Treatment Overview

Living with dermatomyositis (DM) means coping with two distinct challenges: muscle weakness that affects everyday movement and a characteristic skin rash that can be painful or itchy. This autoimmune condition occurs when the body’s immune system mistakenly attacks its own muscle fibers and skin. The resulting fatigue, difficulty lifting objects, and chronic skin symptoms can significantly disrupt a person’s independence and confidence.

Treatment is crucial to suppress the underlying immune activity that drives inflammation and muscle damage. By controlling this immune response, the goal is to improve muscle strength, clear the skin rash, and reduce the risk of complications that can affect the heart or lungs. Because the severity of DM and the specific organs involved vary greatly among individuals, medication regimens must be highly customized to meet each person’s needs and disease activity (National Institute of Neurological Disorders and Stroke, 2023).

Overview of treatment options for Dermatomyositis

The overall approach to treating dermatomyositis is centered on managing the immune system, primarily using immunosuppressive and anti-inflammatory medications. Medications are the primary treatment for modifying the disease course. The main goal is to rapidly reduce inflammation during acute phases and then maintain remission with long-term therapy.

Treatment typically begins aggressively to stop the immune attack, aiming to prevent permanent muscle damage. This initial phase usually involves high-dose medication. Once the disease is under control, the medication is gradually tapered down to a lower maintenance dose. While physical therapy is essential to rebuild muscle strength lost during flares, it cannot begin effectively until medication has successfully controlled the active inflammation.

Medications used for Dermatomyositis

Corticosteroids are considered the first-line, foundational treatment for dermatomyositis. Prednisone is commonly used to quickly suppress inflammation throughout the body. Patients often notice muscle strength and the skin rash beginning to improve within a few weeks of starting therapy.

Once the initial inflammation is controlled, doctors generally add a corticosteroid-sparing agent, a medication that allows the doctor to lower the corticosteroid dose, minimizing long-term side effects. These secondary drugs fall into the category of conventional immunosuppressants. Examples include methotrexate and azathioprine. These drugs work more slowly than corticosteroids, often taking several months to reach their full effect, but they are crucial for maintaining long-term disease stability.

For severe, rapidly worsening, or refractory cases, stronger immune treatments may be used. These include intravenous immune globulin (IVIg), which involves transfusing protective antibodies, or biologics like rituximab, which specifically target certain immune cells (American College of Rheumatology, 2020).

How these medications work

Corticosteroids are powerful anti-inflammatory agents that block the release of substances in the body that cause immune cells to attack tissue. By calming the immune system’s reaction, they reduce the inflammation in the muscle tissue and blood vessels of the skin.

Conventional immunosuppressants work more slowly to modify the immune system’s activity. Methotrexate and azathioprine interfere with the proliferation of immune cells (lymphocytes), which are responsible for the autoimmune attack. By reducing the number of active immune cells, these medications help prevent future damage to the muscles and skin, allowing the body to sustain long-term remission.

IVIg works differently. It provides the body with healthy antibodies that can interfere with the activity of the harmful, disease-causing antibodies. Biologics like rituximab specifically target B-cells, a type of white blood cell responsible for producing antibodies, thereby shutting down a key part of the autoimmune response.

Side effects and safety considerations

Long-term use of corticosteroids, though effective, risks weight gain, bone loss (osteoporosis), high blood pressure, and mood changes, often requiring bone health monitoring. Immunosuppressants (methotrexate, azathioprine) increase infection risk and can harm the liver, necessitating regular blood tests.

IVIg can cause infusion reactions (fever, headache). As all treatments suppress immunity, patients must vigilantly avoid infections and seek immediate medical care for illness symptoms or fever. Severe side effects, like liver failure signs or persistent severe weakness, require prompt medical evaluation.

Since everyone’s experience with the condition and its treatments can vary, working closely with a qualified healthcare provider helps ensure safe and effective care.

References

  1. American College of Rheumatology. https://www.rheumatology.org
  2. Mayo Clinic. https://www.mayoclinic.org
  3. National Institute of Neurological Disorders and Stroke. https://www.ninds.nih.gov
  4. Arthritis Foundation. https://www.arthritis.org

Medications for Dermatomyositis

These are drugs that have been approved by the US Food and Drug Administration (FDA), meaning they have been determined to be safe and effective for use in Dermatomyositis.

Found 5 Approved Drugs for Dermatomyositis

MethylPREDNISolone

Brand Names
Solu-Medrol MethylPREDNISolone, Solu-Medrol, Medrol

MethylPREDNISolone

Brand Names
Solu-Medrol MethylPREDNISolone, Solu-Medrol, Medrol
Form: Injection, Tablet
Method of administration: Oral, Intravenous, Intramuscular
FDA approval date: October 24, 1957
Classification: Corticosteroid
When oral therapy is not feasible, and the strength, dosage form, and route of administration of the drug reasonably lend the preparation to the treatment of the condition, the intravenous or intramuscular use of Methylprednisolone Sodium Succinate for Injection, USP, is indicated as follows: Allergic states Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in asthma, atopic dermatitis, contact dermatitis, drug hypersensitivity reactions, perennial or seasonal allergic rhinitis, serum sickness, transfusion reactions. Dermatologic diseases Bullous dermatitis herpetiformis, exfoliative erythroderma, mycosis fungoides, pemphigus, severe erythema multiforme (Stevens-Johnson syndrome). Endocrine disorders Primary or secondary adrenocortical insufficiency (hydrocortisone or cortisone is the drug of choice; synthetic analogs may be used in conjunction with mineralocorticoids where applicable; in infancy, mineralocorticoid supplementation is of particular importance), congenital adrenal hyperplasia, hypercalcemia associated with cancer, nonsuppurative thyroiditis. Gastrointestinal diseases To tide the patient over a critical period of the disease in regional enteritis (systemic therapy) and ulcerative colitis. Hematologic disorders Acquired (autoimmune) hemolytic anemia, congenital (erythroid) hypoplastic anemia (Diamond-Blackfan anemia), idiopathic thrombocytopenic purpura in adults (intravenous administration only; intramuscular administration is contraindicated), pure red cell aplasia, selected cases of secondary thrombocytopenia. Miscellaneous Trichinosis with neurologic or myocardial involvement, tuberculous meningitis with subarachnoid block or impending block when used concurrently with appropriate antituberculous chemotherapy. Neoplastic diseases For the palliative management of leukemias and lymphomas. Nervous System Acute exacerbations of multiple sclerosis; cerebral edema associated with primary or metastatic brain tumor, or craniotomy. Ophthalmic diseases Sympathetic ophthalmia, uveitis and ocular inflammatory conditions unresponsive to topical corticosteroids. Renal diseases To induce diuresis or remission of proteinuria in idiopathic nephrotic syndrome or that due to lupus erythematosus. Respiratory diseases Berylliosis, fulminating or disseminated pulmonary tuberculosis when used concurrently with appropriate antituberculous chemotherapy, idiopathic eosinophilic pneumonias, symptomatic sarcoidosis. Rheumatic disorders As adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis; acute rheumatic carditis; ankylosing spondylitis; psoriatic arthritis; rheumatoid arthritis, including juvenile rheumatoid arthritis (selected cases may require low-dose maintenance therapy). For the treatment of dermatomyositis, temporal arteritis, polymyositis, and systemic lupus erythematosus.

Solu-Cortef

Generic Name
Solu-Cortef

Solu-Cortef

Generic Name
Solu-Cortef
Form: Injection
Method of administration: Intravenous, Intramuscular
FDA approval date: April 27, 1955
Classification: Corticosteroid
When oral therapy is not feasible, and the strength, dosage form, and route of administration of the drug reasonably lend the preparation to the treatment of the condition, the intravenous or intramuscular use of hydrocortisone sodium succinate for injection is indicated as follows: Allergic states: Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in asthma, atopic dermatitis, contact dermatitis, drug hypersensitivity reactions, serum sickness, transfusion reactions. Dermatologic diseases: Bullous dermatitis herpetiformis, exfoliative erythroderma, mycosis fungoides, pemphigus, severe erythema multiforme (Stevens-Johnson syndrome). Endocrine disorders: Primary or secondary adrenocortical insufficiency (hydrocortisone or cortisone is the drug of choice; synthetic analogs may be used in conjunction with mineralocorticoids where applicable; in infancy, mineralocorticoid supplementation is of particular importance), congenital adrenal hyperplasia, hypercalcemia associated with cancer, nonsuppurative thyroiditis. Gastrointestinal diseases: To tide the patient over a critical period of the disease in regional enteritis (systemic therapy) and ulcerative colitis. Hematologic disorders: Acquired (autoimmune) hemolytic anemia, congenital (erythroid) hypoplastic anemia (Diamond Blackfan anemia), idiopathic thrombocytopenic purpura in adults (intravenous administration only; intramuscular administration is contraindicated), pure red cell aplasia, select cases of secondary thrombocytopenia. Miscellaneous: Trichinosis with neurologic or myocardial involvement, tuberculous meningitis with subarachnoid block or impending block when used concurrently with appropriate antituberculous chemotherapy. Neoplastic diseases: For the palliative management of leukemias and lymphomas. Nervous System: Cerebral edema associated with primary or metastatic brain tumor, or craniotomy. Ophthalmic diseases: Sympathetic ophthalmia, uveitis and ocular inflammatory conditions unresponsive to topical corticosteroids. Renal diseases: To induce diuresis or remission of proteinuria in idiopathic nephrotic syndrome, or that due to lupus erythematosus. Respiratory diseases: Berylliosis, fulminating or disseminated pulmonary tuberculosis when used concurrently with appropriate antituberculous chemotherapy, idiopathic eosinophilic pneumonias, symptomatic sarcoidosis. Rheumatic disorders: As adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis; acute rheumatic carditis; ankylosing spondylitis; psoriatic arthritis; rheumatoid arthritis, including juvenile rheumatoid arthritis (selected cases may require low-dose maintenance therapy). For the treatment of dermatomyositis, temporal arteritis, polymyositis, and systemic lupus erythematosus.

MethylPREDNISolone Acetate

Brand Names
Medroloan, Medroloan SUIK, Depo-Medrol, Dyural

MethylPREDNISolone Acetate

Brand Names
Medroloan, Medroloan SUIK, Depo-Medrol, Dyural
Form: Injection, Kit
Method of administration: Intra-articular, Intramuscular, Intrasynovial, Intralesional, Soft Tissue, Infiltration, Topical, Intrameningeal, Intra-arterial
FDA approval date: May 28, 1959
Classification: Corticosteroid
A. FOR INTRAMUSCULAR ADMINISTRATION When oral therapy is not feasible and the strength, dosage form, and route of administration of the drug reasonably lend the preparation to the treatment of the condition, the intramuscular use of Methylprednisolone Acetate Injectable Suspension is indicated as follows: A llergic States : Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in asthma, atopic dermatitis, contact dermatitis, drug hypersensitivity reactions, serum sickness, transfusion reactions. De rmatologic Diseases : Bullous dermatitis herpetiformis, exfoliative erythroderma, mycosis fungoides, pemphigus, severe erythema multiforme (Stevens-Johnson syndrome). E ndocrine Disorders : Primary or secondary adrenocortical insufficiency (hydrocortisone or cortisone is the drug of choice; synthetic analogs may be used in conjunction with mineralocorticoids where applicable; in infancy, mineralocorticoid supplementation is of particular importance), congenital adrenal hyperplasia, hypercalcemia associated with cancer, nonsuppurative thyroiditis. G astrointestinal Diseases : To tide the patient over a critical period of the disease in regional enteritis (systemic therapy) and ulcerative colitis. Hem atologic Disorders : Acquired (autoimmune) hemolytic anemia, congenital (erythroid) hypoplastic anemia (Diamond Blackfan anemia), pure red cell aplasia, select cases of secondary thrombocytopenia. M iscellaneous : Trichinosis with neurologic or myocardial involvement, tuberculous meningitis with subarachnoid block or impending block when used concurrently with appropriate antituberculous chemotherapy. Neoplastic Diseases : For palliative management of leukemias and lymphomas. Nervous System : Cerebral edema associated with primary or metastatic brain tumor or craniotomy. O phthalmic Diseases : Sympathetic ophthalmia, temporal arteritis, uveitis and ocular inflammatory conditions unresponsive to topical corticosteroids. Re nal Diseases : To induce diuresis or remission of proteinuria in idiopathic nephrotic syndrome, or that due to lupus erythematosus. Re spiratory Diseases : Berylliosis, fulminating or disseminated pulmonary tuberculosis when used concurrently with appropriate antituberculous chemotherapy, idiopathic eosinophilic pneumonias, symptomatic sarcoidosis. R heumatic Disorders : As adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis; acute rheumatic carditis; ankylosing spondylitis; psoriatic arthritis; rheumatoid arthritis, including juvenile rheumatoid arthritis (selected cases may require low-dose maintenance therapy). For the treatment of dermatomyositis, polymyositis, and systemic lupus erythematosus. B. FOR INTRA-ARTICULAR OR SOFT TISSUE ADMINISTRATION (See WARNINGS) Methylprednisolone Acetate Injectable Suspension is indicated as adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis, acute and subacute bursitis, acute nonspecific tenosynovitis, epicondylitis, rheumatoid arthritis, synovitis of osteoarthritis. C. FOR INTRALESIONAL ADMINISTRATION Methylprednisolone Acetate Injectable Suspension is indicated for intralesional use in alopecia areata, discoid lupus erythematosus, keloids, localized hypertrophic, infiltrated, inflammatory lesions of granuloma annulare, lichen planus, lichen simplex chronicus (neurodermatitis), and psoriatic plaques, necrobiosis lipoidica diabeticorum. Methylprednisolone Acetate Injectable Suspension also may be useful in cystic tumors of an aponeurosis or tendon (ganglia).

Betamethasone Acetate

Brand Names
Betaloan SUIK, Celestone Soluspan, BL-C, Betalido

Betamethasone Acetate

Brand Names
Betaloan SUIK, Celestone Soluspan, BL-C, Betalido
Form: Injection, Kit
Method of administration: Intra-articular, Perineural, Infiltration, Topical, Intramuscular, Intralesional, Soft Tissue, Intravascular
FDA approval date: April 28, 2010
Classification: Corticosteroid
For use as an first aid antiseptic pre-operative skin preperation. When oral therapy is not feasible, the intramuscular use of Betamethasone Sodium Phosphate and Betamethasone Acetate Injectable Suspension is indicated as follows: Allergic States Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in asthma, atopic dermatitis, contact dermatitis, drug hypersensitivity reactions, perennial or seasonal allergic rhinitis, serum sickness, transfusion reactions. Dermatologic Diseases Bullous dermatitis herpetiformis, exfoliative erythroderma, mycosis fungoides, pemphigus, severe erythema multiforme (Stevens-Johnson syndrome). Endocrine Disorders Congenital adrenal hyperplasia, hypercalcemia associated with cancer, nonsuppurative thyroiditis. Hydrocortisone or cortisone is the drug of choice in primary or secondary adrenocortical insufficiency. Synthetic analogs may be used in conjunction with mineralocorticoids where applicable; in infancy mineralocorticoid supplementation is of particular importance. Gastrointestinal Diseases To tide the patient over a critical period of the disease in regional enteritis and ulcerative colitis. Hematologic Disorders Acquired (autoimmune) hemolytic anemia, Diamond-Blackfan anemia, pure red cell aplasia, selected cases of secondary thrombocytopenia. Miscellaneous Trichinosis with neurologic or myocardial involvement, tuberculous meningitis with subarachnoid block or impending block when used with appropriate antituberculous chemotherapy. Neoplastic Diseases For palliative management of leukemias and lymphomas. Nervous System Acute exacerbations of multiple sclerosis; cerebral edema associated with primary or metastatic brain tumor or craniotomy. Ophthalmic Diseases Sympathetic ophthalmia, temporal arteritis, uveitis and ocular inflammatory conditions unresponsive to topical corticosteroids. Renal Diseases To induce diuresis or remission of proteinuria in idiopathic nephrotic syndrome or that due to lupus erythematosus. Respiratory Diseases Berylliosis, fulminating or disseminated pulmonary tuberculosis when used concurrently with appropriate antituberculous chemotherapy, idiopathic eosinophilic pneumonias, symptomatic sarcoidosis. Rheumatic Disorders As adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis; acute rheumatic carditis; ankylosing spondylitis; psoriatic arthritis; rheumatoid arthritis, including juvenile rheumatoid arthritis (selected cases may require low-dose maintenance therapy). For the treatment of dermatomyositis, polymyositis, and systemic lupus erythematosus. The intra-articular or soft tissue administration of Betamethasone Sodium Phosphate and Betamethasone Acetate Injectable Suspension is indicated as adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis, acute and subacute bursitis, acute nonspecific tenosynovitis, epicondylitis, rheumatoid arthritis, synovitis of osteoarthritis. The intralesional administration of Betamethasone Sodium Phosphate and Betamethasone Acetate Injectable Suspension is indicated for alopecia areata; discoid lupus erythematosus; keloids; localized hypertrophic, infiltrated, inflammatory lesions of granuloma annulare, lichen planus, lichen simplex chronicus (neurodermatitis), and psoriatic plaques; necrobiosis lipoidica diabeticorum. Betamethasone Sodium Phosphate and Betamethasone Acetate Injectable Suspension may also be useful in cystic tumors of an aponeurosis or tendon (ganglia). Iodixanol injection is indicated in for: Iodixanol injection is a radiographic contrast agent indicated for the following: Intra-arterial Procedures. Lidocaine hydrochloride injection is indicated for production of local or regional anesthesia by infiltration techniques such as percutaneous injection and intravenous regional anesthesia by peripheral nerve block techniques such as brachial plexus and intercostal and by central neural techniques such as lumbar and caudal epidural blocks, when the accepted procedures for these techniques as described in standard textbooks are observed. For first aid to decrease germs in minor cuts scrapes burns For preparation of the skin prior to injection.

Kenalog

Brand Names
Lidolog, Mlk F3, Mlk F1, Pro-C-Dure 6, Bupivilog

Kenalog

Brand Names
Lidolog, Mlk F3, Mlk F1, Pro-C-Dure 6, Bupivilog
Form: Kit
Method of administration: Intra-articular, Epidural, Topical, Intramuscular, Infiltration
FDA approval date: January 16, 2014
Intramuscular Where oral therapy is not feasible, injectable corticosteroid therapy, including triamcinolone acetonide injectable suspension is indicated for intramuscular use as follows: Allergic states: Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in asthma, atopic dermatitis, contact dermatitis, drug hypersensitivity reactions, perennial or seasonal allergic rhinitis, serum sickness, transfusion reactions. Dermatologic diseases: Bullous dermatitis herpetiformis, exfoliative erythroderma, mycosis fungoides, pemphigus, severe erythema multiforme (Stevens-Johnson syndrome). Endocrine disorders: Primary or secondary adrenocortical insufficiency (hydrocortisone or cortisone is the drug of choice; synthetic analogs may be used in conjunction with mineralocorticoids where applicable; in infancy, mineralocorticoid supplementation is of particular importance), congenital adrenal hyperplasia, hypercalcemia associated with cancer, nonsuppurative thyroiditis. Gastrointestinal diseases: To tide the patient over a critical period of the disease in regional enteritis and ulcerative colitis. Hematologic disorders: Acquired (autoimmune) hemolytic anemia, Diamond-Blackfan anemia, pure red cell aplasia, selected cases of secondary thrombocytopenia. Miscellaneous: Trichinosis with neurologic or myocardial involvement, tuberculous meningitis with subarachnoid block or impending block when used with appropriate antituberculous chemotherapy. Neoplastic diseases: For the palliative management of leukemias and lymphomas. Nervous system: Acute exacerbations of multiple sclerosis; cerebral edema associated with primary or metastatic brain tumor or craniotomy. Ophthalmic diseases: Sympathetic ophthalmia, temporal arteritis, uveitis and ocular inflammatory conditions unresponsive to topical corticosteroids. Renal diseases: To induce diuresis or remission of proteinuria in idiopathic nephrotic syndrome or that due to lupus erythematosus. Respiratory diseases: Berylliosis, fulminating or disseminated pulmonary tuberculosis when used concurrently with appropriate antituberculous chemotherapy, idiopathic eosinophilic pneumonias, symptomatic sarcoidosis. Rheumatic disorders: As adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis; acute rheumatic carditis; ankylosing spondylitis; psoriatic arthritis; rheumatoid arthritis, including juvenile rheumatoid arthritis (selected cases may require low-dose maintenance therapy). For the treatment of dermatomyositis, polymyositis and systemic lupus erythematosus. Intra-Articular The intra-articular or soft tissue administration of triamcinolone acetonide injectable suspension is indicated as adjunctive therapy for short-term administration (to tide the patient over an acute episode or exacerbation) in acute gouty arthritis, acute and subacute bursitis, acute nonspecific tenosynovitis, epicondylitis, rheumatoid arthritis, synovitis of osteoarthritis.
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