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Exeltis Ordain Health Care - Injection - 20mg - 1 ml
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Hydrochlorothiazide (12.5mg)
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Thiazide 12.5 mg is used for hypertension (high blood pressure).
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Thiazide 12.5 mg contains Hydrochlorothiazide (12.5mg). It belongs to the Water tablet class of medicines.
Hypertension (high blood pressure)
Thiazide 12.5mg Tablet is a diuretic which lowers blood pressure by removing extra water and certain electrolytes from the body. Over time it also relaxes blood vessels and improves blood flow.
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. Thiazide 12.5mg Tablet should be taken with or after food.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
If you miss a dose of Thiazide 12.5mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
An overdose of this medicine can cause severe dehydration, a sharp fall in blood pressure and dangerous salt imbalances. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Most side effects of Thiazide are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Pregnancy SAFE IF PRESCRIBED |
|---|---|
| Breastfeeding | Breast feeding CAUTION |
| Alcohol | Alcohol CAUTION |
| Driving | Driving CONSULT YOUR DOCTOR |
| Kidney | Kidney CAUTION |
| Liver | Liver CAUTION |
| Habit forming | No |
Take it in the morning so that passing urine does not disturb your sleep. Your doctor will check your salts and kidney function with blood tests — do not skip them. Report muscle cramps, marked weakness, confusion or an irregular heartbeat; these can be signs your potassium or sodium has fallen. In hot weather or during an illness with vomiting or loose motions, tell your doctor — you may become dehydrated quickly.
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people who are unable to pass urine, or who are severely dehydrated.
Anti-inflammatory painkillers blunt the effect and can strain the kidneys. Lithium and digoxin levels are affected; tell your doctor if you take either. Potassium-sparing types must not be combined with potassium supplements without supervision.
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Thiazide 12.5mg Tablet helps lower blood pressure and also removes excess water from your body. Take it in the morning with breakfast to avoid getting up at night to urinate. It makes you feel dizzy. Avoid driving and attention requiring activity until you know how it affects you. Avoid alcohol intake while taking Thiazide 12.5mg Tablet as it may increase the dizziness. It may cause a sudden drop of sodium level in blood. Avoid low sodium diet while you are taking this medication. Monitor your blood pressure after starting Thiazide 12.5mg Tablet, and notify your doctor if it does not lower down. Notify your doctor if you experience dizziness, tiredness, or muscle weakness that does not go away. Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.

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The information on Thiazide 12.5 mg is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.