Generic Name: hydrochlorothiazide and telmisartan (hye droe klor oh THYE a zide and TEL mi SAR tan)
Brand Names: Micardis HCT
What is Micardis HCT (hydrochlorothiazide and telmisartan)?
Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.
Telmisartan is in a group of drugs called angiotensin II receptor antagonists. Telmisartan keeps blood vessels from narrowing, which lowers blood pressure and improves blood flow.
The combination of hydrochlorothiazide and telmisartan is used to treat high blood pressure (hypertension).
Hydrochlorothiazide and telmisartan may also be used for other purposes not listed in this medication guide.
What is the most important information I should know about Micardis HCT (hydrochlorothiazide and telmisartan)?
Do not use this medication if you are allergic to hydrochlorothiazide or telmisartan, or if you are unable to urinate. Do not use this medication without telling your doctor if you are pregnant. Telmisartan may cause injury and even death to the unborn baby if you take it during the second and third trimesters of pregnancy. Use an effective form of birth control. Stop using this medication and tell your doctor right away if you become pregnant during treatment.
Before using hydrochlorothiazide and telmisartan, tell your doctor if you have congestive heart failure, kidney or liver disease, glaucoma, asthma, low or high blood levels of potassium, gout, lupus, diabetes, or an allergy to sulfa drugs or penicillin.
Avoid drinking alcohol. It can lower your blood pressure and may increase some of the side effects of hydrochlorothiazide and telmisartan.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Follow your doctor's instructions about the type and amount of liquids you should drink. In some cases, drinking too much liquid can be as unsafe as not drinking enough.
Do not use potassium supplements or salt substitutes while you are taking hydrochlorothiazide and telmisartan, unless your doctor has told you to. In rare cases, hydrochlorothiazide and telmisartan can cause a condition that results in the breakdown of skeletal muscle tissue, leading to kidney failure. Call your doctor right away if you have muscle pain, tenderness, or weakness especially if you also have fever, nausea or vomiting, and dark colored urine.
What should I discuss with my healthcare provider before taking Micardis HCT (hydrochlorothiazide and telmisartan)?
Do not use this medication if you are allergic to hydrochlorothiazide or telmisartan, or if you are unable to urinate.
Before using hydrochlorothiazide and telmisartan, tell your doctor if you have:
- kidney disease;
- liver disease;
congestive heart failure;
glaucoma;
asthma or allergies;
low or high levels of magnesium or potassium in your blood;
gout;
lupus,
diabetes; or
an allergy to sulfa drugs or penicillin.
If you have any of these conditions, you may need a dose adjustment or special tests to safely take hydrochlorothiazide and telmisartan.
FDA pregnancy category D. This medication can cause harm to an unborn baby. Do not use this medication without telling your doctor if you are pregnant. Telmisartan may cause injury and even death to the unborn baby if you take it during the second and third trimesters of pregnancy. Use an effective form of birth control. Stop using this medication and tell your doctor right away if you become pregnant during treatment. It is not known whether hydrochlorothiazide and telmisartan passes into breast milk. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.
How should I take Micardis HCT (hydrochlorothiazide and telmisartan)?
Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.
Your doctor may occasionally change your dose to make sure you get the best results from this medication.
Take this medication with a full glass (8 ounces) of water.
To be sure this medication is helping your condition, your blood pressure will need to be checked on a regular basis. Do not miss any scheduled appointments.
Hydrochlorothiazide can interfere with the results of a thyroid test. Tell any doctor who treats you that you are using this medication.
If you are being treated for high blood pressure, keep using this medication even if you feel fine. High blood pressure often has no symptoms.
Store hydrochlorothiazide and telmisartan at room temperature away from moisture and heat.
What happens if I miss a dose?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include fast or slow heartbeat, feeling light-headed, or fainting.
What should I avoid while taking Micardis HCT (hydrochlorothiazide and telmisartan)?
Avoid drinking alcohol. It can lower your blood pressure and may increase some of the side effects of hydrochlorothiazide and telmisartan.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Follow your doctor's instructions about the type and amount of liquids you should drink. In some cases, drinking too much liquid can be as unsafe as not drinking enough.
Do not use potassium supplements or salt substitutes while you are taking hydrochlorothiazide and telmisartan, unless your doctor has told you to.
Micardis HCT (hydrochlorothiazide and telmisartan) side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. In rare cases, hydrochlorothiazide and telmisartan can cause a condition that results in the breakdown of skeletal muscle tissue, leading to kidney failure. Call your doctor right away if you have muscle pain, tenderness, or weakness especially if you also have fever, nausea or vomiting, and dark colored urine. Stop using this medication and call your doctor at once if you have any other serious side effects, such as:
eye pain, vision problems;
feeling light-headed, fainting;
swelling, rapid weight gain;
fast or pounding heartbeats;
urinating less than usual, or not at all;
jaundice (yellowing of the skin or eyes); or
dry mouth, increased thirst, drowsiness, restless feeling, confusion, increased urination, fast heart rate, fainting, or seizure (convulsions).
Less serious side effects may include:
stomach pain, diarrhea;
back pain;
headache, tired feeling, dizziness;
skin rash;
stuffy nose, sore throat; or
dry cough.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Micardis HCT (hydrochlorothiazide and telmisartan)?
Before taking hydrochlorothiazide and telmisartan, tell your doctor if you are using any of the following drugs:
any other blood pressure medications;
digoxin (digitalis, Lanoxin, Lanoxicaps);
a blood thinner such as warfarin (Coumadin, Jantoven);
steroids (prednisone and others);
lithium (Eskalith, Lithobid);
cholestyramine (Prevalite, Questran) or colestipol (Colestid);
insulin or diabetes medications you take by mouth;
a barbiturate such as amobarbital (Amytal), butabarbital (Butisol), mephobarbital (Mebaral), secobarbital (Seconal), or phenobarbital (Luminal, Solfoton);
any other diuretics, such as amiloride (Midamor), bumetanide (Bumex), chlorthalidone (Hygroton, Thalitone), ethacrynic acid (Edecrin), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDiuril), indapamide (Lozol), metolazone (Mykrox, Zarxolyn), spironolactone (Aldactone), triamterene (Dyrenium, Maxzide, Dyazide), torsemide (Demadex), and others;
aspirin or other NSAIDs (non-steroidal anti-inflammatory drugs) such as ibuprofen (Motrin, Advil), diclofenac (Voltaren), diflunisal (Dolobid), etodolac (Lodine), flurbiprofen (Ansaid), indomethacin (Indocin), ketoprofen (Orudis), ketorolac (Toradol), mefenamic acid (Ponstel), meloxicam (Mobic), nabumetone (Relafen), naproxen (Aleve, Naprosyn), piroxicam (Feldene), and others;
a muscle relaxer such as baclofen (Lioresal), carisoprodol (Soma), cyclobenzaprine (Flexeril), dantrolene (Dantrium), metaxalone (Skelaxin), or methocarbamol (Robaxin), orphenadrine (Norflex), or tizanidine (Zanaflex);
a narcotic medication such as hydrocodone (Lortab, Vicodin), hydromorphone (Dilaudid, Palladone), levorphanol (Levo-Dromoran), meperidine (Demerol), methadone (Methadose), morphine (Kadian, MS Contin), oxycodone (OxyContin), oxymorphone (Numorphan), or propoxyphene (Darvon, Darvocet).
This list is not complete and there may be other drugs that can interact with hydrochlorothiazide and telmisartan. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
More Micardis HCT resources
- Micardis HCT Side Effects (in more detail)
- Micardis HCT Use in Pregnancy & Breastfeeding
- Drug Images
- Micardis HCT Drug Interactions
- Micardis HCT Support Group
- 8 Reviews for Micardis HCT - Add your own review/rating
- Micardis HCT Prescribing Information (FDA)
- Micardis HCT Advanced Consumer (Micromedex) - Includes Dosage Information
- Micardis HCT MedFacts Consumer Leaflet (Wolters Kluwer)
Compare Micardis HCT with other medications
- High Blood Pressure
Where can I get more information?
- Your pharmacist can provide more information about hydrochlorothiazide and telmisartan.
See also: Micardis HCT side effects (in more detail)
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