Common brand names

• Decadron

How it is administered

Dexamethasone is available in several forms for administration:

• Oral tablets: Common strengths include 0.5 mg, 0.75 mg, 1 mg, 1.5 mg, 2 mg, 4 mg, and 6 mg.
• Oral solution: Available as 0.5 mg per 5 mL and as a concentrated solution (Intensol) at 1 mg per mL.
• Injectable form: Dexamethasone sodium phosphate can be given by intramuscular or intravenous injection.
• Ophthalmic (eye) drops: Used for certain eye conditions, not typically for blood cancers.

The route and dose depend on the condition being treated, and your doctor will individualize your regimen.

How it works

Dexamethasone is a synthetic corticosteroid, which means it mimics the effects of hormones naturally produced by your adrenal glands. It works by reducing inflammation and suppressing the immune system. In the context of blood cancers like follicular lymphoma, dexamethasone is often used for its ability to decrease inflammation and help manage symptoms or side effects of cancer and its treatments.

It can also be used as part of chemotherapy regimens to enhance the effectiveness of other cancer drugs or to help prevent and treat certain side effects, such as allergic reactions or swelling. By dampening the immune response, dexamethasone can help control the abnormal activity of immune cells that may be involved in blood cancers.

Who should take it

Dexamethasone is used in the palliative management of leukemias and lymphomas, including follicular lymphoma. It is often prescribed to help control symptoms, reduce inflammation, and manage complications related to cancer or its treatment.

It may also be used to help prevent or treat side effects from chemotherapy, such as nausea, allergic reactions, or swelling. Your doctor may recommend dexamethasone if you are experiencing symptoms that are not well controlled by other medications, or as part of a broader treatment plan for your blood cancer.

Who should not take it

You should not take dexamethasone if you have a known allergy to it or any of its components. It is also contraindicated in people with systemic fungal infections, as it can worsen these infections due to its immune-suppressing effects.

Caution is needed if you have certain infections (such as tuberculosis, herpes simplex of the eye, or untreated bacterial, viral, or parasitic infections), as dexamethasone can mask symptoms and allow these infections to worsen. Always inform your doctor of your full medical history before starting dexamethasone.

Commonly used with

In the treatment of blood cancers, dexamethasone is often used in combination with other chemotherapy agents, such as rituximab, cyclophosphamide, vincristine, and doxorubicin. It may also be paired with anti-nausea medications and antibiotics to help prevent or manage side effects of cancer treatment.

Your treatment plan will be tailored to your specific type of lymphoma and your overall health needs.

Commonly tested with

Dexamethasone is commonly tested in combination with other chemotherapy drugs in clinical trials for blood cancers, including regimens like R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone/dexamethasone). It is also evaluated alongside supportive care medications to manage side effects and improve quality of life during cancer treatment.