Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Blacking Out, Fainting, or Loss of Consciousness
Quite a few medications can make your blood pressure drop. Even if a medication is not the primary cause, it may be a significant contributor.
Types of medications that most often cause postural hypotension (a drop in blood pressure due to a change in body position) and lightheadedness with standing include:
- Blood pressure medicines
- Beta blockers
- Calcium channel blockers
- Diuretics (water pills)
- Nitroglycerin and other nitrates
- Tricyclic antidepressants
Do you take any of the above medications?
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