![](/img/logo/vendor/harvard-health-logo-long.png)
Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Lightheaded with Standing
If you get lightheaded now as you stand, it is likely that you need more fluid, and possibly a little extra salt. Since you don't know your blood pressure, we need to make an assumption that your blood pressure did fall a little. Increase your fluid intake. If your symptoms persist, call your doctor for advice.
Feedback
How can we improve the Drugs.com Symptom Checker?
Disclaimer: This content should not be considered complete and should not be used in place of a call or visit to a health professional. Use of this content is subject to specific terms of use & medical disclaimers.