Olmesartan is in a group of drugs called angiotensin II receptor antagonists. Olmesartan keeps
blood vessels from narrowing, which lowers blood pressure and improves blood flow.
Olmesartan is used to treat high blood pressure (hypertension). It is sometimes given together
with other blood pressure medications.
Olmesartan may also be used for other purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking olmesartan?
You should not use this medication if you are allergic to olmesartan.
Before using olmesartan, tell your doctor if you are allergic to any drugs, or if you have:
kidney disease;
liver disease;
congestive heart failure; or
if you are dehydrated.
If you have any of these conditions, you may need a dose adjustment or
special tests to safely take this medication.
FDA pregnancy category D. This medication can cause harm to an unborn baby.
Olmesartan may cause injury and even death to the unborn baby if you take it during the second and
third trimesters of pregnancy. Do not use olmesartan without your doctor's consent if you are
pregnant. 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 olmesartan passes into breast milk or if it could harm a nursing
baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
How should I take olmesartan?
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.
You may take olmesartan with or without food.
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.
Keep using this medication even if you feel fine. High blood pressure often has no symptoms.
Store olmesartan at room temperature away from moisture and heat.
What happens if I miss a dose of olmesartan?
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.
Where can I get more information about olmesartan?
Your pharmacist has information about olmesartan written for health professionals that you may read.
What are the possible side effects of olmesartan?
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, olmesartan 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.
Call your doctor at once if you have any other serious side effect, such as:
feeling like you might pass out;
painful or difficult urination;
urinating less than usual or not at all;
chest pain, fast heart rate;
swelling in your hands or feet; or
slow heart rate, weak pulse, tingly feeling.
Less serious side effects may include:
runny or stuffy nose, sore throat, cough;
joint pain;
back pain;
stomach pain, diarrhea;
headache, dizziness;
mild itching or skin rash;
weakness; or
increased sweating.
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 is the most important information I should know about olmesartan?
Do not
use this medication without telling your doctor if you are pregnant.
Olmesartan 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.
You should not use this medication if you are allergic to olmesartan.
Avoid drinking alcohol. It can lower your blood pressure and may increase some of the
side effects of olmesartan.
Do not use potassium supplements or salt substitutes while you are taking olmesartan,
unless your doctor has told you to.
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.
Keep using this medication even if you feel fine. High blood pressure often has no symptoms.
In rare cases, olmesartan 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 avoid while taking olmesartan?
Avoid drinking alcohol. It can lower your blood pressure and may increase some of the
side effects of olmesartan.
Do not use potassium supplements or salt substitutes while you are taking olmesartan,
unless your doctor has told you to.
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly
and steady yourself to prevent a fall.
What other drugs will affect olmesartan?
Before taking olmesartan, tell your doctor if you are also taking a diuretic (water pill).
There may be other drugs that can interact with olmesartan. 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.
Remember, keep this and all other medicines out of the reach of children, never share
your medicines with others, and use this medication only for the indication prescribed.
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Content provided by Multum - Last Updated 11/10/2009