LETHYROX 12.5 TABLET

Uses and Benefits of LETHYROX 12.5 TABLET (Thyroxine Sodium 12.5mcg)

This medicine is used to treat conditions where the thyroid gland does not produce enough thyroid hormone naturally.

WHAT THIS MEDICINE IS USED FOR

• Hypothyroidism (underactive thyroid gland)
• Low-dose replacement therapy, often used in elderly patients or those with heart conditions who need a gentler starting dose
• Maintenance therapy after dose adjustment in thyroid disorders
• Supportive treatment in some cases of goitre associated with low thyroid hormone levels, as advised by your doctor

HOW IT WORKS

• Replaces the natural thyroid hormone (thyroxine) that the thyroid gland is not producing enough of
• Helps restore normal metabolic rate, energy levels, and body functions controlled by thyroid hormone
• Works gradually, with full effect often taking several weeks

WHAT IT IS NOT USED FOR

• Not used to treat hyperthyroidism (overactive thyroid)
• Not a treatment for obesity or weight loss in people with normal thyroid function
• Not meant for general fatigue or tiredness unless linked to confirmed low thyroid hormone levels
• Not a substitute for other hormone therapies unless specifically advised by your doctor

Side Effects of LETHYROX 12.5 TABLET (Thyroxine Sodium 12.5mcg)

COMMON SIDE EFFECTS

• Headache
• Mild nausea
• Sweating
• Difficulty sleeping

LESS COMMON SIDE EFFECTS

• Weight changes
• Menstrual irregularities
• Hair loss (usually temporary, especially when starting treatment)
• Feeling unusually warm or having increased body temperature

SERIOUS SIDE EFFECTS — STOP AND SEE A DOCTOR IMMEDIATELY

• Chest pain or palpitations
• Rapid or irregular heartbeat
• Shortness of breath
• Severe headache, tremors, or excessive sweating
• Signs of allergic reaction such as rash, swelling of face/lips/tongue, or difficulty breathing

This is not a complete list. Report any unusual or persistent symptom to your doctor or pharmacist.

How to Use LETHYROX 12.5 TABLET (Thyroxine Sodium 12.5mcg)

HOW TO TAKE IT

• Take exactly as prescribed by your doctor, usually once daily
• Take on an empty stomach, preferably in the morning, at least 30-60 minutes before breakfast
• Swallow the tablet with a full glass of water
• Take it at the same time every day for consistent effect
• Do not take it along with calcium, iron supplements, or antacids at the same time; leave a gap of a few hours
• Do not stop or change the dose on your own, even if you feel better

IF YOU MISS A DOSE

• Take the missed dose as soon as you remember on the same day
• If it is almost time for the next dose, skip the missed one and continue as usual
• Do not take a double dose to make up for a missed one

STORAGE

• Store in a cool, dry place away from direct sunlight and moisture
• Keep out of reach of children
• Do not store in the bathroom or near the kitchen sink
• Check the expiry date before use and discard expired medicine safely

Safety Information and Precautions for LETHYROX 12.5 TABLET (Thyroxine Sodium 12.5mcg)

This medicine is available only with a valid doctor's prescription in India.

DO NOT TAKE THIS MEDICINE IF YOU

• Are allergic to thyroxine sodium or any of its ingredients
• Have untreated adrenal gland problems (adrenal insufficiency)
• Have untreated overactive thyroid (thyrotoxicosis)
• Have had a recent heart attack, unless your doctor says it is safe

TELL YOUR DOCTOR BEFORE STARTING IF YOU

• Have heart disease, high blood pressure, or irregular heartbeat
• Have diabetes, as thyroxine may affect blood sugar control
• Are pregnant, planning pregnancy, or breastfeeding
• Have osteoporosis or weak bones
• Are elderly, as lower doses and closer monitoring may be needed

MEDICINES THAT CAN INTERACT

• Blood thinners (like warfarin)
• Diabetes medicines (insulin or oral tablets)
• Calcium or iron supplements and antacids
• Certain antidepressants
• Oral contraceptives or hormone therapies
• Other medicines for heart conditions

Always tell your doctor about all medicines, supplements, and herbal products you are taking.

FREQUENTLY ASKED QUESTIONS

Can I stop this medicine once I feel better?

No, hypothyroidism usually needs long-term treatment; stopping suddenly can cause symptoms to return.

Does this medicine need regular blood tests?

Yes, periodic thyroid function tests are usually needed to check if the dose is right for you.

Can I take this with food?

• It is best taken on an empty stomach, as food can reduce how well it is absorbed.
• Doctor ya pharmacist se salah lein.