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Contents
Common use
Benicar (olmesartan medoxomil) is a medication from the class of angiotensin II receptor blockers (ARBs), commonly prescribed to treat high blood pressure (hypertension). It works by blocking a substance in the body that causes blood vessels to tighten, helping them relax and widen. This leads to improved blood flow and reduced workload on the heart.
Lowering blood pressure helps prevent strokes, heart attacks, and kidney problems. Benicar is sometimes used in combination with other antihypertensive medications, such as diuretics or calcium channel blockers, for better effect. In some cases, it is prescribed off-label for conditions like heart failure or diabetic nephropathy.
Dosage and direction
Take Benicar exactly as prescribed by your healthcare provider. It is typically taken once a day, with or without food. The usual starting dose for adults is 20 mg daily, which may be increased to 40 mg if needed.
Swallow the tablet whole with a glass of water. Do not crush or chew it. Try to take the medicine at the same time each day for best results.
Blood preasure should be monitored regularly, especially when beginning treatment or changing the dose.
Precautions
Before taking Benicar, tell your doctor if you have liver disease, kidney disease, or if you are on a low-salt diet. Benicar can cause a significant drop in blood pressure, especially after the first dose or when taken with diuretics.
This medication may raise blood potassium levels, which can lead to serious heart rhythm problems. Avoid potassium supplements or salt substitutes unless advised otherwise.
Benicar is not recommended during pregnancy, especially in the second and third trimesters, as it can harm the unborn baby.
Use caution when driving or operating machinery until you know how the drug affects you. Dizzyness may occur, especially when standing up too fast.
Contraindications
Benicar should not be used by anyone who is allergic to olmesartan or its inactive ingredients. It is contraindicated in:
Pregnant women, particularly in the later stages
Patients with severe kidney disease who are also taking aliskiren
Individuals with hereditary problems of galactose intolerance
People with diabetes should avoid combining Benicar with aliskiren due to increased risk of renal issues and hyperkalemia.
Possible side effects
Common side effects include dizziness, headache, fatigue, and back pain. Most symptoms are mild and go away with continued use.
More serious but rare side effects include:
Severe diarrhea or intestinal issues (sprue-like enteropathy)
High potassium levels (muscle weakness, slow heartbeat)
Kidney problems (changes in urination, swelling)
Fainting or signs of very low blood pressure
If you notice signs of a serious allergic reaction like swelling of the face or throat, seek imediate medical help.
Drug interactions
Tell your doctor about all medications you are taking. Important interactions may occur with:
Potassium supplements or potassium-sparing diuretics
NSAIDs like ibuprofen or naproxen
Diuretics (water pills)
Lithium (risk of lithium toxicity)
Other blood pressure medications (ACE inhibitors, aliskiren)
Avoid combining Benicar with alcohol, which may worsen blood pressure lowering effects.
Missed dose
If you miss a dose, take it as soon as you remember. If it is almost time for the next dose, skip the missed one. Do not double up the dose.
Overdose
Symptoms of overdose may include severe dizziness, fainting, or very slow heartbeat. Seek emerjency care immediately if you suspect an overdose.
Storage
Store Benicar at room temperature (20° - 25°C / 68° - 77°F). Keep the container tightly closed, away from heat, light, and moisture. Keep out of reach of children and pets.
U.S. Sale and Prescription Policy
In the United States, Benicar is available only with a valid prescription from a licensed medical provider. It is classified by the FDA as a prescription antihypertensive agent and cannot be purchased legally over-the-counter.
U.S. guidelines recommend blood pressure medications like Benicar be prescribed only after confirmed diagnosis and medical evaluation. Refills typically require follow-up visits or remote blood pressure tracking.
Generic olmesartan is widely available and covered by most insurance plans. Pharmacies and telehealth providers may offer consultations for hypertension and prescribe Benicar if appropriate.
Self-medication with ARBs is discouraged due to the risk of complications like low blood pressure, high potassium, or kidney damage.
Disclaimer
This information is intended for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider before taking or adjusting any prescription medication. We are not responsble for misuse or misunderstanding of this content.