Telmisartan/hydrochlorothiazide (By mouth)
Hydrochlorothiazide (hye-droe-klor-oh-THYE-a-zide), Telmisartan (tel-mi-SAR-tan)
Treats high blood pressure. A lower blood pressure can reduce the risk of stroke and heart attack. This medicine contains an angiotensin receptor blocker (ARB) and a diuretic (water pill).
Micardis HCTThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:Do not use this medicine if you have had an allergic reaction to telmisartan, hydrochlorothiazide, or a sulfonamide (sulfa drug), or if you are pregnant. Do not use this medicine if you are not able to urinate. Do not use this medicine together with aliskiren (Tekturna®) if you have diabetes or renal impairment.
How to Use This Medicine:
- Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
- Carefully follow your doctor's instructions about any special diet.Drink plenty of fluids if you exercise, sweat more than usual, or have diarrhea or vomiting.
If a dose is missed:
- Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
How to Store and Dispose of This Medicine:
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not remove a tablet from the blister pack until you are ready take your medicine.
- Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if you also use other blood pressure medicines, including diuretics (water pills, such as furosemide, metolazone, spironolactone, triamterene, Aldactone®, Demadex®, Lasix®, Zaroxolyn®).
- Tell your doctor if you also use cholestyramine (Questran®), colestipol (Colestid®), digoxin (Lanoxin®), lithium (Eskalith®, Lithane®, Lithobid®), ramipril (Altace®), insulin or diabetes medicine that you take by mouth (such as glimepiride, glyburide, metformin, Actos®, Janumet®, Januvia®). Make sure your doctor knows if you use a steroid medicine (such as hydrocortisone, methylprednisolone, prednisolone, prednisone), or an NSAID pain or arthritis medicine (such as aspirin, diclofenac, ibuprofen, naproxen, Advil®, Aleve®, Celebrex®, Voltaren®).
- Ask your doctor before you use any medicine, supplement, or salt substitute that contains potassium.
- Alcohol, narcotic pain relievers, or sleeping pills may cause you to feel more lightheaded, dizzy, or faint when used with this medicine. Tell your doctor if you drink alcohol or use pain relievers or sleeping pills.
Warnings While Using This Medicine:
- It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant.
- Make sure your doctor knows if you are breastfeeding, or if you have kidney problems, liver disease (including cirrhosis), congestive heart failure, diabetes, glaucoma, gout, high cholesterol, lupus, an electrolyte imbalance (such as high or low calcium, potassium, magnesium, or sodium in the blood), or a history of asthma or allergies.
- This medicine could lower your blood pressure too much and cause you to feel dizzy or lightheaded. Stand or sit up slowly if you are dizzy. This is more likely to happen when you begin to use the medicine or if you become dehydrated.
- Call your doctor immediately if you have blurred vision, trouble seeing, eye pain, or any other change in vision. These could be symptoms of glaucoma, which could cause permanent damage to your vision.
- Do not stop using the medicine without asking your doctor, even if you feel well. This medicine will not cure your high blood pressure, but it will help keep it in the normal range. You may have to take blood pressure medicine for the rest of your life.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Blistering, peeling, red skin rash
- Change in how much or how often you urinate
- Changes in vision
- Confusion, weakness, trouble breathing, numbness or tingling in your hands, feet, or lips
- Dry mouth, increased thirst, muscle cramps, nausea, vomiting
- Fast, slow, or uneven heartbeat
- Joint pain
- Lightheadedness, dizziness, or fainting
- Rapid weight gain, swelling in your hands, ankles, or feet
If you notice these less serious side effects, talk with your doctor:
- Cough, runny or stuffy nose, sore throat
- Mild skin rash
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088Last Updated:
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