Why do I feel dizzy after taking Ornidazole capsules?
Nov 26, 2025
Source: Cainiu Health
Dr. Huang Yuhong
Introduction
A lower than normal number of red blood cells or hemoglobin levels in the body leads to insufficient oxygen and blood supply to the brain. Taking ornidazole capsules may worsen dizziness. This condition is often accompanied by symptoms such as pale complexion and fatigue. Under a doctor's guidance, patients can take ferrous sulfate tablets, folic acid tablets, and vitamin B12 tablets, and consume more iron- and protein-rich foods.
Generally, dizziness after taking ornidazole capsules may be caused by factors such as excessive drug dosage, individual sensitivity to the medication, anemia, hypotension, or insufficient cerebral blood supply. If such symptoms occur, it is recommended to seek timely medical evaluation at a正规 hospital to identify the underlying cause and receive appropriate treatment. Specific analyses are as follows:
1. Excessive drug dosage: When the dose of ornidazole exceeds the normal range, the drug may accumulate in the body and exert a strong inhibitory effect on the nervous system, leading to dizziness. Adjust the dosage and strictly follow medical instructions; avoid self-adjusting the dose.
2. Individual sensitivity to the drug: Some individuals have nervous systems that are particularly sensitive to ornidazole. Even at normal doses, they may experience side effects such as dizziness. If symptoms are mild, continued observation may be sufficient. However, if dizziness is severe, switching to another medication under a doctor’s guidance may be necessary.
3. Anemia: A lower-than-normal number of red blood cells or hemoglobin levels can lead to inadequate oxygen and blood supply to the brain. Taking ornidazole capsules may worsen dizziness in such cases. This condition is often accompanied by pallor and fatigue. Doctors may recommend ferrous sulfate tablets, folic acid tablets, vitamin B12 supplements, and increased intake of iron- and protein-rich foods.
4. Hypotension: Blood pressure below the normal range can impair cerebral perfusion, potentially triggering or worsening dizziness after taking ornidazole. Symptoms may include blurred vision, palpitations, etc. Under medical guidance, midodrine hydrochloride tablets, Shengmai Yin oral liquid, or Yiqi Yangxue oral liquid may be used. Additionally, increasing salt intake moderately and avoiding sudden changes in posture are recommended.
5. Insufficient cerebral blood supply: Narrowing or blockage of cerebral blood vessels leads to inadequate blood flow to the brain. Taking ornidazole may exacerbate cerebral ischemia and hypoxia, resulting in dizziness. This may be accompanied by headache and limb numbness. As directed by a physician, aspirin enteric-coated tablets, nimodipine tablets, or ginkgo leaf tablets may be taken, along with proper management of blood pressure, glucose, and lipid levels.
In daily life, it is essential to strictly follow medical advice when taking ornidazole capsules. Adequate rest should be ensured during treatment, and physical exertion should be avoided. If discomfort such as dizziness occurs, promptly inform your doctor.
