This question is actually very important for the patient’s safety.

Regarding the medications you mentioned (Lasix, Spironolactone, and Capoten):

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1. Can they be taken at the same time?: Yes, they can generally be taken together, but close monitoring of blood pressure is essential since the combined effect of the three drugs may cause a significant drop in blood pressure in some patients.

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2. Measuring blood pressure before a dose: If the blood pressure is low before the scheduled dose:

It’s not advisable to give the full dose. Adjusting the dose based on the patient’s condition is recommended.

You should consider withholding the drug that’s most likely to cause the greatest drop in blood pressure. This depends on the case.

It’s not necessary to stop all three medications at once; deciding which to stop is based on the blood pressure reading and the patient’s overall status.

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3. If the drugs are given at different times:

If the blood pressure is low before any dose, you can delay the next scheduled dose. Regular monitoring of blood pressure is crucial in this case.

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The decision depends on the patient’s overall condition and any other symptoms they may be experiencing.