


Zenapax 25mg Injection
Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 17 Feb 2026 | 03:41 PM (IST)
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General Information



Product introduction
Zenapax 25mg Injection must be taken by following the instructions written in the label or as per the doctor's guidance. You must receive the exact dose of it as per the prescription. An overdose of this medicine may have serious side effects on the body.
Upper respiratory tract infection is the only common side effect of this medicine. It may also cause an injection site reaction (redness, pain, and swelling). The medicine can safely be used in children. Inform the doctor immediately if you experience any allergic reactions such as rash, shortness of breath, coughing, swelling, etc.
Before taking this medicine, it is important to consult your doctor if you have any ongoing medication for any underlying disease. Pregnant and breastfeeding women must inform the doctor prior to the initiation of this treatment. During the treatment, your doctor may advise you some laboratory tests to know the effects of the medicine in the body.
Uses of Zenapax Injection
Benefits of Zenapax Injection
Multiple sclerosis (MS) is a disease of the brain and spinal cord in which a person’s own immune system attacks the protective sheath (called myelin) of the nerves. This leads to symptoms such as vision loss, pain, fatigue and improper coordination. Zenapax 25mg Injection helps to suppress the body’s immune system, thereby reducing the progression of the disease. It reduces the inflammation of the damaged nerves, prevents further damage and stabilises your immune system. This medicine is given as an injection by a doctor or nurse and should not be self-administered. Follow your doctor’s instructions carefully to get the best results.
Side effects of Zenapax Injection
- Upper respiratory tract infection
- Flu-like symptoms
- Dermatitis
- Bronchitis (inflammation of the airways)
- Eczema
- Depression
- Injection site reactions (pain, swelling, redness)
How to use Zenapax Injection
How Zenapax Injection works
Quick tips
- Zenapax 25mg Injection is given as an injection under the skin by the healthcare provider only.
- Your doctor may check your liver function before starting treatment and regularly thereafter. Inform your doctor if you notice yellowing of eyes or skin, dark urine, or stomach pain.
- It reduces the body’s ability to fight with infection. Take caution or inform the doctor if experience respiratory tract infection.
- Inform your doctor if you experience suicidal thoughts or unusual changes in behavior or mood.
- Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver
Frequently asked questions
Fact Box
Chemical Class
Habit Forming
Therapeutic Class
Action Class
References
- Lake DF, Briggs AD, Akporiaye ET. Immunopharmacology. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 979.
- Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 347-48.
- Daclizumab. Nutley, New Jersey: Hoffmann-La Roche inc. [Accessed 06 Apr. 2019] (online) Available from:
- Central Drugs Standard Control Organisation (CDSCO). [Accessed 06 Apr. 2019] (online) Available from:




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Lab tests offered by us
- CBC (Complete Blood Count)
- FBS (Fasting Blood Sugar)
- Thyroid Profile Total (T3, T4 & TSH)
- HbA1c (Glycosylated Hemoglobin)
- PPBS (Postprandial Blood Sugar)
- Lipid Profile
- Vitamin D (25-Hydroxy)
- Urine R/M (Urine Routine & Microscopy)
- Coronavirus Covid -19 test- RT PCR
- LFT (Liver Function Test)
- KFT (Kidney Function Test)
- TSH (Thyroid Stimulating Hormone) Ultrasensitive
- ESR (Erythrocyte Sedimentation Rate)
- Uric Acid, Serum
- Vitamin B12
- CRP (C-Reactive Protein), Quantitative
- Urine C/S (Urine Culture and Sensitivity)
- Serum Electrolytes
- Serum Calcium
- Serum Creatinine
- Diabetes Screening (HbA1C & Fasting Sugar)
- KFT with Electrolytes (Kidney Function Test with Electrolytes)
- Cholesterol - Total
- Hb (Hemoglobin)
- Complete Hemogram (CBC & ESR)














