• POTS

• Chronic pelvic pain (worsens with standing/sitting).

• Pelvic pressure or heaviness.

• Abdominal pain or discomfort.

• Visible varicose veins (vulva, thighs, buttocks, or legs).

• Leg heaviness or swelling.

• Lower back pain.

• Painful menstrual periods (dysmenorrhea).

• Painful intercourse (dyspareunia).

• Infertility.

• Vaginal/vulvar discomfort or swelling.

• Frequent urination.

• Constipation or bloating.

• Irritable bowel-like symptoms.

• Fatigue.

• Mood disturbances.

POTS

Swelling in the left leg. Very rarely in the right, but it happens.

• Pain or discomfort in the leg (thigh or calf).

• Heaviness in the leg.

• Skin discoloration (red/purple).

• Visible varicose veins in the thigh or lower leg.

• Warmth in the affected leg.

• Deep vein thrombosis (DVT):

  • Sudden swelling and sharp pain.

  • Redness or warmth.

• Chronic venous insufficiency:

  • Persistent swelling.

  • Skin thickening/darkening.

  • Venous ulcers.

• Pulmonary embolism (emergency):

  • Sudden shortness of breath.

  • Chest pain or rapid heartbeat.

  • Coughing up blood.

• Hematuria (blood in urine):

  • Microscopic or visible.

• Proteinuria (protein in urine).

• Flank pain (left side).

• Abdominal pain (upper/lower abdomen).

• Pelvic congestion symptoms:

  • Swelling or varicose veins in the pelvis/vulva.

• Testicular pain or varicocele (in men).

• Visible varicose veins (left flank, abdomen, legs).

• Fatigue (chronic or related to anemia).

• Orthostatic intolerance (dizziness when standing).

• Abdominal pain:

  • Dull ache or sharp pain.

  • Worsens after eating or with exercise.

  • Improves when bending forward.

• Nausea and vomiting.

• Early satiety (feeling full quickly).

• Bloating (after meals).

• Unintended weight loss.

• Postprandial hypotension (lightheadedness after eating).

• Epigastric bruit (whooshing sound in upper abdomen).

• Referred pain (to back/shoulders).

• Exercise-related abdominal pain.