PRN Pharmacal

Vet-trusted, science-driven support for dogs, cats & horses.
Shop PRN Pharmacal’s condition-specific formulas for joint comfort, calm behavior, urinary control, and targeted nutrition.

 

Sort + Filter
Show
Proin ER Chewable Tablets for Dogs, 74 mg - 30 Tablets Proin ER Chewable Tablet for Dogs, 74 mg

Proin ER Chewable Tablets for Dogs, 74 mg

PRN Pharmacal

(1)
From
$41.06
$32.85 Save 20% on 1st Autoship, 5% off future orders
Prozyme® Powder For Dogs & Cats Prozyme® Powder For Dogs & Cats

Prozyme Powder For Dogs & Cats

PRN Pharmacal

(3)
From
$14.11
$11.29 Save 20% on 1st Autoship, 5% off future orders
OPTIMA 365™ for Dogs and Cats OPTIMA 365™ for Dogs and Cats

OPTIMA 365 Essential Skin and Coat Supplement for Dogs and Cats

PRN Pharmacal

From
$20.99
$16.79 Save 20% on 1st Autoship, 5% off future orders
Mycodex® Plus Environmental Control™ Aerosol Household Spray 16oz Mycodex® Plus Environmental Control™ Aerosol Household Spray 16oz

Mycodex Plus Environmental Control Aerosol Household Spray (16-oz)

PRN Pharmacal

$18.90
$15.12 Save 20% on 1st Autoship, 5% off future orders
Proin Chewable Tablets for Dogs, 50mg - 180 tablets Proin Chewable Tablets for Dogs, 50mg

Proin Chewable Tablets for Dogs, 50mg

PRN Pharmacal

From
$0.77
$0.62 Save 20% on 1st Autoship, 5% off future orders
Felycin-CA1 Sirolimus Delayed-Release Tablets for Cats - 0.4mg tablet Package insert for a medication with safety and usage warnings on a white background

Felycin-CA1 (Sirolimus Delayed-Release) Tablets for Cats, 12 tablets

PRN Pharmacal

From
$53.99
$43.19 Save 20% on 1st Autoship, 5% off future orders
Proin ER Chewable Tablets for Dogs, 145 mg - 30 Tablets Proin ER Chewable Tablet for Dogs, 145 mg

Proin ER Chewable Tablets for Dogs, 145 mg

PRN Pharmacal

(1)
From
$50.04
$40.03 Save 20% on 1st Autoship, 5% off future orders
Duralactin® Canine Chewable Joint Health Supplement Tablets for Dogs Duralactin® Canine Chewable Joint Health Supplement Tablets for Dogs

Duralactin Canine Chewable for Dogs

PRN Pharmacal

From
$29.15
$23.32 Save 20% on 1st Autoship, 5% off future orders
Proin ER Chewable Tablets for Dogs, 18mg - 30 Tablets Proin ER Chewable Tablet for Dogs, 18mg

Proin ER Chewable Tablets for Dogs, 18mg

PRN Pharmacal

From
$22.82
$18.26 Save 20% on 1st Autoship, 5% off future orders
Proin Chewable Tablets for Dogs, 25mg - 180 Tablets Proin Chewable Tablets for Dogs, 25mg

Proin Chewable Tablets for Dogs, 25mg

PRN Pharmacal

From
$0.59
$0.47 Save 20% on 1st Autoship, 5% off future orders
Duralactin Feline L-Lysine Paste (32.5 ml syringe) Duralactin Feline L-Lysine Paste (32.5 ml syringe)

Duralactin Feline L-Lysine Paste (32.5 ml syringe)

PRN Pharmacal

(1)
$11.75
$9.40 Save 20% on 1st Autoship, 5% off future orders
Duralactin for Cats (60 capsules)

Duralactin for Cats (60 capsules)

PRN Pharmacal

$19.73
$15.78 Save 20% on 1st Autoship, 5% off future orders
Duralactin® Canine Joint Health Supplement Soft Chews for Dogs Duralactin® Canine Joint Health Supplement Soft Chews for Dogs

Duralactin Canine Soft Chews for Dogs

PRN Pharmacal

From
$43.96
$35.17 Save 20% on 1st Autoship, 5% off future orders
Calsorb™ For Dog 12mL

Calsorb Calcium Supplement for Dogs (12-mL)

PRN Pharmacal

$12.64
$10.11 Save 20% on 1st Autoship, 5% off future orders
Reconcile® 8mg Chew Tablets For Dogs Reconcile (fluoxetine) Chewable Tablets For Dogs - 8-mg / 30 Tablets - Calming & Behavior 2

Reconcile (fluoxetine) Chewable Tablets For Dogs

PRN Pharmacal

From
$16.80
$13.44 Save 20% on 1st Autoship, 5% off future orders
Proin ER Chewable Tablets for Dogs, 38mg - 30 tablets Proin ER Chewable Tablet for Dogs, 38mg

Proin ER Chewable Tablets for Dogs, 38mg

PRN Pharmacal

From
$30.27
$24.22 Save 20% on 1st Autoship, 5% off future orders
Duralactin for Cats (60 soft chews) Duralactin for Cats (60 soft chews)

Duralactin Feline + Fatty Acids Joint Health & Inflammation Soft Chews for Cats, 60-count

PRN Pharmacal

$21.48
$17.18 Save 20% on 1st Autoship, 5% off future orders
Endosorb® Tablets( For Dogs & Cats ) 500ct

PRN Pharmacal Endosorb 500 Tablets

PRN Pharmacal

$125.85
$100.68 Save 20% on 1st Autoship, 5% off future orders
CoproBan® Soft Chews For Dogs & Cats (40ct) CoproBan® Soft Chews For Dogs & Cats (40ct)

CoproBan Coprophagia Stool Eating Deterrent Soft Chews for Dogs & Cats (40ct)

PRN Pharmacal

$32.37
$25.90 Save 20% on 1st Autoship, 5% off future orders
Liqui-Tinic 4X Concentrated Vitamin & Mineral Supplement - Nutrients & Supplements 1 Liqui-Tinic 4X Concentrated Vitamin & Mineral Supplement - 2 oz - Nutrients & Supplements 2

Liqui-Tinic 4X Concentrated Vitamin & Mineral Supplement

PRN Pharmacal

From
$15.64
$12.51 Save 20% on 1st Autoship, 5% off future orders
SeQual Firocoxib Tablets for Horses, 57mg - 60 tablets Back label of SeQual Firocoxib Tablets for Horses - Dosage, Warning, & Storage

Sē●Qual™ Firocoxib Tablets for Horses 57mg (60ct)

PRN Pharmacal

$86.07
$68.86 Save 20% on 1st Autoship, 5% off future orders
Endosorb® Bolus 50ct

PRN Pharmacal Endosorb 50 Bolus for Pets

PRN Pharmacal

$72.58
$58.06 Save 20% on 1st Autoship, 5% off future orders
Endosorb® Suspension Gal Endosorb Suspension Sweetened for Pets - 4-oz - Anti-Diarrheal Supplement 2

Endosorb Suspension Sweetened for Pets

PRN Pharmacal

From
$16.67
$13.34 Save 20% on 1st Autoship, 5% off future orders
Vetadryl® Tablets for Dogs & Cats (250ct) Vetadryl® Tablets for Dogs & Cats (250ct)

Vetadryl (Diphenhydramine HCl) Tablets for Dogs & Cats (250ct)

PRN Pharmacal

From
$11.55
$9.24 Save 20% on 1st Autoship, 5% off future orders

PRN Pharmacal Veterinary Products

Trusted Support for Dogs, Cats & Horses

At HardyPaw, we carry a handpicked selection of PRN Pharmacal veterinary products—formulated to meet the highest standards in pet wellness. Known for science-driven formulations and species-specific care, PRN Pharmacal supports a wide range of conditions including joint health, behavioral stress, urinary incontinence, and nutritional deficiencies.

PRN Pharmacal is a U.S.-based veterinary pharmaceutical company with decades of experience developing condition-specific treatments that are trusted by clinics across the country. Whether you're managing joint pain or supporting recovery, PRN delivers targeted health solutions for dogs, cats, and horses.

What Makes PRN Pharmacal Stand Out?

  • Veterinary-Formulated & FDA-Compliant: Each product is developed in collaboration with animal health professionals and manufactured under cGMP and FDA guidelines to ensure safety, efficacy, and consistency.
  • Targeted, Niche-Focused Solutions: PRN Pharmacal specializes in condition-specific treatments—such as anti-inflammatory joint care, hematinic support, and canine incontinence management—making it a go-to for veterinarians nationwide.
  • Species-Specific Support: From cats and dogs to equine companions, every product is tailored for pet-specific needs with safe, accurate dosing and delivery forms.

Popular PRN Pharmacal Products Available at HardyPaw

  1. Duralactin : Supports long-term joint health and reduces inflammation without the use of NSAIDs. Ideal for aging dogs and cats with limited mobility.
  2. Proin ER: An extended-release tablet for dogs that manages urinary incontinence and helps maintain bladder control throughout the day.
  3. Liqui-Tinic 4x: A high-potency iron, B-vitamin, and amino acid supplement for dogs, cats, and horses—designed to support energy and red blood cell health.
  4. CuraBenz Ear Cleanser: Daily-use ear cleanser formulated to reduce wax buildup and soothe irritated ears. Recommended for regular pet hygiene.
  5. Comfort Calm Chews: Behavioral support chews for pets dealing with stress caused by travel, grooming, loud noises, or separation anxiety.

When Should You Consider PRN Pharmacal Products?

  • Your pet struggles with joint stiffness, age-related discomfort, or mobility limitations.
  • You need a non-sedating calming aid for stress and anxiety management.
  • Your dog requires reliable urinary health support due to incontinence.
  • You’re managing iron-deficiency anemia or nutritional recovery in pets.
  • You’re looking for vet-grade hygiene products like gentle ear cleansers.

Why Shop PRN Pharmacal Products at HardyPaw?

  • Vet-Recommended Formulas
  • Fresh, Authentic Inventory
  • Fast, Reliable Shipping
  • Clear Usage & Dosage Info
  • Products for Dogs, Cats & Horses

Every item in this collection is carefully stored and shipped, ensuring optimal quality upon arrival. HardyPaw offers expert guidance on product selection, so you can make informed choices for your pet’s health.

PRN Pharmacal: A Legacy in Veterinary Care

Founded on the mission of delivering niche animal health solutions, PRN Pharmacal has become a trusted name among veterinary professionals. Their products are developed with a commitment to safety, targeted action, and species-specific care.

Whether you're managing chronic joint conditions, stress behaviors, or nutritional gaps, PRN Pharmacal provides solutions backed by science and trusted by clinics across the country.

PRN Pharmacal FAQs

Are PRN Pharmacal products safe for long-term use?

Yes, many PRN Pharmacal products—such as Duralactin and Comfort Calm—are formulated for ongoing use. Always follow vet advice on dosage and monitoring.

Do I need a prescription to order PRN Pharmacal products?

Some items like Proin ER require a prescription. Others, including Duralactin and Liqui-Tinic 4x, are available without one.

Can I use PRN supplements with my pet’s current medications?

In most cases, yes. However, it's recommended to consult your vet before combining treatments to ensure compatibility.

What conditions do PRN Pharmacal products treat?

These products address issues such as joint discomfort, urinary incontinence, iron deficiency, behavioral stress, and ear hygiene.

Are PRN Pharmacal items made in the USA?

Yes, PRN Pharmacal products are manufactured in the United States under rigorous quality and safety protocols.