Tertroxin 25mcg Tablet

Liothyronine (25mcg)

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Tertroxin 25mcg Tablet is a medicine used to treat an underactive thyroid gland (hypothyroidism). It replaces the hormone that is not being produced by your thyroid gland in sufficient quantity and helps regulate your body’s energy and metabolism.

Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 08 May 2026 | 03:58 PM (IST)

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General Information

Contains

Liothyronine (25mcg)

Marketer

Aarkios Health Pvt Ltd

Storage

Store below 25°C

The content is shown in English

Product introduction

Before you start taking Tertroxin 25mcg Tablet, your doctor may do a blood test to see what dose you need. Once you start taking the medicine, you will have regular blood tests to see how well it is working, and the dose may be adjusted from time to time. Take it regularly and take it for as long as your doctor has prescribed. It may take several weeks before your symptoms start to improve. If you stop taking it without consulting your doctor, your symptoms may come back.

The most common side effects of Tertroxin 25mcg Tablet are caused when it is taken in a higher dose than you need. These side effects include arrhythmias, dyspnea, headache, nervousness, and muscle weakness. Most side effects will disappear once you are on the right dose.

Call your doctor straight away if you have a very high temperature, fast or irregular heart rate, low blood pressure, yellowness in the eyes/skin, confusion, or fits. Tertroxin 25mcg Tablet may cause weight loss, but should not be prescribed or taken to treat obesity. Pregnant or breastfeeding women should consult their doctor before taking Tertroxin 25mcg Tablet to ensure safety. Many other drugs affect the way this medicine works. Ask your doctor for advice if you are taking any other medications.

Uses of Tertroxin Tablet

Hypothyroidism

Benefits of Tertroxin Tablet

Hypothyroidism
Tertroxin 25mcg Tablet is a synthetic version of thyroid hormone that is naturally produced in your body. When your body does not produce enough thyroxine, you get hypothyroidism. Some symptoms of hypothyroidism include tiredness, weight gain, and muscle aches. This medicine raises your hormone level to the right amount and helps you get rid of these symptoms. For most people, this is a lifelong medication and should not be discontinued without talking to your doctor.

It may take a while for this medicine to work properly. Your doctor may get regular blood tests done to determine the effectiveness of this medicine and to make sure that you are on the right dose.

Side effects of Tertroxin Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Tertroxin

Weight loss
Diarrhea
Heat intolerance
Irregular menstrual cycle
Skin rash
Arrhythmia (irregular heartbeats)
Headache
Nervousness
Insomnia (difficulty in sleeping)
Muscle weakness
Increased appetite
Irritability

How to use Tertroxin Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Tertroxin 25mcg Tablet may be taken with or without food.

How Tertroxin Tablet works

Tertroxin 25mcg Tablet is a synthetic form of the thyroid hormone triiodothyronine. It works by supplying the thyroid hormones normally produced by the body and treats an underactive thyroid (hypothyroidism). This helps maintain energy levels, metabolism, and overall body function.

Quick tips

Carefully monitor your sugar levels regularly if you are diabetic, since Tertroxin 25mcg Tablet may worsen your sugar levels and increase antidiabetic agents or insulin requirements.
Get your hormone levels checked regularly and inform your doctor if you notice a significant change in your body weight. The dose may need to be adjusted.
Seek immediate medical help if you experience chest pain, shortness of breath, fatigue, vomiting, diarrhea, or skin rash.
You may experience hair loss after starting the treatment with Tertroxin 25mcg Tablet. Although this is temporary, consult your doctor if it bothers you.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Tertroxin 25mcg Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Tertroxin 25mcg Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CONSULT YOUR DOCTOR

Information regarding the use of Tertroxin 25mcg Tablet during breastfeeding is not available. Please consult your doctor.

Driving

SAFE

Tertroxin 25mcg Tablet does not usually affect your ability to drive.

Kidney

CAUTION

Tertroxin 25mcg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Tertroxin 25mcg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Tertroxin with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Moderate

Aminophylline (Oral Route)

Your doctor may monitor your treatment and adjust the doses as per the observations. Liothyronine may reduce blood levels of Aminophylline.

Moderate

Digoxin (Oral Route)

If concurrent use is essential, your doctor may monitor your levels of Digoxin along with your overall treatment and adjust the doses as per the observations. Digoxin may increase the effect of Liothyronine.

Moderate

Theophylline (Oral Route)

Your doctor may monitor your treatment and adjust the doses as per the observations. Liothyronine may reduce blood levels of Theophylline.

Moderate

Acenocoumarol (Oral Route)

Your doctor may frequently monitor your blood clotting time. Liothyronine may increase the effect of Acenocoumarol.

Moderate

Phenindione (Oral Route)

Your doctor may frequently monitor your blood clotting time. Liothyronine may increase the effect of Phenindione.

Frequently asked questions

Does Tertroxin 25mcg Tablet raise blood sugar?

Yes, Tertroxin 25mcg Tablet may worsen blood sugar levels and thus increase the need for antidiabetic medications in patients with diabetes. Carefully monitor your blood sugar level while taking this drug.

Can Tertroxin 25mcg Tablet be used for weight loss?

No, Tertroxin 25mcg Tablet should not be used to treat obesity or for weight loss. It is ineffective for weight reduction and, when taken in larger amounts, may cause more serious side effects.

Does Tertroxin 25mcg Tablet cause hair loss?

Yes, while taking this medicine, your hair may become brittle, break, or fall from the roots. These conditions tend to resolve once the treatment is stopped. Be gentle when brushing and washing hair to manage hair loss.

How to get relief from diarrhea while on treatment with Tertroxin 25mcg Tablet?

Food items with soluble fiber can help relieve diarrhea as they help absorb excess fluid from the body. These food items include bananas (ripe), oranges, boiled potatoes, white rice, curd, and oatmeal. Diarrhea can also cause dehydration in the body, so drink 8-10 glasses of water to avoid it. You can also have soups and juices frequently to hydrate yourself.

Fact Box

Chemical Class

Phenylalanine derivative

Habit Forming

Therapeutic Class

HORMONES

Action Class

Thyroid Hormones

Related lab tests

Anti Thyroglobulin Antibody

Thyroid Function Test

Thyroid Profile Free

Thyroid Stimulating Hormone

References

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Aarkios Health Pvt Ltd
Address: No. 3-A, Bhagwan Mansion, 7 Cinema Road Behind Metro Cinema, Mumbai - 400020, Maharashtra, India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Tertroxin 25mcg Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Tertroxin Tablet

Benefits of Tertroxin Tablet

Side effects of Tertroxin Tablet

How to use Tertroxin Tablet

How Tertroxin Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Aminophylline (Oral Route)

Digoxin (Oral Route)

Theophylline (Oral Route)

Acenocoumarol (Oral Route)

Phenindione (Oral Route)

Frequently asked questions

Does Tertroxin 25mcg Tablet raise blood sugar?

Can Tertroxin 25mcg Tablet be used for weight loss?

Does Tertroxin 25mcg Tablet cause hair loss?

How to get relief from diarrhea while on treatment with Tertroxin 25mcg Tablet?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Anti Thyroglobulin Antibody

Thyroid Function Test

Thyroid Profile Free

Thyroid Stimulating Hormone

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests