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Alginate Dressings

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  • McKesson Calcium Alginate Dressing Sheet, Sterile, 4" x 8"

    Regular price $10.99
    Unit price$10.99/ea
    $10.44 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Gentle, Non-Stick Removal
    • Superior Exudate Absorption
    • Ideal for Wound Packing
    • Trim-to-Fit Versatility
    • Sterile & Contamination-Resistant
    View details
  • ConvaTec Kaltostat Calcium Sodium Alginate Dressing, Sterile, Rectangle

    Regular price $12.99
    $12.34 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Absorbs Moderate to Heavy Exudate
    • Helps Control Minor Bleeding
    • Gentle, Nonadhesive Application
    • Soft, Sterile Construction
    • Multiple Sizes Available
    View details
  • Hartmann Sorbalgon Calcium Alginate Dressing, Sterile, 4" x 5"

    Regular price $6.99
    Unit price$6.99/ea
    $6.64 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Superior Exudate Absorption
    • Soothing Gel-Forming Action
    • Moist Wound Healing Support
    • Gentle, Comfortable Removal
    • Versatile Wound Care Use
    View details
  • Hollister Restore Calcium Alginate Dressing, Sterile, 4" x 4"

    Regular price $6.99
    Unit price$6.99/ea
    $6.64 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Highly Absorptive Formula
    • Maintains Moist Wound Environment
    • Minimal Residue Removal
    • Reduces Lateral Wicking
    • Protects Peri-Wound Skin
    View details
  • DermaRite DermaGinate Calcium Alginate Wound Dressing, Sterile, 4" x 8"

    Regular price $6.99
    Unit price$6.99/ea
    $6.64 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Highly Absorbent Gel Formula
    • Gels on Contact with Moisture
    • Conforms to the Wound Bed
    • Supports Moist Wound Healing
    • Naturally Derived from Seaweed
    View details
  • Melgisorb Plus Calcium Alginate Dressing Rope, Sterile, 1.2 x 17.7"

    Regular price $6.99
    Unit price$6.99/ea
    $6.64 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Rapid Exudate Absorption
    • Turns to Soothing Gel
    • Ideal for Deep Wound Cavities
    • Fewer Dressing Changes
    • Supports Moist Wound Healing
    View details
  • McKesson Calcium Alginate Dressing Sheet, Sterile, 4 x 4¾ Inch

    Regular price $7.99
    Unit price$7.99/ea
    $7.59 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Gentle, One-Piece Removal
    • High Absorbency for Exuding Wounds
    • Trim-to-Fit Versatility
    • Effective Dead Space Packing
    • Helps Control Minor Bleeding
    View details
  • Simpurity Calcium Alginate Wound Dressing, Sterile, 2" x 2"

    Regular price $4.99
    Unit price$4.99/ea
    $4.74 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Highly Absorbent
    • Easy, Gentle Removal
    • Gel-Forming Comfort
    • Supports Autolytic Debridement
    • Sterile & Wound-Conforming
    View details
  • Molnlycke Melgisorb Plus Calcium Alginate Dressing, Sterile, Square

    Regular price $5.99
    $5.69 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Turns Into a Soothing Gel
    • Supports Moist Wound Healing
    • Multiple Square Sizes Available
    • Soft, Conformable Fit
    • High Exudate Absorption
    View details
  • Smith & Nephew AlgiSite M Calcium Alginate Dressing, Sterile, Square

    Regular price $6.99
    $6.64 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Gentle, Non-Adherent Removal
    • Molds to Any Wound Shape
    • Absorbs 13x Its Weight in Exudate
    • Wear Up to 7 Days
    • Low Fiber Shed Technology
    View details
  • Smith & Nephew AlgiSite M Calcium Alginate Wound Dressing, Sterile, 6" x 8"

    Regular price $18.99
    Unit price$18.99/ea
    $18.04 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Gentle, Non-Adherent Removal
    • Molds & Cuts to Fit Any Wound
    • High-Absorbency Gel Formation
    • Reduced Fiber Shedding
    • Wear Time Up to 7 Days
    View details
  • McKesson Calcium Alginate Dressing Sheet, Sterile, 2" x 2"

    Regular price $5.99
    Unit price$5.99/ea
    $5.69 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Highly Absorptive Formula
    • Gentle One-Piece Removal
    • Trimmable for Custom Fit
    • Helps Control Minor Bleeding
    • Sterile & Reliable Protection
    View details
  • DermaRite DermaGinate Calcium Alginate Dressing, Sterile, Square

    Regular price $5.99
    $5.69 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    In stock
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Highly Absorbent Formula
    • Gels on Contact with Moisture
    • Conforms to Any Wound Bed
    • Naturally Derived from Seaweed
    • Multiple Sizes Available
    View details
  • Hollister Restore Calcium Alginate Dressing, Sterile, 2" x 2"

    Regular price $5.99
    Unit price$5.99/ea
    $5.69 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Highly Absorptive Protection
    • Maintains Moist Wound Healing
    • Low-Residue Formula
    • Protects Peri-Wound Skin
    • Removes in One Intact Piece
    View details
  • Safe N Simple Simpurity Alginate Wound Dressing, Sterile

    Regular price $7.99
    Unit price$7.99/ea
    $7.59 with AutoshipAutoship & save — 15% off your first Autoship order, then 5% off every order after. Choose how often it ships, and skip, change, or cancel anytime.
    FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more
    • Excellent Wet Tensile Strength
    • Easy, Gentle Removal
    • Highly Absorbent & Conforming
    • Supports Autolytic Debridement
    • Gel-Forming Technology
    View details

Alginate Dressings

Alginate dressings are highly absorbent wound dressings made from natural seaweed-derived fibers, typically calcium alginate. When these fibers contact wound fluid, they transform into a soft, moisture-retaining gel that supports a healthy healing environment. Alginates are ideal for moderate to heavily exuding wounds, including pressure injuries, venous leg ulcers, diabetic foot ulcers, surgical wounds, and deep cavity or tunneling wounds where reliable fluid management is essential.

Choosing an alginate is simple: use flat sheets for open surface wounds and rope or ribbon forms to gently pack cavities and tunnels without overfilling. Because alginates need moisture to function, they are best suited to wet wounds rather than dry or lightly draining ones. Apply the dressing to the wound bed, then cover with a secondary dressing such as a foam or film to hold it in place. Key benefits include superior absorption, conformability, gel formation that helps maintain a moist wound surface, and easy, often atraumatic removal that supports patient comfort. Many alginate dressings are FSA and HSA eligible, making them a convenient choice for at-home wound care.

Frequently Asked Questions

Q: What kinds of wounds are alginate dressings best for?
A: They work best on moderate to heavily draining wounds, including pressure injuries, leg and foot ulcers, surgical sites, and deep cavity or tunneling wounds.

Q: How often should I change an alginate dressing?
A: Change frequency depends on drainage, but alginates are often changed every one to three days or when saturated. Always follow your healthcare provider's guidance.

Q: Do alginate dressings need a secondary dressing?
A: Yes. Alginates are primary dressings that need a cover such as a foam or film to secure them and help manage moisture.

Q: Can I use alginate on a dry wound?
A: No. Alginates require wound moisture to form their protective gel, so they are not recommended for dry or minimally draining wounds.