Dehydration can cause vertigo, so can allergies and a number of other things. If this re-occurs, you might want to discuss it with your doctor. Also, some have found relief from vertigo with Acupuncture treatments, so that may be an option for you, too.
Chronic Lyme Disease, Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication/Chemical Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD ("Secondary Lupus-Like Syndrome"), Osteoporosis, Pancytopenia, chronic malabsorption/malnutrition, etc.; G-Tube; Currently TPN-dependent.
Meds: Zofran, Pulmicort, Heparin (to flush PICC line), IV Ceftazidime (for Pleural Effusion), Claritin, Colloidal Silver (used topically), probiotics.