What causes dizziness and vertigo at six months of pregnancy, and what should be done about it?

Nov 15, 2025 Source: Cainiu Health

Dr. Zhang Lu

Introduction

In general, dizziness and vertigo at six months of pregnancy may be caused by orthostatic hypotension, anemia during pregnancy, hypoglycemia, gestational hypertension, or vestibular dysfunction of the inner ear. It is recommended to seek medical attention promptly, identify the underlying cause, and receive symptomatic treatment under a doctor's guidance. In daily life, ensure adequate sleep and avoid staying up late or overexertion.

Generally, dizziness and vertigo at six months of pregnancy may be caused by orthostatic hypotension, anemia during pregnancy, hypoglycemia, gestational hypertension, or vestibular dysfunction of the inner ear. It is recommended to seek medical attention promptly, identify the underlying cause, and receive symptomatic treatment under a doctor's guidance. Specific analysis is as follows:

1. Orthostatic hypotension: During mid-pregnancy, blood vessels dilate, and sudden standing can lead to insufficient cerebral blood supply, causing dizziness. Move slowly when changing positions; sit for a moment before standing up, avoid prolonged squatting or sitting, and wear loose clothing to reduce vascular compression.

2. Anemia during pregnancy: The fetus requires increased iron, and maternal iron deficiency leads to reduced hemoglobin and decreased oxygen-carrying capacity, resulting in dizziness. Increase intake of iron-rich foods such as lean meat and animal liver, and take iron supplements like ferrous succinate tablets, polysaccharide-iron complex capsules, or ferrous fumarate granules as prescribed.

3. Hypoglycemia: Increased metabolism during pregnancy, fasting, or inadequate food intake can lead to low blood sugar, causing dizziness and fatigue. Eat small, frequent meals, carry snacks such as whole-wheat bread or fruit, avoid prolonged fasting, and maintain stable blood glucose levels.

4. Gestational hypertension: Elevated blood pressure during pregnancy affects cerebral perfusion, leading to dizziness accompanied by headache and blurred vision. Strictly limit salt intake to no more than 5 grams per day, and take antihypertensive medications such as labetalol tablets, nifedipine sustained-release tablets, or methyldopa tablets as directed by your doctor.

5. Vestibular dysfunction of the inner ear: Hormonal changes during pregnancy affect the balance function of the inner ear, causing vertigo. Avoid rapid head movements or strenuous activities, minimize triggers, and take medications such as vitamin B1 tablets, mecobalamin tablets, or ginkgo biloba extract tablets as prescribed to improve inner ear circulation.

Maintain adequate sleep and avoid staying up late or overexertion. Engage in mild physical activities such as walking to enhance cardiovascular function. Regularly monitor blood pressure, blood glucose, and complete blood count to track changes in health indicators and ensure the well-being of both mother and baby.

View All

What causes slight bleeding in the third trimester of pregnancy without abdominal pain, and what should be done?

In late pregnancy, slight bleeding without abdominal pain may be caused by factors such as bloody show, cervical polyps, placenta previa, early placental abruption, or vaginitis. Symptoms can be managed through symptom observation, bed rest, medication, and medical monitoring. If bleeding increases or abdominal pain occurs, immediate medical attention is required. In late pregnancy, the cervix matures, and the fetal membranes near the internal cervical os may separate from the uterine wall.

View Full Answer

Why does the stomach become hard after slight movement at 27 weeks of pregnancy, and what should be done?

In general, during the 27th week of pregnancy, slight physical activity causing the abdomen to feel hard may be due to false labor contractions (Braxton Hicks contractions), uterine enlargement stretching ligaments, preterm labor signs, placental abruption, or red degeneration of uterine fibroids. Depending on the specific situation, improvements can be achieved through general management, medication, or surgical treatment. Pregnant women should avoid strenuous exercise and walk within their limits. Regular prenatal checkups are essential to monitor uterine and fetal conditions.

View Full Answer

What causes sudden severe pain below the lower abdomen, and what should be done?

Sudden severe pain below the lower abdomen may be caused by intestinal spasms, ovulation pain, acute enteritis, ureteral stones, pelvic inflammatory disease, etc. Symptoms can be improved through rest, keeping warm, dietary adjustments, and medication. If the pain persists or is accompanied by fever and vomiting, prompt medical attention is required. Abdominal cold exposure or dietary irritation can trigger strong contractions of the intestinal smooth muscle.