What is hydrochlorothiazide-valsartan?
Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.
Valsartan is in a group of drugs called angiotensin II receptor antagonists. Valsartan keeps blood vessels from narrowing, which lowers blood pressure improves blood flow.
The combination of hydrochlorothiazide and valsartan is used to treat high blood pressure (hypertension).
Hydrochlorothiazide and valsartan may also be used for other purposes not listed in this medication guide.
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Precautions
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Instructions
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Side Effects
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Interactions
Precautions
Do not use this medication if you are allergic to hydrochlorothiazide or valsartan (Diovan), or if you are unable to urinate.
Before using hydrochlorothiazide and valsartan, tell your doctor if you have:
- kidney disease;
- liver disease;
- congestive heart failure;
- asthma or allergies;
- low or high levels of magnesium or potassium in your blood;
- gout;
- lupus;
- diabetes; or
- an allergy to sulfa drugs.
If you have any of these conditions, you may need a dose adjustment or special tests to safely take hydrochlorothiazide and valsartan.
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. Valsartan 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 valsartan passes into breast milk. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.
Avoid drinking alcohol. It can lower your blood pressure and may increase some of the side effects of hydrochlorothiazide and valsartan.
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 valsartan, unless your doctor has told you to.
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Instructions
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.
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.
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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 valsartan 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 a serious side effect such as:
- 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.
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Interactions
Before taking hydrochlorothiazide and valsartan, tell your doctor if you are using any of the following drugs:
- any other blood pressure medications;
- steroids (prednisone and others);
- lithium (Eskalith, Lithobid);
- celecoxib (Celebrex) or valdecoxib (Bextra);
- cholestyramine (Prevalite, Questran) or colestipol (Colestid);
- insulin or diabetes medications you take by mouth;
- rifampin (Rifadin, Rimactane, Rifater);
- 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 not listed that can affect hydrochlorothiazide and valsartan. 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.
Other Names
Diovan HCT, hydrochlorothiazide-valsartan, and valsartan-hydrochlorothiazide
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Disclaimer
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04
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