Celestone Soluspan Side Effects: What to Expect and When to Call Your Doctor

Celestone Soluspan (betamethasone sodium phosphate and betamethasone acetate injectable suspension) is a powerful corticosteroid that can significantly reduce inflammation and relieve pain. But like all corticosteroids, it comes with a range of potential side effects — from minor and temporary to serious and requiring immediate medical attention. Understanding what to expect can help you manage your treatment safely and know when to reach out to your healthcare provider.

Common Side Effects of Celestone Soluspan

These side effects are relatively common and often manageable. They tend to be more pronounced with higher doses, longer courses, or repeated injections:

• High blood sugar (hyperglycemia): Corticosteroids increase blood glucose levels. If you have diabetes, monitor your blood sugar closely after receiving an injection. Inform your provider if your levels are significantly elevated.
• Increased blood pressure: Steroids cause salt and water retention, which can elevate blood pressure. This is typically a concern with prolonged or high-dose therapy.
• Fluid retention / swelling: You may notice puffiness, especially in the face or extremities, particularly after repeated doses.
• Mood and behavior changes: Some patients experience anxiety, irritability, euphoria, or low mood. Rarely, severe psychiatric effects like depression or psychosis can occur. Alert your provider to any significant mood changes.
• Sleep disturbances: Insomnia is common, especially in the days following an injection. Avoiding caffeine and trying to maintain a regular sleep schedule can help.
• Increased appetite / weight gain: You may feel hungrier than usual in the days following a corticosteroid injection. This is typically temporary.
• Post-injection flare: A temporary increase in joint pain can occur in the first 24–48 hours after an intra-articular injection. It typically resolves on its own. Ice and rest can help during this period.
• Skin changes at injection site: Local skin atrophy (thinning) or discoloration at or near the injection site can occur with repeated intralesional or subcutaneous injections.

Serious Side Effects: Call Your Doctor or Seek Emergency Care

The following side effects are less common but serious. Contact your provider promptly if any occur:

• Signs of serious allergic reaction (anaphylaxis): Hives, difficulty breathing, swelling of the face, lips, tongue, or throat. Seek emergency care immediately.
• Signs of infection: Fever, chills, body aches, unusual pain at or near the injection site, or any sign of worsening illness. Celestone Soluspan suppresses the immune system, masking signs of infection while allowing it to worsen. Any infection can become serious more quickly while on a corticosteroid.
• Adrenal insufficiency (especially with extended therapy): Weakness, fatigue, nausea, vomiting, low blood pressure. Long-term use suppresses your adrenal glands. If you've been receiving repeated injections over months, do not stop abruptly — always work with your provider on a tapering plan.
• Septic arthritis (rare): Intra-articular injections carry a very small risk of introducing infection into a joint. Signs include sudden severe joint pain, warmth, redness, and swelling after an injection. Seek immediate care.
• Vision changes: Long-term corticosteroid use can contribute to cataracts or glaucoma. Report any new visual changes to your provider.
• Pheochromocytoma crisis: Rare but potentially fatal. Has been reported after systemic corticosteroid administration in patients with undiagnosed pheochromocytoma (adrenal tumor). Sudden severe hypertension, headache, and palpitations warrant emergency evaluation.

Special Considerations

• Diabetes: Monitor blood glucose closely. A single injection can cause blood sugar spikes that last several days. Alert your diabetes care team about planned injections.
• Pregnancy: It is not known whether Celestone Soluspan harms an unborn baby. Discuss risks and benefits with your provider if pregnant. It may also affect premature infants via exposure in late pregnancy.
• Children: Corticosteroid use in children requires close monitoring, as it can suppress growth with prolonged use.

Important Warning: Do NOT Use Epidurally or Intrathecally

Celestone Soluspan must NOT be injected into the epidural space or intrathecal space (around the spinal cord). The FDA and product labeling include a strong warning: epidural and intrathecal administration has caused serious neurological events including spinal cord infarction, paraplegia, quadriplegia, cortical blindness, stroke, and death. This medication is not approved for these routes.

When to Call Your Doctor

Call your provider if you experience: severe blood sugar elevation, signs of infection, extreme mood changes, vision changes, sudden joint pain after an injection, or any symptoms that concern you. For emergency symptoms — anaphylaxis, suspected septic arthritis, sudden neurological changes — call 911 or go to an emergency room immediately. For questions about finding Celestone Soluspan if your pharmacy is out of stock, visit medfinder.com.