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Humira (adalimumab) is a brand-name injectable biologic medication approved by the Food and Drug Administration (FDA) to treat several inflammatory conditions, including Crohn's disease, rheumatoid arthritis, and plaque psoriasis. While Humira is generally well-tolerated, it can cause side effects, including mild symptoms such as headaches, rash, and nausea, as well as more severe reactions like nervous system problems and allergic reactions. One of the rare side effects of Humira is muscle spasms, which can occur along with muscle cramps, aches, and weakness. If you experience any side effects from Humira, it is important to consult your doctor or pharmacist to discuss ways to manage them or explore alternative treatments.
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What You'll Learn
- Humira's active ingredient increases the risk of lymphoma, leukemia, and other cancers
- Muscle spasms, aches, and weakness are rare side effects of Humira
- Humira can cause allergic reactions, including anaphylaxis and angioneurotic edema
- Humira may cause serious side effects, including liver problems, infections, and blood problems
- Humira can worsen congestive heart failure
Humira's active ingredient increases the risk of lymphoma, leukemia, and other cancers
Humira (adalimumab) is a prescription injection used to treat various autoimmune conditions. It is approved by the Food and Drug Administration (FDA) to treat several inflammatory conditions, including Crohn's disease, rheumatoid arthritis, and plaque psoriasis. It is also used to treat ulcerative colitis, psoriatic arthritis, and adult rheumatoid arthritis. Humira works by blocking tumor necrosis factor-alpha (TNF-α), a protein involved in inflammation.
While Humira is effective for many people with autoimmune conditions, it has been associated with several side effects and FDA warnings. One of the most serious warnings on the Humira label is the boxed warning for infections and malignancies (cancers). Humira has been found to increase the risk of certain types of cancer, including lymphoma and leukemia.
During clinical trials of Humira, there was an approximate 3-fold higher rate of lymphoma than expected in the general U.S. population. Lymphoma is a cancer of the white blood cells, and Humira has been associated with a rare type called hepatosplenic T-cell lymphoma (HSTCL), which has been aggressive and sometimes fatal. Patients with chronic inflammatory diseases, particularly those with highly active disease and/or chronic exposure to immunosuppressant therapies, may be at higher risk of lymphoma than the general population, even without TNF blockers.
In addition to lymphoma, Humira has been associated with an increased risk of acute and chronic leukemia, as well as non-melanoma skin cancer (NMSC). Cases of NMSC were reported during clinical trials for Humira-treated patients, and patients with a history of prolonged immunosuppressant or PUVA therapy are at a higher risk of developing NMSC. Humira may also increase the risk of other types of skin cancer, although this is rare.
It is important to note that the risk of cancer associated with Humira use is a rare side effect, and the drug has helped many people manage their autoimmune conditions effectively. However, patients should be monitored for new cancers during treatment, and it is recommended to consult a doctor if any symptoms of cancer or other concerns arise.
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Muscle spasms, aches, and weakness are rare side effects of Humira
While muscle spasms, aches, and weakness are uncommon side effects, they can occur in some individuals taking Humira. Other rare side effects include back pain, which was reported in 6% of patients, and muscle cramps, reported in less than 5% of patients. In rare cases, Humira can disrupt cytokine balance, leading to muscle-related symptoms, or trigger antinuclear antibodies (ANA), which may cause drug-induced lupus, a condition that can include muscle pain.
It is important to note that the side effects of Humira vary from person to person. Some individuals may experience mild side effects, such as headaches, rash, and nausea, which are typically brief and can be managed with over-the-counter medications and rest. However, more serious side effects, such as liver problems, infections, and blood problems, can develop over weeks or months and may require medical attention.
If you experience persistent muscle pain, weakness, or cramps while taking Humira, it is important to consult your healthcare provider. They can help determine if the symptoms are related to the medication or underlying conditions and discuss appropriate management options. Additionally, individuals taking Humira should be closely monitored for signs and symptoms of infection, as the medication suppresses the immune system, increasing the risk of severe and life-threatening infections.
While rare, Humira has been associated with the development of certain types of cancer, including leukemia and lymphoma, in a small number of patients. It is crucial to consult a doctor if you experience any unusual symptoms or side effects while taking Humira, as they can provide guidance and determine the best course of action.
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Humira can cause allergic reactions, including anaphylaxis and angioneurotic edema
Like most drugs, Humira (adalimumab) can cause side effects, including allergic reactions. Humira is an injectable biologic medication approved by the Food and Drug Administration (FDA) to treat several inflammatory conditions, including Crohn's disease, rheumatoid arthritis, and plaque psoriasis.
Allergic reactions to Humira can be mild or severe. Mild allergic reactions may include a rash, which can be treated with over-the-counter oral antihistamines or topical products like hydrocortisone cream. If you experience a mild allergic reaction, you should contact your doctor right away to determine whether you should continue using the medication.
Severe allergic reactions to Humira are rare but can be life-threatening and require immediate medical attention. Symptoms of a severe allergic reaction include swelling, particularly of the lips, mouth, throat, or tongue, and difficulty breathing. Other serious symptoms include a fast breathing rate, a tight throat, and skin, tongue, or lip discolouration. If you experience any of these symptoms, you must call 911 or your local emergency number immediately.
In rare cases, Humira may cause anaphylaxis, a serious allergic reaction that can be life-threatening. Anaphylaxis is characterised by symptoms such as a sudden swelling of the lips, mouth, throat, or tongue, respiratory distress, a fast breathing rate, a tight throat, and skin, tongue, or lip discolouration. Angioedema, a type of severe allergic reaction characterised by deep swelling beneath the skin, can also occur. If you experience any signs of anaphylaxis or angioedema, seek immediate medical assistance.
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Humira may cause serious side effects, including liver problems, infections, and blood problems
Humira (adalimumab) is a brand-name injectable biologic medication. It is approved by the Food and Drug Administration (FDA) to treat several inflammatory conditions, including Crohn's disease, rheumatoid arthritis, and plaque psoriasis. Like any pharmaceutical drug, Humira may cause serious side effects, albeit rarely.
Humira may cause liver damage, a rare but serious side effect. Symptoms of liver damage may include jaundice (yellowing of the skin or the whites of the eyes), pain and tenderness in the upper right abdomen, and elevated liver enzymes. Rare instances of clinically apparent liver injury have been reported with Humira use, resembling hepatic injury described with infliximab therapy. In addition, Humira may reactivate hepatitis B, a viral infection attacking the liver, in people who previously had the virus. Hepatitis B can lead to long-term health problems, including liver damage, liver failure, and liver cancer.
Humira may also cause serious infections, which may be life-threatening. Serious infections that could occur include pneumonia, tuberculosis (TB), and fungal infections. Humira also has boxed warnings for the risk of cancer. It may increase the risk of certain types of cancer, such as skin cancer and blood cancer (including leukemia and lymphoma).
Furthermore, Humira may cause nervous system problems, such as Guillain-Barré syndrome. It can also cause an allergic reaction, with symptoms ranging from mild rashes to severe swelling and trouble breathing. In rare cases, Humira may cause pancytopenia, a condition characterised by a decrease in red and white blood cells and platelets in the blood. Pancytopenia can lead to serious bleeding that can become life-threatening.
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Humira can worsen congestive heart failure
Humira (adalimumab) is an injectable biologic medication approved by the Food and Drug Administration (FDA) to treat several inflammatory conditions. These include Crohn's disease, rheumatoid arthritis, and plaque psoriasis.
Humira works by blocking tumor necrosis factor-alpha (TNF-α), a protein involved in inflammation. In rare cases, TNF-α inhibitors like Humira can disrupt cytokine balance, leading to muscle-related symptoms.
While Humira has been life-changing for many patients with inflammatory diseases, it has also been associated with adverse effects, including cardiotoxicity. Several case reports have linked the use of Humira to new-onset and exacerbations of congestive heart failure.
For example, a case report published in 2017 described a 67-year-old man with a history of severe hidradenitis suppurativa (HS) and major depressive disorder who presented with dyspnea, fatigue, and lower-extremity edema. He had recently restarted treatment with adalimumab for his HS. During hospitalization, he was diagnosed with decompensated congestive heart failure (CHF). The patient's symptoms resolved after discontinuing adalimumab and initiating evidence-based oral disease-modifying HF therapy.
Another case report described a 42-year-old woman with severe Crohn's disease who developed dramatic clinical features of heart failure and pulmonary edema eight days after receiving her second dose of adalimumab. Echocardiography and cardiac MRI confirmed depressed left ventricle contractility, consistent with heart failure. The patient's cardiac function returned to normal two months after discontinuing adalimumab.
While these case reports suggest a potential link between Humira and worsened congestive heart failure, it is important to note that the overall risk may be rare. Recent cohort studies have shown no increased risk of heart failure with anti-TNF-α therapy, and some have even suggested a protective effect. However, due to the potential severity of cardiovascular side effects, physicians must remain vigilant about the possible occurrence of adalimumab-induced cardiomyopathy.
In conclusion, while Humira has been a breakthrough treatment for many inflammatory diseases, its association with congestive heart failure warrants caution. Further research is needed to fully understand the cardiotoxicity profile of adalimumab and to optimize the management of patients at risk for or experiencing cardiovascular side effects related to Humira use.
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Frequently asked questions
Muscle spasms, cramps, aches, and weakness are rare side effects of Humira. Back pain was reported in 6% of patients taking Humira, while muscle cramps were reported in less than 5% of patients.
Humira can cause allergic reactions, which can be mild or serious. Mild allergic reaction symptoms include a mild rash, while severe allergic reactions include swelling or trouble breathing, requiring immediate medical attention. Other common side effects include headaches, sinus congestion, nausea, and flu or cold symptoms.
Long-term side effects of Humira include an increased risk of certain types of cancer, such as lymphoma and leukemia. It can also cause serious infections, which may be life-threatening.
If you experience mild side effects, you should consult your doctor or pharmacist to discuss ways to manage the side effects. For severe side effects, call your doctor right away, and if the side effects seem life-threatening, immediately call your local emergency number. Do not stop taking Humira without consulting your doctor first.
