasma proteins. Betamethasone: Highly protein-bound.
CnssPenetration: Limited

Elimination:

HalfLife: Not clinically relevant for topical application due to low systemic exposure and rapid metabolism.
Clearance: Not available for topical application.
ExcretionRoute: Calcipotriene metabolites primarily excreted in feces, some in urine. Betamethasone metabolites primarily excreted in urine.
Unchanged: Minimal
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Pharmacodynamics

OnsetOfAction: Clinical improvement typically seen within 1-2 weeks.
PeakEffect: Maximal effect usually observed within 4 weeks of treatment.
DurationOfAction: Variable; effects persist for some time after discontinuation, but relapse is common.

Safety & Warnings

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Side Effects

Urgent Side Effects: Seek Medical Help Right Away

Although rare, some people may experience severe and potentially life-threatening side effects while taking this medication. If you notice any of the following symptoms, contact your doctor or seek immediate medical attention:

Signs of an allergic reaction, such as:
+ Rash
+ Hives
+ Itching
+ Red, swollen, blistered, or peeling skin with or without fever
+ Wheezing
+ Tightness in the chest or throat
+ Trouble breathing, swallowing, or talking
+ Unusual hoarseness
+ Swelling of the mouth, face, lips, tongue, or throat
Signs of high calcium levels, including:
+ Weakness
+ Confusion
+ Feeling tired
+ Headache
+ Upset stomach and vomiting
+ Constipation
+ Bone pain
Signs of a weak adrenal gland, such as:
+ Severe upset stomach or vomiting
+ Severe dizziness or passing out
+ Muscle weakness
+ Feeling very tired
+ Mood changes
+ Decreased appetite
+ Weight loss
Signs of Cushing's syndrome, including:
+ Weight gain in the upper back or belly
+ Moon face
+ Severe headache
+ Slow healing
Signs of high blood sugar, such as:
+ Confusion
+ Feeling sleepy
+ Unusual thirst or hunger
+ Passing urine more often
+ Flushing
+ Fast breathing
+ Breath that smells like fruit
Skin changes, including:
+ Pimples
+ Stretch marks
+ Slow healing
+ Hair growth
Irritation where the medication was applied
Skin breakdown where the medication is used
Change in skin color
Change in eyesight

Other Possible Side Effects

Like all medications, this drug can cause side effects. Many people may not experience any side effects or may only have mild ones. If you notice any of the following side effects or any other symptoms that bother you or do not go away, contact your doctor:

* Itching

This is not an exhaustive list of all possible side effects. If you have questions or concerns about side effects, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
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Seek Immediate Medical Attention If You Experience:

  • Increased skin irritation, redness, or itching at the application site.
  • Signs of skin thinning (atrophy), such as shiny skin, easy bruising, or stretch marks.
  • Signs of infection (e.g., pus, fever).
  • Symptoms of high blood sugar (e.g., increased thirst, increased urination).
  • Symptoms of Cushing's syndrome (e.g., weight gain, round face, muscle weakness).
  • Symptoms of high calcium levels (e.g., nausea, vomiting, constipation, muscle weakness, fatigue, confusion).
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Before Using This Medicine

Before Taking This Medication: Important Information to Share with Your Doctor

It is essential to inform your doctor about the following:

Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Be sure to describe the allergic reaction you experienced, including any symptoms that occurred.
If you have elevated calcium levels in your blood.
If you currently have a skin infection.
If the skin where you will be applying this medication is thinning.

This list is not exhaustive, and it is crucial to discuss all your medications (including prescription, over-the-counter, natural products, and vitamins) and health conditions with your doctor and pharmacist. They will help determine if it is safe to take this medication with your other medications and health conditions. Never start, stop, or adjust the dosage of any medication without first consulting your doctor.
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Precautions & Cautions

It is essential to inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication. Regular blood tests will be necessary, as directed by your doctor, to monitor your condition. Be sure to discuss any concerns or questions with your doctor.

Before using any other medications or skin products, including soaps, consult with your doctor to ensure safe use. If you are undergoing light therapy, notify your doctor to avoid any potential interactions.

When applying this medication, avoid putting it on cuts, scrapes, or damaged skin. Exercise caution when applying it to large areas of skin or near open wounds, and consult with your doctor if you have any concerns.

To minimize the risk of severe side effects, use this medication only as directed by your doctor. Do not exceed the recommended dosage, frequency, or duration of treatment, as this may increase the likelihood of adverse reactions.

You may be more susceptible to sunburn while using this medication. To protect yourself, avoid exposure to sunlight, sunlamps, and tanning beds, and use sunscreen and protective clothing and eyewear when outdoors.

Prolonged use of this medication may increase the risk of developing cataracts or glaucoma. Discuss this potential risk with your doctor and monitor your eye health accordingly.

When using this medication in children, exercise caution, as the risk of certain side effects may be higher in this population. In some cases, this medication may affect growth in children and teenagers, and regular growth checks may be necessary. Consult with your doctor to discuss the potential risks and benefits.

If you are pregnant, planning to become pregnant, or breastfeeding, inform your doctor to discuss the potential benefits and risks to you and your baby. When breastfeeding, avoid applying this medication directly to the nipple or surrounding area to prevent potential harm to your baby.
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Overdose Information

Overdose Symptoms:

  • Excessive use may lead to systemic corticosteroid effects (e.g., Cushing's syndrome, adrenal suppression) or hypercalcemia (due to calcipotriene).
  • Symptoms of hypercalcemia include nausea, vomiting, constipation, muscle weakness, fatigue, confusion, and increased urination.

What to Do:

If you suspect an overdose or experience severe side effects, seek immediate medical attention. Call your doctor or poison control center (1-800-222-1222). Treatment is symptomatic and supportive. Discontinue the medication and monitor serum calcium and HPA axis function.

Drug Interactions

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Moderate Interactions

  • Other topical corticosteroids (increased risk of systemic effects)
  • Other vitamin D analogs (increased risk of hypercalcemia)

Monitoring

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Baseline Monitoring

Psoriasis severity and extent

Rationale: To establish baseline for efficacy assessment.

Timing: Prior to initiation of therapy.

Skin integrity of affected areas

Rationale: To identify pre-existing skin damage that may affect absorption or increase risk of adverse effects.

Timing: Prior to initiation of therapy.

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Routine Monitoring

Clinical efficacy (reduction in plaques, erythema, scaling)

Frequency: Weekly or as clinically indicated during treatment period.

Target: Improvement in psoriasis symptoms.

Action Threshold: Lack of improvement or worsening of condition may require re-evaluation of diagnosis or treatment.

Local skin reactions (e.g., irritation, burning, itching, atrophy, striae)

Frequency: At each follow-up visit.

Target: Minimal to no local reactions.

Action Threshold: Severe or persistent reactions may necessitate discontinuation or dose adjustment.

Signs of systemic corticosteroid absorption (e.g., Cushing's syndrome, hyperglycemia, glucosuria)

Frequency: Periodically, especially with extensive use, prolonged treatment, or occlusive dressings.

Target: Normal HPA axis function, normal blood glucose.

Action Threshold: Any signs of systemic absorption warrant immediate medical evaluation and potential discontinuation.

Signs of hypercalcemia (e.g., nausea, vomiting, constipation, muscle weakness, fatigue)

Frequency: Rarely needed, but consider if exceeding recommended dose or surface area.

Target: Normal serum calcium levels.

Action Threshold: Symptoms of hypercalcemia or elevated serum calcium levels require immediate medical attention.

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Symptom Monitoring

  • Skin irritation
  • Burning
  • Itching
  • Erythema
  • Folliculitis
  • Skin atrophy
  • Striae
  • Telangiectasias
  • Acneiform eruptions
  • Perioral dermatitis
  • Secondary infection
  • Signs of Cushing's syndrome (e.g., moon face, buffalo hump, central obesity)
  • Hyperglycemia
  • Glucosuria
  • Symptoms of hypercalcemia (e.g., nausea, vomiting, constipation, muscle weakness, fatigue, confusion)

Special Patient Groups

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Pregnancy

Pregnancy Category C. There are no adequate and well-controlled studies in pregnant women. Animal studies have shown teratogenic effects with high doses of both calcipotriene and betamethasone. This medication should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Trimester-Specific Risks:

First Trimester: Potential for teratogenic effects based on animal data; avoid if possible.
Second Trimester: Use with caution; systemic absorption is minimal but potential for fetal exposure exists.
Third Trimester: Use with caution; potential for fetal exposure and effects on HPA axis.
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Lactation

It is not known whether calcipotriene or betamethasone are excreted in human milk following topical application. Systemic absorption is low, but caution should be exercised when administered to a nursing woman. Avoid applying to the breast area to prevent infant ingestion.

Infant Risk: Low risk with proper application, but potential for exposure exists. Monitor infant for adverse effects.
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Pediatric Use

Safety and effectiveness in pediatric patients under 12 years of age have not been established. Children may be more susceptible to systemic toxicity from topical corticosteroids due to a larger skin surface area to body weight ratio and immature skin barrier. Adrenal suppression and Cushing's syndrome have been reported in children receiving topical corticosteroids. Use with caution and for the shortest duration possible in adolescents 12 years and older.

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Geriatric Use

No overall differences in safety or effectiveness were observed between elderly subjects and younger subjects. However, elderly patients may have thinner skin and be more susceptible to skin atrophy and other local side effects. Use with caution and monitor for adverse reactions.

Clinical Information

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Clinical Pearls

  • This combination product is highly effective for plaque psoriasis but should be used judiciously due to the potent corticosteroid component.
  • Advise patients to apply a thin layer only to affected areas and to wash hands thoroughly after application to avoid accidental transfer to sensitive areas like the face or eyes.
  • Emphasize the importance of not exceeding the recommended dose (60g/week) or duration (4 weeks) to minimize the risk of systemic side effects (HPA axis suppression, hypercalcemia).
  • Educate patients about signs of skin atrophy (thinning, bruising, stretch marks) and systemic effects, and to report them promptly.
  • Consider alternative or rotational therapies for long-term management to reduce cumulative corticosteroid exposure.
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Alternative Therapies

  • Topical corticosteroids (e.g., clobetasol, fluocinonide)
  • Topical vitamin D analogs (e.g., calcipotriene, calcitriol)
  • Topical retinoids (e.g., tazarotene)
  • Topical calcineurin inhibitors (e.g., tacrolimus, pimecrolimus - off-label for psoriasis)
  • Coal tar
  • Anthralin
  • Phototherapy (UVB, PUVA)
  • Systemic therapies for severe psoriasis (e.g., methotrexate, cyclosporine, biologics, oral retinoids, apremilast)
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Cost & Coverage

Average Cost: Highly variable, typically $500 - $1000+ per 60g bottle
Insurance Coverage: Tier 3 or 4 (Non-preferred brand), may require prior authorization.
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General Drug Facts

If your symptoms or health issues persist or worsen, it is essential to contact your doctor promptly. To ensure safe and effective treatment, never share your medication with others or take someone else's medication. Some medications may come with an additional patient information leaflet, so it's a good idea to check with your pharmacist for more information. If you have any questions or concerns about your medication, don't hesitate to discuss them with your doctor, nurse, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. When seeking help, be prepared to provide details about the medication taken, the amount, and the time it happened.