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Benicar HCT (olmesartan/hydrochlorothiazide) is a drug used to treat high blood pressure. The two medications it is made up of work together to reduce hypertension. Hydrochlorothiazide is a water pill that helps prevent too much salt absorption by increasing the production of urine. Olmesartan is an angiotensin receptor blocker (ARB) that relaxes blood vessels allowing easy passage of blood thus lowering blood pressure.

Always use Benicar HCT as directed by one’s physician. Take this medication orally usually once or twice daily with or without food, or as directed by one’s doctor. Benicar HCT can cause increased urination so it’s best to keep this in mind when it is close to one’s bedtime. If you also take medications for high cholesterol, avoid drug interactions by taking benicar at least 4 hours beforehand. If you feel the need to alter the dosage, consult your doctor first.


Do not take Benicar HCT if you are pregnant. There is a serious risk of harm to the unborn baby if you take this medication in your second or third trimester. Stop taking it immediately if you become pregnant and contact your physician immediately.

Prior to using the medication, consult with your doctor if you:

  • Are allergic to any of the two medications olmesartan or hydrochlorothiazide, or anything else in Benicar HCT
  • Have medical history of gout, kidney or liver disease, lupus, skin cancer, or severe dehydration
  • Have diabetes as this medication can affect your blood sugar

After using this medication, consult with your doctor if you:

  • Experience prolonged diarrhea or vomiting
  • Get sunburned, skin blisters or develop new moles/skin lesions

If your condition doesn’t improve or worsens, let your physician know immediately.

Side Effects

Side effects include but are not limited to:

  • Dizziness, lightheadedness;
  • Easy bruising, unusual bleeding;

Tell your doctor immediately if you experience:


  • Fainting
  • Decrease in vision or eye pain
  • Unexplained muscle weakness
  • Signs of kidney disease
  • Symptoms of dehydration or mineral loss such as extreme thirst and dry mouth
  • Persistent and severe dizziness
  • Persistent and severe diarrhea
  • Severe allergic reaction

If any of these effects persist or worsen immediately tell your doctor or pharmacist.


Q: Can I take Benicar HCT if I am pregnant?

A: It is STRONGLY advised against using this medication when pregnant due to a very real risk to the unborn baby. Consult your doctor if you are or become pregnant while on Benicar HCT.


Q: How long until I see results from taking Benicar HCT?

A: For some, it can take up to 4 weeks for this medication to start controlling your blood pressure. However, it’s vital to continue this medication as directed even if one feels well as high blood pressure often has no symptoms.


Q: What if I miss a dose?

A: If you miss a dose of Benicar HCT, take it as soon as you remember. If it’s almost time for your next dose, just take that one. Do not double up or take extra doses to make up for the missed one.


Q: What should I be aware of avoiding while taking Benicar HCT?

A: One should take notice of becoming dehydrated and/or overheated during exercise, keeping hydrated in hot weather, and alcohol consumption. One should also consult their doctor about using potassium supplements or salt substitutes.

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October 13, 2022

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October 4, 2022

Always appreciate their prompt service but especially appreciate their hanging in there when there was difficulty getting my doctor to renew my prescription!

A valid Prescription is required to be mailed or faxed to complete this order. I acknowledge that I will need to be contacted to complete a health profile before my order is shipped.

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