




EUthyrox 100 Tablet
Written By Dr. Lipika Khurana, PGDHHM, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 29 Apr 2026 | 01:01 PM (IST)

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General Information





Product introduction
EUthyrox 100 Tablet is to be taken on an empty stomach, at least 30 minutes before breakfast, with a full glass of water. Take it exactly as prescribed by your doctor. Consistency in timing and dosage helps maintain stable hormone levels in the body. Avoid taking it with calcium, iron supplements, or antacids, as these can interfere with absorption. Follow up with your doctor regularly to monitor the effectiveness of the medicine and to make necessary dose adjustments if required.
Common side effects of EUthyrox 100 Tablet include headaches, nervousness, weight loss, insomnia, shortness of breath, and diarrhea. These effects usually occur if the dose is too high. If you experience symptoms like chest pain, rapid heartbeat, or excessive weight loss, inform your doctor immediately. To minimize side effects, take the medication exactly as prescribed and do not change the dose on your own.
EUthyrox 100 Tablet should not be used in cases of untreated adrenal gland problems, overactive thyroid, or severe heart conditions without your doctor’s supervision. Pregnant and breastfeeding women should consult their doctor, as dose adjustments may be necessary. Avoid taking excessive amounts of caffeine or soy-based products, as they may affect the drug’s absorption. Always inform your doctor about any other medications you are taking to prevent harmful interactions.
Uses of EUthyrox Tablet
Benefits of EUthyrox Tablet
Hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormones, leading to symptoms like tiredness, weight gain, and sensitivity to cold. EUthyrox 100 Tablet supplies the missing thyroid hormone, helping to restore normal body metabolism, energy levels, and overall well-being.
Side effects of EUthyrox Tablet
- Arrhythmia (irregular heartbeats)
- Headache
- Irritability
- Tremors
- Muscle weakness
- Weight loss
- Diarrhea
- Heat intolerance
- Skin rash
- Increased appetite
- Irregular menstrual cycle
- Insomnia (difficulty in sleeping)
- Heart attack
- Breathlessness
- Muscle spasm
How to use EUthyrox Tablet
How EUthyrox Tablet works
Quick tips
- Always take EUthyrox 100 Tablet at least 30 minutes before breakfast with a full glass of water to ensure proper absorption.
- Take your dose at the same time every day to maintain stable thyroid hormone levels in your body.
- Avoid certain foods and supplements such as calcium, iron supplements, soy products, and antacids as they can interfere with absorption.
- Keep track of how you feel, and report symptoms like fatigue, weight changes, or palpitations to your doctor for possible dose adjustments.
- Don’t skip or adjust the dose on your own, as missing doses or changing the dosage without medical advice can lead to imbalanced thyroid levels and unwanted side effects.
Safety advice

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Frequently asked questions
Fact Box
Chemical Class
Habit Forming
Therapeutic Class
Action Class
Related lab tests
References
- Levothyroxine [Prescribing Information]. Caguas, Puerto Rico: Neolpharma, Inc. Ltd.; 2017. [Accessed 14 Feb. 2025] (online) Available from:
- Levothyroxine [Prescribing Information]. Browns Bay Auckland: Boucher & Muir (NZ) t/a Mercury Pharma; 2024. [Accessed 14 Feb. 2025] (online) Available from:
- Levothyroxine [Prescribing Information]. London, UK: Mercury Pharma Group Ltd.; 2023. [Accessed 14 Feb. 2025] (online) Available from:
- Levothyroxine [Prescribing Information]. Morgantown, WV: Mylan Pharmaceuticals Inc.; 2024. [Accessed 10 Feb. 2025]. (online) Available from:
- Levothyroxine sodium. Raleigh, NC: Accord Healthcare, Inc.; 2026.




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Marketer details
Address: L-2, J.R. Complex, Gate No. 4, Village Mandoli, Delhi-110 093, India
Vendor Details
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)














