Bantovet

 0.1% Ointment
DBL Pharmaceuticals Ltd.
20 gm tube: ৳ 48.00
Indications

Approved Indications (Topical Use):

  • Inflammatory Skin Conditions:
    • Atopic dermatitis
    • Contact dermatitis (irritant and allergic)
    • Seborrheic dermatitis
    • Nummular eczema
    • Lichen simplex chronicus
    • Discoid lupus erythematosus
    • Neurodermatitis
  • Psoriasis:
    • Plaque-type psoriasis (excluding widespread plaque or pustular psoriasis)
  • Other Dermatoses Responsive to Corticosteroids:
    • Pruritus ani
    • Pruritus vulvae
    • Otitis externa
    • Intertrigo
    • Reactions to insect bites or stings

Clinically Accepted Off-label Uses:

  • Lichen planus (localized)
  • Granuloma annulare
  • Localized alopecia areata
  • Vitiligo (early or localized, adjunctive use)
  • Chronic hand eczema (moderate to severe)
  • Radiation dermatitis (mild-to-moderate cases)
Dosage & Administration

Route: Topical application (cream, ointment, lotion, scalp application)

Adults:

  • Apply a thin film to the affected area once or twice daily.
  • Frequency may be reduced to once daily as condition improves.
  • Maximum weekly amount should not exceed 50 grams.

Children (>1 year):

  • Use once daily with minimal quantity.
  • Limit use to 5–7 consecutive days, especially on the face or in folds.
  • Prolonged use should be avoided due to increased absorption risk.

Infants (<1 year):

  • Not routinely recommended unless under strict medical supervision.

Special Populations:

  • Elderly: Use with caution; thinner skin may lead to enhanced absorption.
  • Hepatic/Renal Impairment: No dose adjustment is typically required for topical use, but systemic exposure should be minimized.

Administration Notes:

  • Do not apply to open wounds, broken skin, or mucosal surfaces.
  • Avoid occlusive dressings unless directed by a healthcare provider.
  • Do not use near eyes, mouth, or genital mucosa unless advised.
Mechanism of Action (MOA)

Betamethasone valerate is a potent synthetic glucocorticoid that works by binding to intracellular glucocorticoid receptors, which translocate to the cell nucleus and modify gene expression. It enhances the production of anti-inflammatory proteins (e.g., lipocortin) and inhibits the synthesis of pro-inflammatory mediators such as prostaglandins, cytokines, and interleukins. The result is a marked reduction in inflammation, vasodilation, capillary permeability, and immune cell infiltration in the skin, leading to symptomatic relief of erythema, edema, itching, and scaling.

Pharmacokinetics
  • Absorption: Absorbed minimally through intact skin; higher absorption with damaged skin, prolonged use, or under occlusion.
  • Distribution: Once absorbed, widely distributed and highly protein-bound in plasma.
  • Metabolism: Primarily metabolized in the liver through hydrolysis of the ester bond and subsequent hepatic metabolism.
  • Excretion: Excreted mainly via the urine as inactive metabolites.
  • Onset of Action: Typically within a few hours after application.
  • Elimination Half-life: Systemically, approximately 5–6 hours if absorbed.
  • Bioavailability: Topical bioavailability varies by site of application (e.g., higher on face or genitalia than on palms or soles).
Pregnancy Category & Lactation
  • Pregnancy:
    • Classified as FDA Pregnancy Category C.
    • Use only when the potential benefit justifies the potential risk to the fetus.
    • High-dose, long-term application should be avoided during pregnancy, particularly under occlusion or on large areas.
  • Lactation:
    • Generally considered safe during breastfeeding due to low systemic absorption.
    • Avoid application on or near the breast/nipple to prevent accidental oral ingestion by the infant.
    • Use caution with high-potency corticosteroids; prefer low-to-medium potency options for extended use.
Therapeutic Class
  • Primary Class: Topical Corticosteroid
  • Potency Level: Medium- to High-potency (varies slightly by formulation and concentration)
  • Pharmacological Class: Synthetic fluorinated glucocorticoid
Contraindications
  • Hypersensitivity to betamethasone or any component of the formulation
  • Untreated bacterial, fungal, or viral skin infections
  • Acne vulgaris
  • Perioral dermatitis
  • Rosacea
  • Skin ulceration or open wounds
  • Children under 1 year of age, particularly in diaper areas
  • Application near the eyes
Warnings & Precautions
  • Prolonged use may cause skin thinning, striae, purpura, and telangiectasia.
  • Avoid prolonged use on face, intertriginous areas, or under occlusion.
  • May cause systemic corticosteroid effects, especially in pediatric patients or with extensive application.
  • Risk of adrenal suppression, Cushing’s syndrome, and growth retardation in children.
  • Secondary infections can be masked; use antifungal/antibacterial agents concurrently when indicated.
  • Rebound flare may occur upon abrupt discontinuation after long-term use.
  • Avoid ocular exposure; risk of glaucoma and posterior subcapsular cataract.
Side Effects

Common Local Effects:

  • Burning or stinging sensation
  • Dryness or irritation at application site
  • Itching (pruritus)
  • Erythema

Less Common:

  • Skin thinning (atrophy)
  • Stretch marks (striae)
  • Folliculitis
  • Contact dermatitis
  • Acneiform eruptions
  • Hypertrichosis

Serious and Rare (Systemic):

  • Adrenal suppression
  • Cushingoid features
  • Hyperglycemia
  • Growth retardation in children (with long-term use)

Timing & Severity Notes:

  • Local effects usually appear within the first week of use.
  • Systemic effects are rare but dose- and duration-dependent.
Drug Interactions
  • Topical corticosteroids have minimal systemic interaction potential.
  • Potential interactions (if systemic absorption occurs):
    • Ritonavir, itraconazole, and other CYP3A4 inhibitors: May increase systemic steroid levels.
    • Other corticosteroids or immunosuppressants: Additive effects.
  • No major food or alcohol interactions noted for topical use.
  • Avoid concurrent use with other topical irritants unless advised by a physician.
Recent Updates or Guidelines
  • Recent dermatology guidelines emphasize limiting high-potency corticosteroid use to <4 weeks continuously, especially in sensitive areas.
  • The American Academy of Dermatology (AAD) recommends a step-down approach or intermittent weekend therapy for chronic dermatoses.
  • EMA has re-emphasized the importance of minimal effective dose to prevent long-term side effects in both adults and children.
  • No new FDA warnings as of the latest update, but pediatric monitoring remains a key advisory focus.
Storage Conditions
  • Store below 25°C (77°F).
  • Keep container tightly closed.
  • Protect from light, moisture, and heat.
  • Do not freeze.
  • For lotions or scalp applications, shake well before use.
  • Keep out of reach of children.