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Low Dose Naltrexone (LDN)

Have you heard of low dose naltrexone? Are you interested in learning more about how this prescription drug could help you manage your health condition? If so, have your doctor contact Parkside Pharmacy to determine whether Low-Dose Naltrexone is a good option for you.

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What is Low Dose Naltrexone (LDN)?

Naltrexone is an FDA approved drug known as an opiate antagonist used to help aid in the recovery of opioid addiction. Today, Naltrexone prescribed in low doses can be used to help regulate dysfunctions in the immune system and treat certain medical conditions.

At Parkside Pharmacy, we are able to produce compounded dosages of low dose Naltrexone to help treat a wide variety of conditions.Low-dose Naltrexone (LDN) has been used in the treatment of autoimmune diseases in the USA since 1985. Potential benefits of LDN with its low incidence of side effects, low risk of toxicity, and good clinical efficacy make LDN a good choice for managing chronic autoimmune conditions and inflammation.

Conditions that can be treated with Low-Dose Naltrexone:

  • Autoimmune cardiomyopathy

  • Diabetic myopathy
  • Multiple sclerosis
  • Eczema
  • Psoriasis
  • Cushing’s syndrome
  • Crohn’s disease
  • Kawasaki’s disease
  • Autism
  • Anxiety disorders
  • Lupus
  • Polycystic ovary syndrome
  • Hashimoto’s thyroiditis
  • Diabetes mellitus type 1
  • Hypothyroidism
  • Celiac disease
  • Inflammatory bowel disease
  • Ulcerative colitis
  • Hepatitis C
  • Post-traumatic stress disorder
  • Emphysema
  • POEMS syndrome
  • Fibromyalgia
  • Traumatic brain injuries
  • Epstein Barr virus
  • Vitiligo
  • HIV
  • Lyme disease
  • Certain types of cancers
  • Multiple myeloma
  • Guillain-Barre syndrome
  • Rheumatoid arthritis
  • Vasculitis
  • Endometriosis
  • Infertility
  • COVID-19

Types of Low-Dose Naltrexone:


Oral Liquid Formulation at 1mg/1ml is the most commonly used type of LDN. It is taken daily and dosed using a baby oral syringe. It does not contain very high amounts of lactose or any other excipient known to cause hypersensitivity. The base is similar to children’s cough syrup – so is quite palatable, and some pharmacies compound it in sterile water for the most sensitive patients. Because there are so few preservatives, it should be stored in the fridge.


For patients who may find the liquid impractical, there are capsules available in 3mg and 4.5mg strengths and other strengths as required. These have up to 12 months of stability data and can be stored anywhere. They contain a variety of customizable fillers and are instant release formulations.


LDN Cream is available for application to the skin. This is helpful for children or for patients allergic to colorants or any excipients in all other forms of LDN. It is more expensive and lasts for 28 days only.

LDN for Veterinary use

LDN can also be compounded for animals to treat conditions such as: pain, autoimmune conditions, canine compulsive disorder, cancer, mood disorders, arthritis, inflammation, seizures, and skin disorders. When traditional medications have not worked, talk to your veterinarian about Low Dose Naltrexone.

Parkside Pharmacy can compound your pets medication into various dosage forms. Sometimes it's a tasty chew treat or flavored suspension customized to a particular animal species' unique needs and tastes.

For more information, please contact Parkside Compounding Pharmacy at 916-452-2200 or email us at inquiries@myparksidepharmacy.com.